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5-8

FRX4000/FRX6000 4.0 User Guide, Rev 01

To configure an RLP, LIC, or protocol, press

[B]

at the RLP Configuration Menu.

When prompted, enter the RLP number:

0–7

. (

RLP numbers

are determined by switch

settings on the cards—see Figure 5-4.) When an FRX6000 is shipped from Cabletron,
any installed RLPs are configured to be numbered consecutively from right to left,
starting with

0

, when the unit is viewed from the rear.

Figure 5-4 FRX6000 RLP, LICs, and Cables

RLP

Switch

8

7

6

5

4

3

2

1

0

On

Off

*

Off

On

Off

On

On

On

1

On

On

Off

2

On

Off

On

3

On

Off

Off

4

Off

On

On

5

Off

On

Off

6

Off

Off

On

7

Off

Off

Off

LIC 1

RLP

On

Off

1

8

*

Switch 7 is Off for 8 MB RLP,
On for 4 MB RLP.

LIC 2

RLP Cable

3

1

2

3

0

T1 or E1
Converter

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Summary of Contents for Netlink FRX4000

Page 1: ...User Guide For Release 4 0 09 41 06 162 01 FRX6000 Frame Relay Access Products FRX 4000 TM FRX The Complete Networking SolutionTM ...

Page 2: ......

Page 3: ...ubstitute goods or services loss of use data or profits or business interruption however caused and on any theory of liability whether in contract strict liability or tort including negligence or oth erwise arising in any way out of the use of this software even if advised of the possibility of such damage Gateway Daemon GateD software Release 3 5 5 is maintained and developed by Cornell Universit...

Page 4: ...ue are links to other places in the manual This symbol points to an informational note relating to the text table or figure that immediately precedes or follows it This symbol and text identifies a cautionary note the content of which is more critical to heed than an informational note The following references to keyboard keys appear in the manual and or on the screen N is a reference to a key on ...

Page 5: ...ng Out 2 12 Rebooting 2 12 Shutting Down 2 12 What Next 2 12 Section II Configuration Chapter 3 Introduction to Database Configuration Database Setup Recommendations 3 1 Configuration Examples 3 2 Legacy Protocols over Frame Relay via Logical Ports 3 2 Frame Relay PVC Passthrough 3 3 LLC2 PUs over Frame Relay to AS 400 3 3 3x74s SDLC over Frame Relay to SNA Host 3 8 Producing a Configuration Repor...

Page 6: ...y Port Parameters 7 14 Configuring Frame Relay PVCs Across the Node 7 20 Frame Relay PVC Parameters 7 21 Configuring Frame Relay Backup Groups 7 22 Backup Group Parameters 7 23 Chapter 8 Configuring X 25 Introduction 8 1 Required Configuration 8 2 Configuring a Physical X 25 Port 8 2 Configuring Closed User Groups 8 4 Configuring a Network Trunk 8 5 Configuring a Dial Port 8 6 Physical X 25 Port P...

Page 7: ... Interactive Device Parameters 10 12 Chapter 11 Configuring BSC Batch Introduction 11 1 Configuring BSC Batch Port Records 11 2 BSC Batch Port Parameters 11 3 Configuring Subscriber IDs 11 8 Subscriber Parameters 11 9 Chapter 12 Configuring Async Ports Introduction 12 1 Configuring Async PAD Profiles 12 2 PAD Profile Parameters 12 2 Configuring Async PAD Login Parameters 12 6 PAD Login Parameters ...

Page 8: ...nfiguring Bridging Introduction 15 1 Required Configuration 15 2 Configuring Default Node Wide Bridging Parameters 15 3 Bridge Node Default Parameters 15 4 Configuring Bridge Filters 15 6 Configuring Filter Definitions 15 6 Configuring Bridge Filter Applications 15 10 Configuring Bridge Ports 15 12 Bridge Port Parameters 15 13 Chapter 16 Configuring SNMP Introduction 16 1 Configuring SNMP System D...

Page 9: ...rt Signals 19 6 Monitoring Traffic 19 7 Serial Ports 19 7 Monitoring LAN Traffic 19 17 Displaying Frame Relay Backup Status 19 19 Displaying SDLC PU Status 19 20 Displaying LLC2 Session Status 19 21 Bridge Status Displays 19 21 Bridge Port Status 19 21 Bridge Forwarding Table 19 23 IP Status Displays 19 24 IP Routing Table 19 24 ARP Table 19 25 IP Interfaces 19 25 IPX Status Displays 19 27 RIP Tab...

Page 10: ...A 2 Placing a Call from an Async Terminal A 2 Async PAD Service Signals A 3 Error Codes Sent to Async PAD Port A 5 Appendix B Cause and Diagnostic Codes Cause Codes B 1 Clearing Causes B 1 Reset Causes B 2 Restart Causes B 2 Diagnostic Codes B 2 X 25 Codes B 2 SNA Codes B 4 Codes Specific to Cabletron Frame Relay Access Devices B 4 Appendix C NetView Management Local NetView Access C 2 Supported C...

Page 11: ...LAN Card Configuration Screen 5 15 6 1 Physical Ports on FRX4000 6 1 6 2 Physical Ports on FRX6000 RLP 6 2 6 3 Default Configuration Screen for New Port 6 4 7 1 Frame Relay Backup Examples 7 3 7 2 Bandwidth Allocation Group Menu 7 7 7 3 Frame Relay Port Screen 1 7 9 7 4 Frame Relay Port Screen 2 7 10 7 5 DLCI Configuration Review Screen 7 10 7 6 Frame Relay DLCI Configuration Screen 1 7 12 7 7 Fra...

Page 12: ... 11 1 BSC Batch Port Record 11 2 11 2 BSC Batch Port Record Screen 3 11 3 11 3 Typical SVC Subscriber Screen 11 8 12 1 Async PAD Login Parameters Screen 12 7 12 2 Async PAD Port Screen 12 8 12 3 Typical SVC Subscriber Screen 12 15 12 4 Async to X 25 PVC Record 12 18 13 1 IP Node Defaults Menu 13 4 13 2 IP Interface Record Frame Relay Example 13 6 13 3 LAN IP Interface Secondary Address Configurati...

Page 13: ...17 19 9 LAN Capture Display 19 18 19 10 SDLC PU Status Display 19 20 19 11 Bridge Port Status Display 19 21 19 12 Bridge Forwarding Table Display 19 23 20 1 RLP Statistics Display 20 1 20 2 RLP Statistics Configuration Menu 20 2 20 3 Port Statistics Display 20 3 20 4 Port Statistics Configuration Menu 20 4 20 5 Frame level Statistics Display 20 5 20 6 Frame Relay Utilization Statistics Display 20 ...

Page 14: ... 5 Frame Relay PVC Parameters 7 21 7 6 Frame Relay Backup Group Parameters 7 23 8 1 Physical X 25 Port Parameters 8 6 8 2 X 25 Port CUG Parameters 8 12 8 3 X 25 Port Dial Parameters 8 13 8 4 Logical Port Parameters 8 15 8 5 Logical Port CUG Parameters 8 16 8 6 Subscriber Parameters 8 25 8 7 Translation Template Parameters 8 30 8 8 X 25 PVC Parameters 8 34 9 1 SNA Port Parameters 9 6 9 2 SNA Port P...

Page 15: ...meters 14 7 14 6 IPX Filter Applications Parameters 14 9 14 7 IPX Frame Relay Interface Parameters 14 10 14 8 IPX X 25 Interface Parameters 14 11 14 9 IPX LAN Interface Parameters 14 12 14 10 IPX RIP Static Route Parameters 14 17 14 11 IPX SAP Static Route Parameters 14 18 15 1 Bridge Node Default Parameters 15 4 15 2 Bridge Generic Filter Parameters 15 8 15 3 Bridge MAC Filter Parameters 15 8 15 ...

Page 16: ...xiv FRX4000 FRX6000 4 0 User Guide Rev 01 ...

Page 17: ...Section I Getting Started ...

Page 18: ......

Page 19: ...o includes the SmartSwitch 1800 and Frame Relay Module for SmartSwitch 9000 These products are documented in separate manuals Figure 1 1 Network Example FRX4000 and FRX6000 are generally used to provide concentration and access to remote devices FRX4000 is a stand alone device used where eight serial interfaces or fewer are required FRX6000 is a larger stand alone device supporting up to sixty fou...

Page 20: ... applications Multiprotocol Support The FRX4000 and FRX6000 support these protocols Frame Relay X 25 SNA SDLC SNA LLC2 Bridging IP IPX BSC Async Each FRX4000 includes frame relay SDLC and SNMP plus whatever additional protocols were purchased with the device The software for all of the listed protocols is included with every FRX6000 Management Functions The FRX4000 and FRX6000 support the same man...

Page 21: ...ls that were purchased with the device LAN Interfaces The Ethernet model of the FRX4000 contains an Ethernet interface provided in RJ 45 for twisted pair and 15 pin D AUI for Thicknet configurations The Ethernet cable and if AUI the tranceiver must be provided by the customer The Token Ring model of FRX4000 contains a Token Ring interface provided in RJ 45 for unshielded twisted pair and 9 pin D f...

Page 22: ...ink into one physical logical port on an RLP and out another port counts as two terminations Each RLP supports up to two serial Line Interface Cards LICs The base model of FRX6000 contains two RLPs with one LIC The RLP without LICs is provided to maximize the number of protocols that can be loaded in the node some protocols are loaded onto one RLP but shared by all others in a node Other available...

Page 23: ...onnected keyboard and monitor Once the node has been installed and configured it can function with no operator interface However configuration file copy backup restore transfer etc and monitoring operations require a keyboard and screen which can be in any of several forms Each FRX6000 is shipped with cabling to support connection to an ASCII terminal or a PC ...

Page 24: ......

Page 25: ...tion II A list of tables can be found in the Table of Contents Many param eters can be left at the default settings but some must be reconfigured to match your specific needs 3 Fill in Table 2 1 on page 2 2 for FRX4000 or Table 2 2 on page 2 4 for FRX6000 to identify the physical interface protocol and connected device on each physical port You will need more information when configuring database ...

Page 26: ...l DTE male connector or DCE female connector Add a T or C to the interface type to record this information This does not apply to a DSU or LAN port 2 The protocols that can be assigned to ports depend on the model of FRX4000 and the options that were purchased All possible protocols are listed below Ports 0 7 CSU DSU Frame relay X 25 SDLC BSC Interactive BSC Batch Async LAN Port IP IPX Bridge LLC2...

Page 27: ...th RLP 0 right to left as viewed from the rear of the FRX6000 Figure 2 2 Physical Ports on an FRX6000 RLP The above example shows LIC 1 as V 35 RS 232 or RS 422 and LIC 2 as T1 or E1 The ports supported by each LIC type are LIC Type LIC 1 LIC 2 V 35 Ports 0 3 Ports 4 7 RS 232 Ports 0 3 Ports 4 7 RS 422 Ports 0 3 Ports 4 7 T1 Port 0 Port 4 E1 Port 0 Port 4 RLP LIC 1 RLP Cable I O Cables to Modems a...

Page 28: ...sts all possible physical ports on the FRX6000 Table 2 2 FRX6000 Port Assignments Card Port Interface 1 Protocol 2 Connected Device RLP 0 0 1 2 3 4 5 6 7 RLP 1 0 1 2 3 4 5 6 7 RLP 2 0 1 2 3 4 5 6 7 RLP 3 0 1 2 3 4 5 6 7 RLP 4 0 1 2 3 continued on next page ...

Page 29: ... information 2 All possible protocols are listed below Ports 0 7 Frame relay X 25 SDLC BSCI Interactive BSCB Batch Async LAN Ports IP IPX Bridge LLC2 Note that LAN protocols IP IPX Bridge LLC2 are also assigned to physical frame relay ports via interface records that map the protocols to the physical ports 3 If there is only one LAN card it will always be card 0 RLP4 4 contd 5 6 7 RLP 5 0 1 2 3 4 ...

Page 30: ...directly connected node in which case the ID will be the Node Name configured in the Node Defaults file described in Chapter 4 If an operator takes Remote Control of another node described on page 18 1 Node Name will become the Remote Control ID configured in Node Defaults on the controlled node Any configuration or control operations will affect that node rather than the local one If the controll...

Page 31: ...wn then rebooted the existingBOOTRPT TXT file will be renamed BOOTBAK TXT and a new BOOTRPT TXT will be created BOOTRPT TXT and BOOTBAK TXT can be used as follows 1 Display and review the data from the current boot of the device 2 Address any reported problems 3 Re boot the device This copies the previous boot data to a backup file 4 Display the new boot data and compare it to the previous data Th...

Page 32: ...ally display a list of options To make a selection press either the function key shown preceding the desired option or the character preceding the desired menu item The list of options varies depending on what menu is displayed most of the options are described below Function key equivalents on an async ter minal keypad are listed on page 2 10 F1 Select Another Record or Redisplay Refresh Next Rec...

Page 33: ...s You cannot copy a physical port s record to a logical port or vice versa F6 Move Record copies a Port record s database values to another port s record then deletes the original record After you perform this operation the moved to record will be displayed with the new database values The original record is automatically saved Press F7 to update the system memory values You cannot move a physical...

Page 34: ...ant to change then type in the new information and press Enter PgUp PgDn allows you to display multiple screens one at a time for a record if the record has more than one Function Keys on an ASCII Terminal Standard PC keyboard function keys are represented as follows on an ASCII terminal keyboard Note that O under Maps to is an escape character followed by an uppercase letter O PC ASCII Keyboard K...

Page 35: ... change or leave the time in the same way as the date Changing the Login Password The login password is used to gain access to menu operations When software is shipped to the customer the password is NETLINK Note the upper case all pass words are case sensitive To change the password press A at the Node Configuration Menu or A A A from the Main Menu When prompted 1 Enter the old password 2 Enter t...

Page 36: ...in Menu Rebooting To reboot from within the menu level press F10 When asked Reboot press Y You cannot reboot the device from the initial Port Status Display You must first press F1 and enter the password to get to the Main Menu Rebooting the device clears all connections If you do not want to do this simply press F4 to log out then leave the device running Shutting Down To shut down an FRX4000 or ...

Page 37: ...Section II Configuration ...

Page 38: ......

Page 39: ... in remote control file transfer or alarm reporting operations Also each device will most likely differ in which ports will run which protocols and what the physical interfaces on those ports will be Before proceeding with your configuration you should be aware of all the parameters that must be or can be specified You should first note the default values since many may be correct as is Tables of ...

Page 40: ...t contains the port Physical Port Chapter 6 plus Chapter 7 Frame Relay Chapter 8 X 25 Chapter 9 SNA Chapter 10 BSCI and Chapter 12 Async Logical Port Chapter 8 on the physical frame relay port that connects to the network Note that logical ports are numbered 8 63 because 0 7 are the physical ports SVC Subscriber Chapter 7 Frame Relay Chapter 8 X 25 Chapter 9 SNA Chapter 10 BSCI and Chapter 12 Asyn...

Page 41: ...record Make sure each DLCI is supported on the attached device LLC2 PUs over Frame Relay to AS 400 Figure 3 3 Configuration Example 3 Configure the following in the local FRX4000 6000 RLP parameters Chapter 5 to configure the RLP s that contain the ports over which the protocols will run Configure frame relay on the RLP containing the port to the network If LLC2 is not already configured in the FR...

Page 42: ... Chapter 9 which defines an interface to the Ethernet LAN For this example assume the interface number is 0 It can be 0 95 but as with the hosts identification can be easier if the interface on the LAN side has the same number as the LAN card number Frame relay terminated LLC2 Interface Chapter 9 which defines an LLC2 ter mination point at the frame relay interface Be sure to configure the format ...

Page 43: ... This is the Remote Subscriber ID of Host 2 Remote Subscriber 1010 This is the Local Subscriber ID of Host 2 Type LLC2 LLC2 Host 2 Host MAC Address 4000000000470 This is the AS 400 targeted address and is the same as the Host MAC Address configured on Host 0 Session Type Terminated This host will terminate the frame relay LLC2 session to the above MAC address Routing Subscriber ID 101 This ID must...

Page 44: ...h the LAN ID on the corresponding termi nated interface Be aware that when configuring these records LAN IDs must be entered in hex Also note that other than the matching IDs on each originated terminated interface pair each LAN ID must be unique within the network on which the FRX4000 6000 will operate LLC2 Function Internally LLC2 connects to interfaces via the Bridge protocol LLC2 Host and Inte...

Page 45: ...X4000 6000 to link records e g SDLC PU record to LLC host record unless the device is running X 25 SDLC LLC2 primary the FRX4000 6000 would be SDLC secondary to the FEP or logical ports i e QLLC in which case the subscriber IDs correlate to the static routes defined in the subscriber routing tables PU1 Devices PU1 devices can not be defined as Token Ring attached to the AS 400 AS 400 pro grammers ...

Page 46: ...ined in this record under SNA PU Parameters These parameters act as both LLC2 Originated Host and Originated Interface records Terminated LLC2 Host Chapter 9 which points to the frame relay interface Note that the remote FRX4000 6000 must have an Originated LLC2 Host Terminated LLC2 Interface Chapter 9 which defines an LLC2 termination point at the frame relay interface Note that the remote FRX400...

Page 47: ...inated LLC Host records always make the calls Originated LLC Host records always expect to receive calls Only one Originated and one Terminated LLC Host record can be configured for each MAC address RFC1490 Format An RFC1490 format used for SNA traffic is configured in the frame relay LLC2 Interface Bridge Port record The options in order of lowest overhead to highest overhead are Native LLC2 also...

Page 48: ... are the chapters appendices in this manual where the items below those entries are described Following most items in the lower tiers are descriptions of the associated database records A Configuration A Configure Node A Configure Password Chapter 2 allows changing the default login password B Configure Time and Date Chapter 2 allows setting a correct time date that will be displayed on some scree...

Page 49: ...ns Chapter 14 displays information on any IPX filter applications see below configured on the FRX4000 6000 D Configure IPX Filter Applications Chapter 14 applies IPX filters to interfaces filter types directions E On Line Update IPX Filter Definitions and Applications Chapter 14 allows updating the FRX4000 6000 with any changes without rebooting F Review Bridge Filter Definitions Chapter 15 displa...

Page 50: ... templates that are applied to incoming and outgoing call packets for the purpose of translating selected fields of a packet that may not otherwise be in a compatible format A Review X 25 Address Translation Templates B Configure X 25 Address Translation Templates C Test X 25 Address Translation Templates D Configure Logical Ports Chapter 8 specifies operating parameters for logical ports residing...

Page 51: ...can be used in place of the full addresses for async PAD subscribers E PVC Configuration Chapter 7 frame relay Chapter 8 X 25 Chapter 12 async displays specifies permanent connections between ports on an FRX4000 6000 A Review PVC Configuration B Configure PVCs F Review IP Routing Chapter 13 displays information on any IP routes see below configured in the FRX4000 6000 G Configure IP Routing Chapte...

Page 52: ......

Page 53: ... display among the three screens The first two screens contain parameters that apply to all users The third screen con tains parameters used in sessions between a NetView host and the NetView service point function in the FRX4000 6000 If the NetView function will not be used the third screen does not have to be configured Figure 4 1 Node Defaults Configuration Screen 1 A A C from Main Menu Node Na...

Page 54: ...ndary Output ID can be addresses or FRX6000 only serial parallel ports If a serial port is specified no associated password Pwd entry will be displayed for the ID Instead a group of oper ating parameters listed in Table 4 1 for the port will be displayed Database and System Memory Values Two sets of values exist for Node Defaults parameters Database values exist in the software and are recorded as...

Page 55: ... being controlled by the local keyboard and monitor If the local operator is controlling a remote FRX4000 Table 4 1 Node Defaults Parameters Parameter Valid Values Default Value Node Name up to 8 characters none Remote Control ID 0 15 digits none Remote Control Pwd 0 15 characters 1 remote File Transfer ID 0 15 digits none File Transfer Pwd 0 15 characters 1 ftran Collecting Node ID 0 15 digits no...

Page 56: ... is a password used in conjunction with the File Transfer ID Both the File Transfer ID and the File Transfer Pwd must match what is expected or the FRX4000 6000 will not accept a request for file transfer Collecting Node ID is defined on a collecting node described later for use by other Cabletron frame relay access devices that send their alarms to that collecting node This same ID must be config...

Page 57: ...its per second through the COM port A 110 bps B 150 bps C 300 bps D 600 bps E 1200 bps F 2400 bps G 4800 bps H 9600 bps Com Port Parity sets the parity bit which is used to detect changes in bit structure of the data from origin to destination 0 None 1 Odd 3 Even Com Port Stopbit sets 1 or 2 stopbits which signal the end of a character Bits per Character sets the bit value at 7 or 8 per character ...

Page 58: ...eared The Periodic Status Timer determines the frequency with which routine status messages for this FRX4000 6000 will be sent On a reporting non collecting node it is generally preferable to set the Line Idle Timer to a period longer than the Periodic Status Timer to give the system a chance to update itself The timer is usually set to 0 on a collecting node The Line Idle Timer is also affected b...

Page 59: ...s Remote Subscriber ID is a subscriber address for the remote end of an LLC2 session established for a NetView connection An LLC2 Host record described on page 9 18 must be created with Session Type Originated Local Subscriber ID the Remote Subscriber ID spec ified here in the NetView parameters andRemote Subscriber ID the Local Subscriber ID specified in the NetView parameters Maximum Bytes per F...

Page 60: ... to indicate that the device should be polled for an XID T1 is the Reply Timer which is used to detect the failure to receive a required acknowl edgment or response from the remote link station The link station will start the timer when it transmits one of these an Information LPDU LLC protocol data unit a Command LPDU with the P bit set to B 1 If this LPDU is sent while the timer is already runni...

Page 61: ...Recovery then proceeds as described under T1 N3 is the number of Information LPDUs that will be received before sending an acknowl edgment This parameter is used in conjunction with T2 to allow stations to reduce traffic A counter is initialized to N3 and will be decremented by one each time a valid sequential Information LPDU is received When the counter reaches 0 an acknowl edgment is sent N3 is...

Page 62: ...em will be displayed at the bottom of both screens if a parallel P port is specified and the card containing the port is installed but the device at the other end is not Note that this will not be determined by the software until the first alarm is sent to the parallel port Primary Secondary C P n NOT Initialized will be displayed at the bottom of all both screens if a serial or parallel port is s...

Page 63: ...ocols and LIC The Protocol Configuration screens contain this information for an FRX4000 Amount of DRAM memory installed Type of Line Interface Card The serial expansion card in an FRX4000 is iden tical to the FRX6000 Line Interface Card Configured and loaded protocols A newly added protocol is displayed as Con figured until the node is rebooted at which time the protocol will be displayed as Load...

Page 64: ...rom Main Menu RLP Status RLP Type and Line Interface Card 1 will always be as shown above Line Interface Card 2 will be read from the installed card if present The line Configure T1 E1 LIC 1 or 2 is displayed if either Line Interface Card is T1 or E1 Ports 4 7 are on optional expansion module Optional CSU DSU Port LAN Port WAN 4 WAN 5 WAN 6 WAN 7 WAN 0 WAN 1 WAN 2 WAN 3 Console Port Node Name node...

Page 65: ...ync SDLC BSC I BSC B IP SNMP RIP LLC2 IPX NVSP NetView Service Point BRIDGE 1 next in list not already configured T1 LIC Parameters Line Coding B8ZS AMI B8ZS Framing ESF D4 ESF Line Service Full Fractional Full Line Build Out see footnote 2 0 133 ft 0 dB Clocking Master Slave Slave Base Chl Speed 56K 64K 64K Starting Chl Number If Line Service Fractional 1 24 If Line Service Full n a 1 only if Lin...

Page 66: ...only if IP is already specified If SNMP is configured IP must also be configured If LLC2 is configured BRIDGE must also be configured If NVSP is configured LLC2 and BRIDGE must also be configured With the exception of X 25 protocols must be configured in the Protocol file before they can be configured on ports T1 LIC Parameters Line Coding specifies the physical line encoding technique used to car...

Page 67: ...ing technique used to carry clock signals Framing is the frame format G 704 is a CEPT standard with a set value Line Service determines whether full or channelized T 1 will be run over the LIC port Line Build Out relates to the distance from the FRX4000 to the external E1 device G 703 is a CEPT standard with a set value Clocking determines whether clock will be generated by the E1 port Master or t...

Page 68: ...1 which is transmitted as the most significant bit of the non frame alignment signal when CRC 4 is disabled CAS X1 2 3 Bit determines whether spare bits X1 X2 and or X3 will be used CAS A B C D Bit determines whether signaling bits A B C and or D will be used in timeslot 16 when Chnl Channel Signaling is Associated LAN Port Each FRX4000 contains a LAN port either Ethernet or Token Ring depending o...

Page 69: ... added protocol is displayed as Con figured until the node is rebooted at which time the protocol will be displayed as Loaded To access the RLP screens press A then B from the Main Menu To display a list of installed RLPs interface cards and protocols press A at the RLP Configuration Menu If an RLP is displayed as Configured a database record exists for the RLP but the card does not physically exi...

Page 70: ...ipped from Cabletron any installed RLPs are configured to be numbered consecutively from right to left starting with 0 when the unit is viewed from the rear Figure 5 4 FRX6000 RLP LICs and Cables RLP Switch 8 7 6 5 4 3 2 1 0 On Off Off On Off On On On 1 On On Off 2 On Off On 3 On Off Off 4 Off On On 5 Off On Off 6 Off Off On 7 Off Off Off LIC 1 RLP On Off 1 8 Switch 7 is Off for 8 MB RLP On for 4 ...

Page 71: ... changes have been made press F3 to save the changes then reboot the 9W004 as follows Rebooting will clear all connections on this device However the device must be rebooted to implement the change 1 Press F10 2 When asked Reboot the Node press Y 3 Type restart Enter Node Name nodexyz RLP Configuration RLP 1 Status Installed Memory Configuration 8 Meg RLP Type RLP B Line Interface Card 1 V 35 C Li...

Page 72: ... configured among the ones that will fit 2 T1 LIC Parameters Line Coding B8ZS AMI B8ZS Framing ESF D4 ESF Line Service Full Fractional Full Line Build Out see footnote 3 0 133 ft 0 dB Clocking Master Slave Slave Base Chl Speed 56K 64K 64K Starting Chl Number If Line Service Fractional 1 24 If Line Service Full n a 1 only if Line Ser vice Fractional Num of Chnls If Line Service Fractional 1 24 If L...

Page 73: ...available choices will be those protocols not already specified that will fit on the RLP If you create a new record later for a new RLP X 25 will be the only available choice for Protocol 1 Neither CONFIG nor RIP can be configured on a 4MB RLP When configuring protocols follow these guidelines All supported protocols will fit on one 8MB RLP however as an entire database interfaces subscribers rout...

Page 74: ...that supplies the line Clocking determines whether clock will be generated by the T1 port Master or the remote device Slave Base Chl Speed determines the line speed over each channel Starting Chl Number determines the lowest channel number that will be used Num of Chnls is the number of channels that will be used on the T1 line E1 Parameters Line Coding is the line coding technique used to carry c...

Page 75: ...nal National use bits are reserved for use within a country If the signal will cross an international border the national use bits should be Off IntNtnl Use Bit 0 is the setting of international use bit 0 which is transmitted as the most significant bit of the frame alignment signal when CRC 4 is disabled IntNtnl Use Bit 1 is the setting of international use bit 1 which is transmitted as the most ...

Page 76: ...nd the LAN configuration part of CONFIG SYS To configure a record for a LAN card in an FRX6000 press B at the Port Configu ration Menu Unlike serial ports there are not separate files for the cards and the ports When prompted for an Interface Number type 0 Enter or 1 Enter whichever number corresponds to the card as defined in PROTOCOL INI Table 5 4 LAN Card Identification in FRX6000 LAN Card 0 LA...

Page 77: ...performing this operation LAN Card Parameters 1 Must match the installed card that corresponds to the specified Interface Number Type is the type of LAN card Locally Admin MAC Addr is a MAC address that will override the universally administered MAC address If all zeros are specified the universal address will be used Under most circumstances this parameter should be left at the default setting Ta...

Page 78: ......

Page 79: ...eside on the system board An optional expansion card offers one or four more ports depending on the type of card Figure 6 1 Physical Ports on FRX4000 The physical interfaces are as follows Ports 0 and 1 are RS 232 Ports 2 and 3 are determined by the attached Cabletron cables RS 232 V 35 RS 449 or X 21 Ports 4 7 are determined by the expansion card Line Interface Card and attached I O cables The RL...

Page 80: ...supports ports 0 3 and LIC 2 supports ports 4 7 Figure 6 2 Physical Ports on FRX6000 RLP The above figure shows an example of two four port LICs A T1 or E1 LIC provides one port The ports supported by each LIC type are LIC Type LIC 1 LIC 2 RS 232 Ports 0 3 Ports 4 7 RS 422 Ports 0 3 Ports 4 7 V 35 Ports 0 3 Ports 4 7 T1 Port 0 Port 4 E1 Port 0 Port 4 RLP LIC 1 I O Box RLP Cables I O Cables to Mode...

Page 81: ... not require disabling the link Pressing N will return you to the next higher screen Configuring a Physical Port Before configuring a physical port make sure that the following have been properly configured Node parameters See Chapter 4 This is general configuration that must be done no matter which protocols will be run in the node RLP that contains the port plus Line Interface Card that supports...

Page 82: ...rt with the parameter values neccessary for your application go to the appropriate chapter Frame relay Chapter 7 X 25 Chapter 8 SNA Chapter 9 BSCI Chapter 10 BSCB Chapter 11 Async Chapter 12 If configuring a physical port that will contain logical ports configure the physical port as described in the appropriate chapter in the above list then follow the procedure under Configuring Logical X 25 Por...

Page 83: ...or HDLC IP IPX over frame relay Line speeds up to 2 048 Mbps LMI Annex D link management Annex F segmentation and re assembly Bandwidth allocation Connection prioritization Incoming and outgoing rate control CIR Virtual circuit backup for single or multiple PVCs DLCIs including bandwidth allocation on backup circuits A frame relay port can contain multiple logical ports or channels Port Type Maxim...

Page 84: ...k if it dis covers that the primary link is down A node can be the initiating node for some backup configurations and the remote node for others Any sessions in progress when a primary DLCI goes down will not be transferred directly to the backup DLCI but will be reset then established on the backup DLCIs used for backup on the initiating node are assigned to backup groups each of which can contai...

Page 85: ... Then if the primary link goes down a con nection will automatically be established between Node 1 Port 0 DLCI 17 and Node 2 RLP 0 Port 4 DLCI 17 On Node 1 configure the following as well as other parameters necessary for oper ation this section deals only with the frame relay backup function 1 Port Configuration A C A from Main Menu for the primary RLP 0 RLP Port 2 O Additional Parameters D Confi...

Page 86: ...n range 0 65535 however the setting should be reasonably greater than the Switchover Timer on the primary RLP 0 Port 0 DLCI 17 being backed up F ProtEnab Y On Node 2 configure the following as well as other parameters necessary for oper ation 1 Port Configuration A C A from Main Menu for the primary RLP 0 RLP Port 0 O Additional Parameters D Configure DLCI Parameters DLCI ID 18 I DLCI Backup Confi...

Page 87: ... or FRX6000 make sure the following are properly configured Node parameters which is general configuration that must be done no matter which protocols will be run in the node See Chapter 4 RLPs that will contain the interface s to the user device s network and or frame relay PVC plus Line Interface Card s supporting the ports that will be the interfaces See Chapter 5 Loaded Protocol s frame relay ...

Page 88: ...plied only when a line s available bandwidth is limited i e packets must be queued before transmission Also note that bandwidth allocation is not applied in a frame relay passthrough configuration frame relay PVCs into and out of the FRX node internal PVC between the two frame relay ports Although the FRX4000 and FRX6000 support bandwidth allocation routers and FRADs that initiate frame relay pass...

Page 89: ...f traffic and 100 to another few groups and so on Since usage obvi ously cannot exceed 100 any allocation of greater than 100 will be treated as 100 with the percentages assigned to the affected groups treated as relative per centages For example assume that Group 1 is assigned 60 and Group 2 70 and Table 7 1 Bandwidth Allocation Group Parameters Parameter Valid Values Default Value Dynamic Optimi...

Page 90: ...ere is an example of a typical Bandwidth Allocation Group configuration This configuration ensures that SNA traffic which is very time sensitive will be given top priority and will all be transmitted within the guaranteed 30 of the band width eliminating the risk of discarded packets Sequenced arrival of packets is not critical among the first three groups so those types of traffic can be configur...

Page 91: ...me relay port On an FRX4000 withPhysicalPortInterface itemB configuredasDSU itemsGandHwillbe different After making any changes be sure to press F7 to update the system memory Otherwise the changes will not take effect until the next re boot of the FRX4000 6000 Pressing O will display a screen similar to the following Node Name node_xyz Frame Relay Port Parameters screen 1 of 2 RLP 0 Port 0 Link S...

Page 92: ...n Node Name node_xyz Frame Relay Port Parameters screen 2 of 2 RLP 0 Port 0 Link State Linkup I O V 35 Database System Memory A Enable Outgoing Rate Control Y Y B Enable Bandwidth Allocation Y Y C Review DLCI Configuration D Configure DLCI Parameters E View Learned DLCIs F For Backup Use Only N N G Automatic DCE N N Option Node Name node_xyz RLP Port DLCI ICIR IBC IBE OCIR OBC OBE BECN Pri Proto P...

Page 93: ...rameters in the first line are RLP Port DLCI are self explanatory ICIR Committed Information Rate In IBC Committed Burst Size In IBE Excess Burst Size In OCIR Committed Information Rate Out OBC Committed Burst Size Out OBE Excess Burst Size Out BECN BECN Recovery Count Pri Outgoing DLCI Priority Proto Enable BackupProtocol The parameters in the second line are Grp Backup Group Number RRLP Remote R...

Page 94: ...nceuntilthenodeisrebooted IftheDLCIwas created when configuring an IP IPX or LLC2 interface it will remain until that interface is deleted and the node is rebooted If a primary DLCI is brought down then deleted from the database while the backup is operational end to end connec tivity over the backup will fail For this reason a primary DLCI should never be deleted If there is a need to delete the ...

Page 95: ...ical DTE a list of all DLCIs extracted from LMI AnnexD frames can be displayed by pressing E at Figure 7 4 Each displayed DLCI will be followed by three columns A N and C with the following possible values A a active i inactive N n new o old A newly learned DLCI will become old after the first Full Status Inquiry C c configured via the DLCI configuration screen l learned through some other means e...

Page 96: ...uld be greater than or equal to N2 9 If Link Layer Management is none this parameter is irrelevant If Link Layer Man agement is changed to none from some other value the default for N2 will be left as it was before the change 10 T2 should be greater than or equal to T1 11 This parameter is relevant only if Logical DCE is Y Table 7 3 Frame Relay Port Parameters Parameter Valid Values Default Value ...

Page 97: ...ured as any WAN protocol loaded in the device An FRX6000 port can be configured as any WAN protocol configured on this port s RLP Protocol configuration is described in Chapter 5 Physical Port Interface must be configured as follows For reference port locations are shown on page 6 1 FRX4000 and page 6 2 FRX6000 FRX4000 port 0 is always RS 232 FRX4000 port 1 is RS 232 or DSU depending on whether th...

Page 98: ...attached I O cable is DCE If this port is a physical DTE specify the line speed that matches as closely as possible that of the device connected directly to the port Selecting this parameter for an FRX4000 DSU port will toggle between the two valid values of 56K bps and 64K Clear Channel This parameter cannot be selected on a T1 or E1 port rather the line speed is deter mined by the port type and ...

Page 99: ...the remote DTE is configured to provide the terminal timing CSU DSU Operating Mode determines whether the attached modem connection can be normal or limited distance LDM where the distance depends on the wire gauge number of splice points and line speed For example 26 gauge wire and a line speed of 64K bps allows a distance of 15000 feet Lowering the speed to 56K increases the allowable distance t...

Page 100: ...ackups for other DLCIs in the same node See Configuring Frame Relay Backup Groups on page 7 22 If this parameter is set to Y the port will remain disabled until needed for backup If configuring the port for backup use only make sure no DLCIs on the port have been configured on an IP IPX or LLC2 interface Automatic DCE enables if Y automatic detection by the software of whether the port is a physic...

Page 101: ...ive burst size will continue to increase until it reaches the full configured value Any time a BECN is received however the effective value will return to the value of the outgoing BC Outgoing DLCI Priority sets a priority for this DLCI among others over the physical port Note that 4 is the highest priority Backup Group Number specifies if configured as any number other than 0 that this is a prima...

Page 102: ... while waiting for a backup DLCI to become active If neither a backup nor the primary has not become active when this timer expires the data will be discarded Configuring Frame Relay PVCs Across the Node An FRX4000 or FRX6000 PVC is a permanent connection between two physical ports in a node This allows communication between the attached devices as soon as they are powered up without the need to f...

Page 103: ...cal interfaces that use a physical frame relay port The device processor in the node uses these priorities to help determine the order in which it will process protocols Table 7 5 Frame Relay PVC Parameters Parameter Valid Values Default Value Connection Priority 0 9 0 Primary Secondary Name 0 31 characters none Primary Secondary DLCI 16 991 1 16 Primary Secondary RLP FRX6000 only 0 7 0 Primary Se...

Page 104: ...can act as a backup for one or more primary DLCIs If a node detects a failure in a primary DLCI connection the software will search the backup group configured for the primary DLCI and will select the first available DLCI in that group as a backup The backup will become operational and will remain in that state until the primary becomes active again If the backup fails while in use the software wi...

Page 105: ... does not become active before the timer expires the software will search the backup group for the next available backup ProtEnab enables if Y the backup protocol on the specified DLCI It should be set to Y if and only if the remote device is an FRX4000 6000 with the backup protocol enabled on the remote DLCI connected to this backup group entry The remote node must be the same one to which the pr...

Page 106: ...7 24 FRX4000 FRX6000 4 0 User Guide Rev 01 ...

Page 107: ... can contain up to 30 channels The FRX4000 6000 also supports logical X 25 ports which allow multiple legacy protocols SDLC async bisync etc to be encapsulated via X 25 and transmitted over a single physical frame relay port An FRX4000 6000 can contain up to 56 logical ports all on one physical port or spread over several physical ports Some things to know about logical ports are Encapsulation can...

Page 108: ...er and the FRX4000 6000 Before configuring a logical X 25 port make sure these are properly configured Protocol s that will be transmitted over the logical port See Chapter 5 Physical frame relay port on which the logical port will reside See Chapter 6 and Chapter 7 Configuring a Physical X 25 Port Once the necessary Node Chapter 4 RLP Chapter 5 and Protocol Chapter 5 parameters have been configur...

Page 109: ...ng Closed User Groups on page 8 4 If this will be one end of a network trunk press O See Configuring a Network Trunk on page 8 5 If this port will be connected to a dial modem press P See Configuring a Dial Port on page 8 6 If none of the above applies press F3 twice to return to X 25 Port screen 1 then perform the next desired operation You cannot configure a port to be both a Network trunk and a...

Page 110: ...X 25 Port CUG Parameters To configure a CUG press E and when prompted enter CUG Index 0 99 the default is 0 which is simply a reference to the CUG CUG number 1 16383 the default is 1 that will be associated with the index any other requested information See Table 8 2 To delete a CUG press F and enter the index of the CUG to be deleted Pressing G will display a list of all CUGs configured for this ...

Page 111: ...RLP 2 port 2 of the same port type press D or E and enter when prompted the port type first RLP and port and last RLP and port The screen will be re displayed with the Y N status changed for each affected port Adding or deleting a range has no affect on any port types within that range other than the type specified To add or delete a single port multiple ports that are not in sequence or multiple ...

Page 112: ...n Table 8 3 Table 8 1 Physical X 25 Port Parameters Parameter Valid Values Default Value Port Type X 25 X 25 Physical Port Interface see explanation see explanation Blocked Port Flag Y N N Line Speed see explanation FRX4000 56K 1 FRX6000 9600 1 Modulo 8 or 128 8 Maximum LAPB Window Size 1 7 or 1 127 2 7 N2 Retransmit Count 0 20 5 T1 Retransmit Period msec 2000 15000 2000 T2 Wait Ack Period msec 0 ...

Page 113: ...te Clock Y N Y Rcv Clock TT from DTE 3 Y N N CSU DSU Operating Mode Normal LDM Normal RTS Control Constant External Constant Lowest Highest Incoming Channel 0 4095 4 see explanation Lowest Highest Two Way Channel 0 4095 4 see explanation Lowest Highest Outgoing Channel 0 4095 4 see explanation Flow Control Negotiation Y N N Throughput Class Negotiation Y N N Local Charging Prevention Y N N Reverse...

Page 114: ...rt will remain in that state until this parameter is changed or an on line enable B B C from the Main Menu or disable B B A from the Main Menu is performed Line Speed is the data transmission rate in bits per second and the clock speed on a serial port when the port is a physical DCE i e the attached I O cable is DCE If this port is a physical DTE specify the line speed that matches as closely as ...

Page 115: ...ill attempt to send an I frame after a Retransmit Period expiration A larger value for this parameter increases the probability of an eventual correct transfer between DTE and DCE but a smaller value permits faster detection of a permanent error condition T1 Retransmit Period is the length of time before re transmission of an I frame if the previous transmission is not acknowledged If the period e...

Page 116: ... control RTS Lowest Highest Incoming Two Way Outgoing Channel are the ranges of logical channel numbers LCNs that subscribers can use for calls through this port The valid values for each parameter are determined as follows Channel Valid Values Lowest Incoming 1 through Highest Incoming Highest Incoming Greater than equal to Lowest Incoming Lowest 2 Way Greater than Highest Incoming Highest 2 Way ...

Page 117: ... to the collecting node of the link alarms 400 406 Link Enabled Link Disabled etc Maximum Packet Size is the maximum data packet size that will be allowed to pass through this port A packet size included in a call setup packet will be used as long as it is smaller than the maximum specified here Default Packet Size will be assigned to an incoming call setup packet if the packet does not request a ...

Page 118: ...t Retry Count is the number of times a Restart Request from the logical DTE will be transmitted The DTE will stop issuing the request on receipt of a Restart Confirmation or Restart Indication If the Restart Retry Count expires restart and recovery procedures should be initiated DTE Reset Retry Count is the number of times a Reset Request from the logical DTE will be transmitted The DTE will stop ...

Page 119: ... number to a remote modem to establish an X 25 connection A dial in port will establish a link only when a call is received If this port is configured as a network trunk the value for Dial Support must be None Inactivity Timer will be started as soon as there are no active connections on a dial port It has no function on a non dial port If no new connections are established before the period expir...

Page 120: ...g any changes be sure to press F7 to update the system memory Otherwise the changes will not take effect until the next re boot of the FRX4000 6000 There are four Logical Port screens Selecting the entry X 25 Logical Port Screen n at each of the first three screens will display the next screen and pressing F3 will display the previous screen Any menu items preceded by asterisks instead of letters ...

Page 121: ...iod msec 0 5000 1000 T3 Link Alive Period sec 1 60 5 Logical DCE Y N Y Lowest Highest Incoming Channel 0 4095 3 see explanation Lowest Highest Two Way Channel 0 4095 3 see explanation Lowest Highest Outgoing Channel 0 4095 3 see explanation Flow Control Negotiation Y N N Throughput Class Negotiation Y N N Local Charging Prevention Y N N Reverse Charge Acceptance Y N N Fast Select Acceptance Y N N ...

Page 122: ... same DLCI Also make sure this DLCI is not configured as a Frame Relay Backup DLCI or as part of an intra nodal frame relay PVC Blocked Port Flag causes the logical port to be disabled Y or enabled N only if the physical port is also enabled at node IPL The port will remain in that state until this parameter is changed or an on line enable B B C from the Main Menu or disable B B A from the Main Me...

Page 123: ... own X 25 virtual circuit and level 3 windows Modulo is the number of values used in X 25 level 2 sequenced packets The actual packet numbering is 0 7 for modulo 8 and 0 127 for modulo 128 Maximum LAPB Window Size is the maximum number of sequentially numbered I frames that can be waiting for acknowledgment by the next station in the path If this number is exceeded no frames will be transmitted un...

Page 124: ...any pair is not used its constraints apply to the next higher or lower pair whichever is appropriate in the above list Flow Control Negotiation is an optional X 25 facility that permits negotiation of the flow control parameters packet and window sizes for either direction of data transmission on a per call basis If N is selected the default packet and window sizes will be used If Y is selected a ...

Page 125: ...re either mul tiple logical ports or X 25 address translation described on page 8 27 which allows modification of facilities in Call Request packets Maximum Window Size is the maximum number of sequentially numbered I frames that can be waiting for acknowledgment by the end to end destination device If this number is exceeded no frames will be transmitted until an acknowledgment is received There ...

Page 126: ...art Retry Count expires restart and recovery procedures should be initiated DTE Reset Retry Count is the number of times a Reset Request from the logical DTE will be transmitted The DTE will stop issuing the request on receipt of a Reset Confirmation Reset Indication or Clear Request If the Reset Retry Count expires restart and recovery procedures should be initiated DTE Clear Retry Count is the n...

Page 127: ...G select this item and enter the index see Add Change CUG of the CUG to be deleted Display All CUGs Selecting this item will display a list of all configured CUGs Configuring Subscriber IDs This operation configures the called and calling addresses that will be used in call setup To complete the connection the software must recognize where the call is coming from calling address and where it is go...

Page 128: ... 6 Subscriber Addressing Subcriber IDs are the called and calling addresses that are placed in call packets Each Subscriber ID record also defines routing for calls to the subscriber Each subscriber ID or address consists of up to 15 digits including if desired question marks and or asterisks used as wildcards See Wildcards in Subscriber Addresses Subscribers using a public data network PDN must c...

Page 129: ...be combined The address 3110 is any address beginning with 3110 and containing at least two more digits The following figure shows an example of wildcard addressing Figure 8 7 Wildcard Addressing Example This configuration requires Port and Subscriber ID records in node 1 for Subscriber 00100 on RLP 0 Port 1 Subscriber 123 on RLP 1 Port 3 In node 2 RLP Port and Subscriber records must be configure...

Page 130: ... path process will calculate a loading factor based on the number of LCNs in use and the line speeds for each Call Request received The method is proprietary but is described generally here Ports and letter symbols in the example are Line Speed RLP 0 port 0 2400 bps RLP 1 port 0 4800 bps RLP 1 port 1 in failed state but is defined as a routing path RLP 1 port 2 9600 bps M The maximum bps of any op...

Page 131: ...ed and that both the RLP and port are configured in the database Subscriber Name identifies the subscriber to the console operator Routing Algorithm allows creation of a hunt group of ports see example on page 8 24 for the purpose of routing per a pre selected algorithm 0 Round Robin selects ports specified cyclicly in numerical order according to the list of Redirection Addresses If the selected ...

Page 132: ...ill redirect calls if Y according to the Redirection Addresses if the current sub scriber has no LCNs available Redirect on Out of Order will redirects calls if Y according to the Redirection Addresses if the if the current subscriber s port is out of order Connection Priority prioritizes this subscriber for intra nodal traffic the higher the number the higher the priority This priority has no eff...

Page 133: ...ith another type go elsewhere The translation template has two parts the template ID and the translation formula The Call Request packet can be modified using the translation formula to replace parts of it with characters specified by the formula and or with parts of the template ID Each port has two sets of translation templates associated with it one for incoming packets and one for outgoing pac...

Page 134: ...es these into the FRX4000 6000 com patible calling address for node 2 The backup routing is transparent To display existing translation templates press A at the X 25 Address Translation Templates Menu Figure 8 9 Address Translation Templates Display A C C A from Main Menu The data between lines is structured to match the headings at the top of the screen Primary route failed Node 1 Node 2 Backup r...

Page 135: ... address G is the letter G which precedes any calling address bbbbbbbbbbbbbb is up to 15 digits of calling address U is the letter U which precedes any user data and ddddddddddd is a user data field of up to 12 numeric characters The fields must match the equivalent fields in the Call Request packet but not neces sarily literally they can use wildcards Figure 8 10 Address Translation Template Scre...

Page 136: ... L Literal digits which means that the actual digits you enter here will replace that same number of digits in the specified field Type L followed with no spaces by the desired digits 0 9 For example typing L1234 Enter will replace four digits in the selected part of the field with the actual numbers 1234 X Called address The characters entered here are not necessarily the exact char acters of ori...

Page 137: ...data Note that the user data field is divided into four bytes of pro tocol identifier followed by twelve bytes of real user data the only part that can be changed here is the real user data The characters entered here are not the actual characters of user data but the characters digits or wildcards of the template ID that match the original user data that part not already translated Type U followe...

Page 138: ... in the template is X12345U12 A packet with called address 311012345678 and user data 99 is received The packet matches Template ID 3110 U therefore a translation occurs as follows User data 99 from the packet is appended to the called address 311012345678 The translated called address is 31101234567899 Testing a Translation Template Press C at the X 25 Address Translation Templates Menu A C C C f...

Page 139: ...the Main Menu To add or change an PVC press B at the PVC Configuration Menu and enter a 1 4 digit Connection ID which is simply a number unique to this connection that identifies the PVC Node Name nodexyz Packet Translation Test Port 0 Direction Incoming Original Packet 10010B7712345673333333000100000035353535 Called Address 1234567 Calling Address 3333333 User Data Protocol ID 01000000 User Data ...

Page 140: ...nnection Connection Priority prioritizes this connection for intra nodal traffic the higher the number the higher the priority This priority has no effect on traffic exiting a node Table 8 8 X 25 PVC Parameters Parameter Valid Values Default Value Connection Priority 0 9 0 Subscriber Name 0 31 characters none Logical Channel 1 255 1 1 RLP FRX4000 0 FRX6000 0 7 0 Port 0 7 0 Packet Size 128 4096 2 1...

Page 141: ...el is a logical link between the node and the subscriber The physical line may have a number of logical channels An LCN assigned to a port in a PVC must be lower than the lowest LCN specified for any SVC subscriber on the same port RLP identifies the RLP that contains the port specified for the next parameter Port specifies the port at each end of the PVC Packet Size allows setting a packet size f...

Page 142: ...8 36 FRX4000 FRX6000 4 0 User Guide Rev 01 ...

Page 143: ...ize Configurable link addresses Two way simultaneous transmission NRZ NRZI support Compatible with QLLC NPSI HPAD PU 2 1 4 0 TPAD PU 1 0 2 0 2 1 NPAD and XPAD transparent modes Point to point and multipoint configurations SDLC to LLC2 and LLC2 to SDLC conversion Autocall Request to Send RTS support LLC2 support includes Supports both ends of PU2 to PU2 PU2 1 to PU2 1 and PU4 to PU4 connec tions En...

Page 144: ...0 6000 includes the following scenarios some of which are diagrammed in Figure 9 1 on page 9 3 Connection between a LAN attached host workstation and SNA devices via SDLC to LLC2 and LLC2 to SDLC conversion over a frame relay or X 25 network example 1 or frame relay PVC example 4 Connection between LAN attached workstations over a frame relay or X 25 network example 2 or a frame relay PVC example ...

Page 145: ...ame relay port s and or X 25 port s that will connect to a network or frame relay PVC See Chapter 7 frame relay or Chapter 8 X 25 SNA port s page 9 4 that will connect to the user devices if the connection will be SDLC SNA HPADs and TPADs described later in this chapter which identify any SDLC devices that will communicate with SNA host and terminal devices LLC2 hosts page 9 18 and LLC2 interfaces...

Page 146: ...r both screens are listed in Table 9 1 on page 9 6 You must also define the PUs physical units that will communicate via the SNA port Once the Additional SNA Port Parameters are configured press F3 to return to Figure 9 2 then press P A to display a list of configured PUs or P B to configure a PU If configuring a PU enter when prompted an SDLC PU Station Address 01 FE hex This address identifies t...

Page 147: ...PAD If SDLC LLC2 conversion will be done on the PU connection specify Y for item J in Figure 9 3 then press K to configure the LLC2 parameters listed in Table 9 2 If the PU is not part of an SDLC LLC2 connection you do not have to configure those parameters Node Name nodexyz SDLC PU Subscriber Parameters screen 1 of 2 RLP 1 Port 0 Station Address C1 A PU Name name B Local Subscriber ID 11000101010...

Page 148: ...9 1 SNA Port Parameters Parameter Valid Values Default Value Port Type SNA not valid here Name up to 8 characters 1 none Physical Port Interface see explanation see explanation Blocked Port Flag Y N N Line Speed see explanation none No Data Poll Period ms 1 500 40 No Resp Poll Period ms 40 9999 2000 Maximum Retransmissions 0 99 5 Outstanding Frames 2 1 128 7 Generate Clock Y N Y Rcv Clock TT from ...

Page 149: ...figured as any WAN protocol loaded in the device An FRX6000 port can be configured as any WAN protocol configured on this port s RLP Protocol configuration is described in Chapter 5 Table 9 2 SNA Port PU Parameters Parameter Valid Values Default Value PU Name up to 10 characters none Local Subscriber ID 0 15 characters none Remote Subscriber ID 0 15 characters none Maxdata Max I Frm bytes frame 25...

Page 150: ...e an RS 422 LIC Blocked Port Flag will cause the port to be enabled N or disabled Y at node IPL The port will remain in that state until this parameter is changed or an on line enable B B C from the Main Menu or disable B B A from the Main Menu is performed Line Speed is the data transmission rate in bits per second and the clock speed on a serial port when the port is a physical DCE i e the attac...

Page 151: ... allows faster throughput Note that this parameter can be changed without disabling the link except if the existing value is within the range 0 7 and the new value is greater than 7 0 7 is modulus 8 or 128 anything greater is only modulus 128 Changing the modulus will disable the link Generate Clock specifies whether the port will generate the clock necessary to synchronize traffic over the link I...

Page 152: ...re 0 None 1 Version 1 and 2 Version 2 Idle Fill Character specifies a character that will be inserted into the stream when the SNA link is idle Inactivity Timer determines how long the FRX4000 6000 will wait with no activity on the HPAD port before it will declare the port down L1 Duplex determines level 1 signal operation on RS 232 ports If Full RTS CTS DCD are always high and are raised by the a...

Page 153: ...ed by Link Address becomes active If set to Y on an SNA port an X 25 call will be made from the local port to the remote subscriber port Autocall Retry Time is the time between autocall retries Autocall Retry Count is the maximum number of times an autocall will be sent Note that a value of 0 allows indefinite retries Istatus affects the line and PU the same way Blocked Port Flag affects the port ...

Page 154: ...set to 0 the Node field of the XID will be provided by the attached SDLC device The node will send an XID command to the remote node to indicate that the SDLC device should be polled for an XID T1 is the Reply Timer which is used to detect the failure to receive a required acknowl edgment or response from the remote link station The link station will start the timer when it transmits one of these ...

Page 155: ...l link station If the local station does not receive an LPDU before Ti expires the station must send an LPDU with the P bit set to B 1 to solicit the remote station s status Recovery then proceeds as described under T1 N3 is the number of Information LPDUs that will be received before sending an acknowl edgment This parameter is used in conjunction with T2 to allow stations to reduce traffic A cou...

Page 156: ...rt To complete the connection the software must recognize where the call is coming from calling address and where it is going called address To display a list of current Subscriber IDs addresses press A at the Connections and Routing Paths Menu or A D A from the Main Menu To add or change a Subscriber ID press B at the Connections and Routing Paths Menu When prompted enter a Subscriber ID of up to...

Page 157: ...n 1 Alternate Route on Line Failure selects the first port that is not in a failed state If the selected port does not make a connection the call will be cleared even if other ports are available 2 Alternate Route on Line Busy selects the first port that has LCNs available is not busy If the port has failed the next available port will be selected 3 Least LCN with Throughput selects the line with ...

Page 158: ...aces that use a physical frame relay port The device processor in the node uses these priorities to help determine the order in which it will process protocols When configuring priorities be careful to consider the types of traffic being routed on other connections in the node 1st 2nd etc Path Configured includes or excludes the associated RLP port as a routing path to the subscriber device At lea...

Page 159: ...r for each TPAD When the host polls the HPADs they will become operational The TPADs will autocall and the HPADs will connect to the TPADs by Round Robin Since all the TPADs are configured to connect to HPAD1 which has HPAD2 in its routing path they will be connected to HPAD1 then HPAD2 then HPAD1 and so on If HPAD1 fails all calls will be routed to HPAD2 until HPAD1 is again operational Configuri...

Page 160: ...ions in a Terminated session the host accepts sessions destined for the address A host to terminal connection is always initiated by the terminal To configure a host press D at the Configure IP LLC2 BRIDGE IPX Default Param eters Menu When prompted enter Host Number 0 128 Default is 0 Any other requested information if this is a new host noting Table 9 4 on page 9 21 The resulting display will dep...

Page 161: ...Host MAC Address 0C005A123402 B Session Type Originated C T1 100 msec 10 D T2 msec 100 E Ti 30 F N3 1 G Tw 1 H N2 8 I Priority 0 J Bandwidth Allocation Group 1 K Routing Subscriber ID 1121000000 L Source MAC Address Mask 40000470 M Connections Screen 2 Option Node Name nodexyz SNA LLC2 Terminated Session Configuration Screen 1 of 2 Host Number 1 A Host MAC Address 0C005A123402 B Session Type Termi...

Page 162: ...electing Del after selecting a sequence Sq number will delete that line Node Name nodexyz SNA LLC2 Originated Session Configuration Screen 2 of 2 Host Number 1 A B C D E F G H I J Sq HSAP Local Sub Remote Sub Type IDBLK IDNUM MaxData MaxIn Del 1 04 112100000011 6554433222 SDLC 017 00001 4105 128 2 04 112100000012 6554433223 SDLC 017 00002 4105 128 3 04 112100000015 6554433225 LLC2 4 04 11210000001...

Page 163: ...2 Type must be LLC2 8 Each Local Subscriber ID must begin with all of the actual Routing Subscriber ID A Local or Remote Subscriber ID can contain an asterisk as the final digit if so the asterisk will not be a universal wildcard but instead will include the range 000 511 or 00 99 if 13 digits precede the wildcard or 0 9 if 14 digits precede the wildcard 9 MAXDATA will be overridden by Maxdata in ...

Page 164: ...f each digit For example 7 0111 binary becomes E 1110 binary Digit Convert to Digit Convert to Digit Convert to Digit Convert to 0 0 4 2 8 1 C 3 1 8 5 A 9 9 D B 2 4 6 6 A 5 E 7 3 C 7 E B D F F Using the example 04 00 01 00 01 88 converts to 02 00 08 00 08 11 4 Enter the bit swapped value e g 020008000811 as the Host MAC Address This value will arrive at the host as the proper address e g 400010001...

Page 165: ...set to B 1 to solicit remote link station status Any Unnumbered LPDUs that were not responded to the first time they were sent If acknowledgments responses are still outstanding after N2 tries see that entry the local node will declare the link inoperative The value specified for T1 should allow for any delays introduced by the MAC sub layer e g queuing T2 is the Receive Acknowledgment Timer used ...

Page 166: ...ng priorities be careful to consider the types of traffic being routed on other connections in the node Bandwidth Allocation Group assigns the LLC2 host to one of sixteen groups whose parameters regulate bandwidth usage See Configuring Bandwidth Allocation Groups on page 7 6 Routing Subscriber ID associates a Subscriber ID with the LLC2 host and partially defines the local sub scriber IDs all of w...

Page 167: ...f configuring an LLC2 to LLC2 connection this address must match the Local Subscriber ID in the remote node s LLC2 Host record IDBLK is used in conjunction with IDNUM in generating the Node field in an XID frame format 0 or 3 to establish a link station connection to the host A further explanation is provided under IDNUM IDNUM is used in conjuction with IDBLK in generating the Node field in an XID...

Page 168: ...ces Configuration Menu When prompted for an interface number which is merely a sequential number to identify the interface If modifying an existing record enter the interface number 0 95 If creating a new record press Enter which will automatically specify the next available sequential interface number The display depends on the interface type Examples are shown in the following two figures Node N...

Page 169: ...d there is no item L If Format is 8023_TB Transparent Bridge there is no item K or L Node Name nodexyz Bridge Port LLC 2 Interface Configuration Bridge Port LLC2 Interface Number 0 A Interface Type Ethernet B Blocked Port Flag N C Port Priority 128 D Path Cost 100 E Priority 0 F LAN Card 0 Option Node Name nodexyz Bridge Port LLC 2 Interface Configuration Bridge Port LLC2 Interface Number 3 A Inte...

Page 170: ...this node will operate Interface Type identifies whether the interface is on a LAN or a frame relay network Blocked Port Flag will cause the port to be enabled N or disabled Y at node IPL The interface will remain in that state until this parameter is changed or frame relay interface only an on line enable B B C from the Main Menu or disable B B A from the Main Menu is performed Table 9 5 LLC2 Int...

Page 171: ... When configuring priorities be careful to consider the types of traffic being routed on other connections in the node LAN Card identifies the LAN card in an FRX6000 as defined in PROTOCOL INI A C B from the Main Menu RLP Port identifies the RLP and physical port containing the interface Make sure the physical frame relay port is not reserved for backup DLCIs as determined by the For Backup Use On...

Page 172: ... which the remote device needs to connect Session Type if Originated means that LLC2 connections from the configured Host MAC Address can use this interface If Terminated connections to the configured address can use this interface LAN ID identifies the ring number used by a frame relay compliant source route bridge at the other end of this PVC The value is normally assigned by a system administra...

Page 173: ...idrop line To run BSC Interactive in an FRX4000 or FRX6000 you must first configure the fol lowing in the database Node parameters which is general configuration that must be done no matter which protocols will be run in the node See Chapter 4 RLPs that will contain the interface s to the user device s plus Line Interface Card s supporting the ports that will be the interfaces See Chapter 5 Loaded...

Page 174: ... K will be Answer Non Configured After making any changes be sure to press F7 to update the system memory Otherwise the changes will not take effect until the next re boot of the FRX4000 6000 Pressing L lists more parameters and pressing M displays a screen similar to the fol lowing All BSC Interactive parameters are listed in Table 10 1 Node Name nodexyz BSC Interactive Port Parameters screen 1 o...

Page 175: ...any of which can be a TPAD or an X 25 connection to the host Each con nection must be assigned a different local subscriber address You must also configure Device records for the attached BSC devices See Configuring BSC Interactive Devices on page 10 11 Node Name nodexyz BSC Interactive Subscriber Information RLP 0 Port 5 Link State Linkup I O V 35 A B C D E F G H Sq Local Sub Remote Sub Atcl Rtyt...

Page 176: ...rame 25 4105 4105 Generate Clock Y N Y Rcv Clock TT from DTE Y N 2 N BSC Type 1 TPAD 2 HPAD 1 Answer Non Configured 3 Y N Y Activate Connection w o poll 3 Y N Y EBCDIC n a leave at default Y Call Info in Call Request Packet n a leave at default Y Clear VC on Last Device Down Y N N Transparent Text Supported n a leave at default Y End to End Acknowledgement n a leave at default N Full Duplex n a le...

Page 177: ...ation identifies the LIC and only the valid interfaces will be displayed on the Port screen Possible interfaces are RS 232 V 35 RS 449 and X 21 RS 449 and X 21 interfaces require an RS 422 LIC which is available by special order FRX6000 ports 0 7 on each RLP are determined by the Line Interface Card s and attached I O cables Line Processor Configuration identifies the LIC and only the valid interf...

Page 178: ...smitted on the port Generate Clock specifies whether the port will generate the clock necessary to synchronize traffic over the link If the port is a physical DCE determined by the port s I O cable interface set this parameter to Y since the physical DCE generates clock If the port is DTE set the parameter to N Rcv Clock TT from DTE allows the clock to be looped back from the DTE using the TT Term...

Page 179: ...e line during Link Down No Response Retry Count specifies how many times the user device will be polled if it is not responding before control is passed on the next cluster accompanied by other condition checks Error Retransmit Count specifies the number of times the node will resend a block of data after the receiving device has detected an error in that block NAK Retry Count specifies the number...

Page 180: ... over a logical X 25 port To complete the con nection the software must recognize where the call is coming from calling address and where it is going called address To display a list of current Subscriber IDs addresses press A at the Connections and Routing Paths Menu or A D A from the Main Menu To add or change a Subscriber ID press B at the Connections and Routing Paths Menu When prompted enter ...

Page 181: ...achable or con gested the Call Request will be sent to the next port If the port becomes available again it will be included in its assigned position 1 Alternate Route on Line Failure selects the first port that is not in a failed state If the selected port does not make a connection the call will be cleared even if other ports are available 2 Alternate Route on Line Busy selects the first port th...

Page 182: ...aces that use a physical frame relay port The device processor in the node uses these priorities to help determine the order in which it will process protocols When configuring priorities be careful to consider the types of traffic being routed on other connections in the node 1st 2nd etc Path Configured includes or excludes the associated RLP port as a routing path to the subscriber device At lea...

Page 183: ...s 0 Control Unit 0 31 See Table 10 4 Device Unit 0 31 See Table 10 4 Up to 32 Device Units can be configured for each Control Unit Any other requested information noting the values in Table 10 5 on page 10 12 Press Enter at a prompt to specify the default value Table 10 4 Control and Device Unit Addressing Ctrl Unit or Device No EBCDIC hex ASCII hex Ctrl Unit or Device No EBCDIC hex ASCII hex 0 40...

Page 184: ...within a different Control Unit Device Type pair Currently this must be configured as N Table 10 5 BSC Interactive Device Parameters Parameter Valid Values Default Value Connection ID 0 255 0 Single User Virtual Circuit Y N N Transparent Text Supported Y N N Printer Y N N Disable Status Response 0 2 0 Normal Status BSC Interactive Device Parameters RLP 1 Port 0 Control Unit 10 Device Unit 10 A Con...

Page 185: ...r sequences transmitted during transparent mode must be preceded by character 1 0 DLE in order to be recognized as control characters Printer specifies whether the device has an attached printer Disable Status Response determines how the BSC port will report the status of the attached device 0 Normal Status The port will report what the device reports 1 No Status The port will report status only i...

Page 186: ......

Page 187: ...l configuration that must be done no matter which protocols will be run in the node See Chapter 4 RLPs that will contain the interface s to the user device s plus Line Interface Card s supporting the ports that will be the interfaces See Chapter 5 Loaded Protocol s BSC Interactive as well as frame relay or X 25 if BSC will be transported over one of those See Chapter 5 Frame relay port s and or X ...

Page 188: ...atch Port Record A C A from Main Menu After making any changes be sure to press F7 to update the system memory Otherwise the changes will not take effect until the next re boot of the FRX4000 6000 Pressing J lists more parameters and pressing K displays a screen similar to the fol lowing All BSC Batch parameters are listed in Table 11 1 Node Name nodexyz BSC Batch Port Parameters screen 1 of 2 RLP...

Page 189: ...N Y Rcv Clock TT from DTE Y N 2 N EBCDIC Y N Y Transparent Text Supported Y N Y Ack A C none Controller Type A F none Full Duplex Y N Y of Beginning Sync Chars 2 10 2 of Trailing Pad Chars 1 10 1 No Response Timer sec 2 10 2 No Response Retry Count 4 255 5 Delay Timer sec 1 10 1 continued on next page Node Name nodexyz BSC Batch Subscriber Information RLP 0 Port 1 I O V 35 A Sq B Local Sub C Remot...

Page 190: ...35 RS 449 or X 21 FRX4000 ports 4 7 are determined by the expansion Line Interface Card LIC and attached I O cables Line Processor Configuration identifies the LIC and only the valid interfaces will be displayed on the Port screen Possible interfaces are RS 232 V 35 RS 449 and X 21 RS 449 and X 21 interfaces require an RS 422 LIC which is available by special order FRX6000 ports 0 7 on each RLP ar...

Page 191: ... a permanent error condition Maximum Bytes per Frame is the maximum frame size that will be transmitted on the port Generate Clock specifies whether the port will generate the clock necessary to synchronize traffic over the link If the port is a physical DCE determined by the port s I O cable interface specify Y since the physical DCE generates clock If the port is DTE specify N Rcv Clock TT from ...

Page 192: ... to ensure that the last significant character is sent before the data transmitter switches off No Response Timer is activated after transmission of a general poll or a data frame On expiry a NAK EOT General Poll sequence is transmitted and the No Response Retry Count is incre mented The timer will be de activated on reception of any valid frame from the line during Link Down No Response Retry Cou...

Page 193: ... local device A Subscriber ID see page 11 8 must also be configured for this address Remote Sub is the called address used for calls by the local device A Subscriber ID see page 11 8 must also be configured for this address If the BSC port is one end of a connection to a logical X 25 port in the FRX4000 6000 this address must match a Subscriber ID configured for the logical port Atcl Autocall caus...

Page 194: ...ths Menu When prompted enter a Subscriber ID of up to 15 digits ID conventions are described on page 8 22 Figure 11 3 Typical SVC Subscriber Screen A D B from Main Menu Pressing G will display routing paths which link the subscriber with one or more ports Pressing H will display the addresses used for call redirection These addresses are valid only if Y is specified for one or more of items C D an...

Page 195: ... be cleared even if other ports are available 2 Alternate Route on Line Busy selects the first port that has LCNs available is not busy If the port has failed the next available port will be selected 3 Least LCN with Throughput selects the line with the minumum loading cal culated by weight and number of LCNs in use on that line Each line is assigned a weight proportional to its throughput within ...

Page 196: ...which it will process protocols When configuring priorities be careful to consider the types of traffic being routed on other connections in the node 1st 2nd etc Path Configured includes or excludes the associated RLP port as a routing path to the subscriber device At least one path must be specified RLP is the RLP containing the port specified for the next parameter Port identify the port s that ...

Page 197: ...2 6 which define passwords to be used when logging into the FRX4000 6000 RLPs that will contain the interface s to the user device s plus Line Interface Card s supporting the ports that will be the interfaces See Chapter 5 Loaded Protocol s Async plus frame relay or X 25 See Chapter 5 Frame relay port s and or X 25 port s that will connect to a network or frame relay PVC See Chapter 7 frame relay ...

Page 198: ...e name 1 10 uppercase characters to display the first of two screens of parameters listed in Table 12 1 Press PgDn at the first screen to display the second screen Press PgUp at the second screen to return to the first screen or F3 to return to the Node Configuration Menu When creating a new profile be careful that you are not creating a duplicate of an existing profile When assigning a profile to...

Page 199: ...ing interpreted by the PAD 03 Data Forwarding Char allows the selection of defined sets of characters received from the user s device to be recognized by the PAD as an indication to complete the assembly and forward a com plete packet sequence as defined in Recommendation X 25 Values can be added are 0 no data forwarding character 1 alphanumeric characters A Z a z 0 9 4 ESC BEL ENQ or ACK 8 DEL CA...

Page 200: ...itted in standard format 4 prompt signal will be transmitted in standard format asterisk 5 service and prompt signals will be transmitted in standard format Some common service signals are listed in Appendix A 07 Receive Break Signal allows the selection of the operation of the PAD after receipt of a break signal from the user s device Values can be added are 0 no action 1 PAD will send an interru...

Page 201: ...ng is enabled the PAD will suspend forwarding of data packets after expiration of the idle timer or if the editing buffer is full 16 Character Delete is the ASCII value of the character that is used to delete characters When this char acter is received by the PAD it will be stored in the editing buffer and will cause the previously stored character to be deleted at packet forwarding or if a line d...

Page 202: ...1 Parity allows the PAD to check parity in the data stream from the user s device and or to gen erate parity in the data stream to the user s device 0 no parity 1 parity checking 2 parity generation 3 checking and generation 22 Page Wait specifies the number of line feed characters that when sent by the PAD to the DTE will start a Page Wait condition suspending transmission of additional character...

Page 203: ...bed earlier in this chapter If login is not required as determined in the Port record the profile specified in Port record is always in effect If login is required the profile specified in the PAD Login record becomes effective at login even if it is different from the profile specified in the Port record If the profile specified is not defined in the database the default profile 90 will be in eff...

Page 204: ...e Name the letter U will be displayed preceding the name in the Database column After making any changes be sure to press F7 to update the system memory Otherwise the changes will not take effect until the next re boot of the FRX4000 6000 Pressing J K M N or O will display more parameters listed in Table 12 3 on page 12 9 Pressing L will display the async PAD profile parameters listed earlier in t...

Page 205: ... valid Subscriber ID 4 none Disable X 121 User Calls N N Autocall Options Autocall Y N N Autocall Delay sec 0 255 0 Called Address valid subscriber ID 5 none Retry Count 0 10 0 retry indefinitely 5 Retry Interval sec 0 255 60 User Data ASCII 0 12 characters none Facilities hex 0 28 characters none Modem Signal Options DTR RTS Active When VC Up Y N N Input Signal Detection 0 5 1 DSR RTS CTS H W Flo...

Page 206: ...d by the attached cables RS 232 V 35 RS 449 or X 21 FRX4000 ports 4 7 are determined by the expansion Line Interface Card LIC and attached I O cables Line Processor Configuration identifies the LIC and only the valid interfaces will be displayed on the Port screen Possible interfaces are RS 232 V 35 RS 449 and X 21 RS 449 and X 21 interfaces require an RS 422 LIC which is available by special orde...

Page 207: ...gin Required determines whether or not async PAD users will be required to log in before con necting with this port If Y the user will be prompted to log in and must enter a Login ID and Login Password see page 12 6 or an Abbreviated Address see page 12 17 Parity determines the type of parity checking that will be used on incoming data Pressing K at the Port screen changes the value to the next on...

Page 208: ...s N the called address will come from either the user device s X 28 interface or an abbreviated address If the async port is one end of a connection to a logical X 25 port in the FRX4000 6000 the Called Address must match a Subscriber ID see page 12 15 configured for the logical port Retry Count is the number of times an autocall will be sent to the remote device Retry Interval is the time between...

Page 209: ...0 to avoid disconnections Timeout if No Login if Y starts the disconnect timer the moment the user enters login state e g when DSR is asserted on the modem or when a direct connect user logs out As long as the dis connect timer has not expired the user can continue to attempt to log in On a dial in line if the timer has expired and Disconnect Duration is not 0 a physical disconnect will be initiat...

Page 210: ...are set to values other than 0 the modem signals will be dropped when the user is logged out This parameter is automatically disabled on a PVC connection Async PAD Type defines the PAD type for transparent polled multipoint async operation 0 normal X 3 1 HPAD 2 TPAD Devices Connected is the number of devices connected to the async port This value must be 1 for X 3 PAD and TPAD Assemble Full Messag...

Page 211: ...enu When prompted enter a Subscriber ID of up to 15 digits ID conventions are described on page 8 22 Figure 12 3 Typical SVC Subscriber Screen A D B from Main Menu Pressing G will display routing paths which link the subscriber with one or more ports Pressing H will display the addresses used for call redirection These addresses are valid only if Y is specified for one or more of items C D and E o...

Page 212: ...y selects the first port that has LCNs available is not busy If the port has failed the next available port will be selected 3 Least LCN with Throughput selects the line with the minumum loading cal culated by weight and number of LCNs in use on that line Each line is assigned a weight proportional to its throughput within the routing path If use of a routing algorithm is not desired simply accept...

Page 213: ...st one path must be specified RLP is the RLP containing the port specified for the next parameter Port identify the port s that make up the routing path s Redirection Address 0 1 etc are up to five subscribers that will be called according to the specified redirection option The FRX4000 6000 can redirect an X 25 call to an alternate subscriber if the original subscriber cannot be reached See Redir...

Page 214: ... having to first make a call to establish a connection Async PVC support includes async to async and async to X 25 To display a list of current PVCs press A at the PVC Configuration Menu or A D E A from the Main Menu To add or change a PVC press B at the PVC Con figuration Menu and enter a 1 4 digit Connection ID which is simply a number unique to this connection that identifies the PVC Figure 12 ...

Page 215: ...ermine the order in which it will process protocols When configuring priorities be careful to consider the types of traffic being routed on other connections in the node Subscriber Name identifies the subscriber to the console operator The software does not use this infor mation Logical Channel is a logical link between the node and the subscriber RLP Port specifies the RLP and port at each end of...

Page 216: ......

Page 217: ...Proxy ARP Standard NDIS interfaces for Ethernet Token Ring and 802 3 LANs RFC 1490 frame relay and RFC 1356 X 25 interfaces for WANs Ping Configuration of fixed routes IP Addressing IP devices are identified by IP addresses An IP address is 32 bits divided into a network identifier followed by a node host identifier This allows the Internet Pro tocol to identify each physical network and each node...

Page 218: ...notation the range of Class B addresses is 128 0 0 0 191 255 255 255 Class C allows up to approximately 2 million network numbers and 255 node numbers Bits 0 2 are 110 bits 3 23 are the network identifier and bits 24 31 are the node identifier In dotted decimal notation the range of Class C addresses is 192 0 0 0 223 255 255 255 If the node identifier is all zeroes the overall 32 bit IP address re...

Page 219: ... done with a subnet mask The mask is created by taking the 32 bit binary IP address then sub stituting a 1 for every bit that identifies the network or a subnet and a 0 for every bit that identifies a node When IP applies this mask to an actual IP address it can see which bits identify the subnet and which identify the node IP already knows the network s class and therefore which bits identify the...

Page 220: ...d however only updates of the configured version will be transmitted If you will be using RIP version 1 you do not need to configure a version since version 1 is the default in the database If you will be using another version press A at the Configure IP LLC2 BRIDGE IPX Default Parameters Menu or A A E A from the Main Menu Figure 13 1 IP Node Defaults Menu A A E A from Main Menu After changing the...

Page 221: ...Token Ring interface To display all IP interfaces configured on the node press A at the Configure IP LLC2 BRIDGE IPX Interfaces Menu or A C E A from the Main Menu To configure an interface press B at the Configure IP LLC2 BRIDGE IPX Inter faces Menu When prompted enter an interface number 0 256 This is merely a sequential number to identify the interface It is a good idea to configure a LAN interf...

Page 222: ...changes made to both IP Interfaces and Static Routes If you forget to specify Y after the last change you can still update the node via On line Update Dynamic Routing Parameters G at the IP LLC2 BRIDGE IPX Defaults Configuration menu or A A E G from the Main Menu If the Interface Type is Ethernet 802 3 or 802 5 there will be a menu item called Con figure Secondary Addresses Selecting this item wil...

Page 223: ... number When a secondary IP address item B is entered default values will be displayed for items C and D To delete an existing entry press G then Y when asked to confirm Any entries with higher sequence numbers will move up one to fill in the gap To delete a primary address Source IP Address on the first screen without deleting the group of associated secondary addresses do this 1 Select one of th...

Page 224: ...s is specified If the interface is configured as unnumbered and therefore no Source IP Address is configured the default value of Network Mask will be taken from the numbered interface that is assigned If a Source IP Address is specified changed the Network Mask will automatically change to a default value appropriate for the new address For this reason configure the Source IP Address first then t...

Page 225: ...ter 8 and cannot contain wildcards In the record for the Source Subscriber do not configure any Routing Path In the record for the Destination Subscriber configure 1st Routing Path as the node RLP and X 25 port that will be used for the physical interface On an FRX6000 that RLP does not need to be the same one that has IP installed Table 13 3 X 25 IP Interface Parameters Parameter Valid Values Def...

Page 226: ...h Source IP Address and Network Mask while Bcast Addr is associated with Sec IP Addr and NetMask If the Source IP Address Sec IP Addr or Network Mask Netmask is specified changed the associated broadcast address will automatically change to default values appropriate for the new address For this reason configure the IP address first then the mask then the broadcast address Table 13 4 Ethernet Toke...

Page 227: ...e level of RIP support on the interface 0 Enabled All RIP messages will be accepted and messages of the version configured in IP Node Defaults A A E A from the Main Menu see page 13 4 will be transmitted assuming RIP updates have been configured 1 Receive Only RIP messages will be accepted but not transmitted 2 Disabled No RIP messages will be accepted or transmitted RIP Flash Updates is the frequ...

Page 228: ...r the 5th attempt a 30 second timer will start after which the re send sequence will be repeated If Enable Inverse ARP is changed from N to Y the FRX4000 6000 will immediately generate an Inverse ARP request If this parameter is set to N a Destination IP Address see next entry must be con figured Destination IP Address is the IP address of the end to end receiver for point to point connections fra...

Page 229: ... of virtual circuits over which IP traffic will be transmitted in parallel PVC Connection simply states whether this interface is a PVC Broadcast Address is used to send to all LAN hosts on the network LAN Card Number identifies the LAN card that contains the interface Only 0 is valid on FRX4000 since an FRX4000 has no LAN cards Proxy ARP Enabled Determines whether Proxy ARP will be supported on t...

Page 230: ...ddress associated with the secondary IP address This address is used to send to all LAN hosts on the sub network RMetric is the routing metric count associated with the secondary IP address This count is the number of hops subnet gateways in the overall path over the internet associated with this interface usually zero During routing the interface with the lowest count will be selected RIP Support...

Page 231: ...rlier require an extra step to update the SmartSwitch software Changing certain parameters will generate the message Dynamic Routing Parameters have changed Do you wish to update them at this time Y N N This must be done but if you are making several changes to IP Interfaces and Static Routes you can save time by specifying N for each change until the final one Entering Y after the final change wi...

Page 232: ... routing to identify the portion of the address associated with the network When an IP datagram is received the software masks off this portion of the overall address and searches for a match to the remaining address in the node s IP routing table If there is no match then the destination mask is checked If no match is found here either the default route if configured will be used If the default r...

Page 233: ...ocol periodic RIP periodic SAP Dynamic and static routing NetBIOS support RFC 1490 encapsulation Required Configuration To run IPX in an FRX4000 or FRX6000 make sure the following are configured Node parameters which is general configuration that must be done no matter which protocols will be run in the node See Chapter 4 RLPs that will contain the interface s to the user device s plus Line Interf...

Page 234: ...ing zeros will be added Gap is the minimum delay between consecutive RIP and SAP Service Advertising Pro tocol transmissions This parameter provides compatibility with older Novell servers Router Name is simply an identifier for the IPX network It must be unique within the network Table 14 1 IPX Node Defaults Parameters Parameter Valid Values Default Value Internal Network 0 ffffffff 8 hex digits ...

Page 235: ...er in this chapter Specify the filter category RIP SAP packet or RIP router Specify a direction inbound or outbound Specify whether the filter s to be applied will permit or deny passage of the type of data defined by the filter s Identify up to 100 filters to be applied to the interface 3 Perform an on line update of the definitions and applications described under Configuring IPX Filter Applicat...

Page 236: ... its corresponding field in each IPX packet as deter mined by IPX Filter Applications This result will be compared to the AND result of the configured value and mask If the two results match the filter will be applied This process allows a number of packet field values to match the AND result of the mask and value for example Packet field 1233 Mask F000 Packet field 1237 Mask F000 Binary value 000...

Page 237: ... identify the filter The name is not used by the software Table 14 2 IPX RIP Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none Network Address Value 0 ffffffff 4 bytes ffffffff Network Address Mask 0 ffffffff 4 bytes ffffffff Table 14 3 IPX SAP Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none Service Type Value 0 ffff 2 b...

Page 238: ...5 NetBIOS Process 0456 Diagnostics Process Filter Name helps the user identify the filter The name is not used by the software Table 14 4 IPX Packet Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none Packet Type Value 0 ff 1 byte ff Packet Type Mask 0 ff 1 byte ff Destination Network Value 0 ffffffff 4 bytes ffffffff Destination Network Mask 0 ffffffff 4 bytes ...

Page 239: ...ess is the network number followed by the node address followed by the socket number Destination Socket Value is the socket address of the packet s destination process Source Network Value is the network number of the source node s network Source Node Value is the physical address of the source node Source Socket Value is the socket address of the packet s source process Filter Name helps the user...

Page 240: ...uested information referring to Table 14 6 Figure 14 3 Typical IPX Filter Applications Record A A E F D from Main Menu Up to 100 filters can be configured displayed over 9 pages screens When finished configuring filter definitions and applications perform an on line update to make the changes effective immediately Press E at the Filter Definitions and Applications Configuration Menu The changes wi...

Page 241: ...ber 0 63 This is merely a sequential number to identify the interface The display depends on the interface the following figure shows an example and Table 14 7 through Table 14 9 list the parameters for all interface types Figure 14 4 IPX Interface Record Example A C E F from Main Menu Table 14 6 IPX Filter Applications Parameters Parameter Valid Values Default Value Permit Y N N Filter n 0 65535 ...

Page 242: ...ntra nodal frame relay PVC Table 14 7 IPX Frame Relay Interface Parameters Parameter Valid Values Default Value Blocked Port Flag Y N N Interface Type FRL Depends on inter face number 1 Frame Type TYPE_II TYPE_II Maximum Transmission Unit frame size 31 4096 bytes 4096 IPX Network Address 1 fffffffe 00000000 Priority 0 9 5 Bandwidth Allocation Group 1 16 1 Port Diagnostics Enabled Y N N NetBIOS Ena...

Page 243: ...me Type TYPE_II TYPE_II Maximum Transmission Unit frame size 31 4096 bytes 4096 IPX Network Address 1 fffffffe 00000000 Priority 0 9 5 Bandwidth Allocation Group 1 16 1 Port Diagnostics Enabled Y N N NetBIOS Enabled Y N N NetBIOS Hops 0 255 8 Periodic RIP Enabled Y N N Periodic RIP Timer seconds 1 65535 2 60 Periodic SAP Enabled Y N N Periodic SAP Timer seconds 1 65535 2 60 RIP Enabled Y N N RIP A...

Page 244: ...et 802 5 Depends on inter face number 1 Frame Type TYPE_II RAW LLC SNAPI TYPE_II Maximum Transmission Unit frame size Ethernet 45 1518 802 5 48 4096 1518 4096 IPX Network Address 1 fffffffe 00000000 Priority 0 9 5 Bandwidth Allocation Group 1 16 1 Port Diagnostics Enabled Y N N NetBIOS Enabled Y N N NetBIOS Hops 0 255 8 Periodic RIP Enabled Y N N Periodic RIP Timer seconds 1 65535 2 60 Periodic SA...

Page 245: ... Priorities are configured on all logical interfaces that use a physical frame relay port The device processor in the node uses these priorities to help determine the order in which it will process protocols When configuring priorities be careful to consider the types of traffic being routed on other connections in the node Bandwidth Allocation Group assigns the IPX interface to one of sixteen gro...

Page 246: ...the entry will be deleted from the table RIP Maximum Size is the maximum possible RIP packet size including the IPX header 30 bytes and the LAN MAC header if transmitted on a LAN interface SAP Enabled determines whether this interface will support SAP processing SAP Age Timer is used to delete route entries in the server information table assuming SAP is enabled The timer starts restarts each time...

Page 247: ...mined by the For Backup Use Only parameter in the port record Also make sure the DLCI is not part of a frame relay DLCI backup group or frame relay PVC Descriptions of Parameters Specific to X 25 Interfaces IPXWAN Enabled determines whether Novell s IPXWAN protocol will be used on the interface IPXWAN specifies a method for IPX routers to communicate across WAN links The FRX4000 and FRX6000 implem...

Page 248: ...utes configured in the FRX4000 6000 To display configured static routes press H at the Connections and Routing Paths Menu or A D H from the Main Menu To configure a route press I at the Connections and Routing Paths Menu When prompted enter Type 0 RIP or 1 SAP The default is 0 Route Service Number 0 65535 The default is 0 This is simply an identifier The display will be similar to the RIP example ...

Page 249: ...oute is used Router Is the hex value of the node address of the router that will forward a packet when this route is used If Novell s IPXWAN protocol is used on the interface as configured in the IPX Interface file described earlier in this chapter this field will be ignored Interface is the IPX network number assigned to the interface used to send packets that are using this route Table 14 10 IPX...

Page 250: ...tworks is the number of routers that a packet must pass through to reach the server if this route is used Router is the hex value of the node address of the router that will forward a packet when this route is used If Novell s IPXWAN protocol is used on the interface as configured in the IPX Interface file this field will be ignored Interface is the IPX network number assigned to the interface use...

Page 251: ... non routable LLC traffic such as NetBIOS DECnet AppleTalk LAT and VINES Routing bridging of IP and IPX traffic MAC address filtering NetBIOS name filtering Bandwidth allocation Multivendor interoperability with other IEEE 802 1d devices Routing transmits each packet based on its level 3 address while bridging transmits each frame based on its level 2 address Athough some traffic can be either rou...

Page 252: ...to Bridging however these interfaces will be called Bridge ports since the IEEE 802 1d standard uses the term port to identify a connection to a bridge Avoid configuring parallel Bridge LLC2 frame relay links between two FRMs if one path is in native LLC2 format and the other in some other format Since native LLC2 interfaces do not support the spanning tree protocol a loop can be created causing a...

Page 253: ...f 000 LAN IDs can also be configured in LLC2 Interface Bridge Port records later in this chapter Each LAN ID must be unique within the network on which this node will operate Any remaining requested information referring to Table 15 1 Figure 15 1 Bridge Node Defaults Configuration Screen A A E B from Main Menu Node Name node_xyz Configure Bridge LLC2 Node Defaults A Virtual LAN ID 000 B Bridge Ena...

Page 254: ...ent bridges the next ones in all bridge paths when the local bridge is Root Note that a root bridge is the one with the lowest ID which contains its Bridge Priority and MAC address on the network Bridge Max Age determines how long Hello messages will remain valid when the local bridge is root described under Bridge Hello Time Bridge Forward Delay is the time the bridge will wait after entering Lis...

Page 255: ...d IP traffic assuming IP is configured and loaded in the node will be routed IPX Bridging Enabled determines whether IPX traffic can be transmitted over the bridge If IPX bridging is not enabled IPX traffic assuming IPX is configured and loaded in the node will be routed SRB ID is the Source Route Bridge ID of the bridge If the outgoing port is configured as Source Route it is necessary for the no...

Page 256: ...termine how the filter definitions will be applied 3 Perform an on line update of the definitions and applications described under Configuring Bridge Filter Applications on page 15 10 To review existing filters press F at the Filter Definitions and Applications Configuration Menu or A A E F F from the Main Menu Configuring Filter Definitions To define a filter press G at the Configure Filter Defin...

Page 257: ...ield in each Bridged packet as determined by Bridge Filter Applications This result will be compared to the AND result of the configured value and mask If the two results match the filter will be applied This process allows a number of packet field values to match the AND result of the mask and value for example Packet field 1233 Mask F000 Packet field 1237 Mask F000 Binary value 0001001000110011 ...

Page 258: ...onjunction with the Mask as described under How Filter Masks Work on page 15 7 Mask is used in conjunction with the Value as described under How Filter Masks Work on page 15 7 Table 15 2 Bridge Generic Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none Sq 1 16 1 Offset 0 254 octets 0 Value 0 ff hex 0 Mask 0 ff hex 0 Del Allows you to delete the specific entry d...

Page 259: ...g Protocol SAP DSAP Value identifies the destination SAP Filter Name helps the user identify the filter The name is not used by the software Protocol ID Value is the IEEE 802 value of the protocol SNAP or Type II to which the filter will apply Table 15 4 Bridge SAP Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none SSAP Value 0 ff 1 byte 0 SSAP Mask 0 ff 0 DSAP...

Page 260: ...i cation press I at the Filter Definitions and Applications Configuration Menu When prompted enter Bridge Port Number 0 95 The default is 0 This number simply identifies the interface Filter Type 4 Generic 5 MAC Default 6 LLC2 SAP 7 Protocol 8 Bridged native NetBIOS A MAC filter will be applied to LLC2 traffic whether or not bridging is enabled in Bridge Node Defaults Other filter types will be ap...

Page 261: ...plications Configuration Menu The changes will be sent to the software running on the RLPs Permit Determines whether the traffic defined by the Filter n entries will be permitted or denied passage across the interface Filter n corresponds to the Filter IDs in the Bridge Filter Definitions file Table 15 7 Bridge Filter Applications Parameters Parameter Valid Values Default Value Permit Y N N Filter...

Page 262: ...rface Number which is merely a sequential number to identify the interface If modifying an existing record enter the interface number 0 95 Do not configure more than one interface per DLCI on a port If creating a new record press Enter which will automatically specify the next available sequential interface number The display depends on the interface the following figure shows an example and Table...

Page 263: ... 128 128 Path Cost Native LLC2 format n a All other formats 1 1000 LAN speed in Mb s Lan interface 62 FR int see note1 Priority 0 9 0 LAN Card FRX4000 0 FRX6000 0 1 0 RLP FRX4000 0 FRX6000 0 7 0 Port 0 7 2 0 DLCI 16 991 3 16 Format Native LLC2 8025_SRB 8023_TB 4 Native LLC2 Bandwidth Allocation Group 1 16 1 Host MAC Address valid host address 5 400000000001 Session Type Originated Terminated Origi...

Page 264: ...among other interfaces in the spanning tree Path Cost is the cost of transmitting a frame through the port onto the LAN This cost deter mined by the speed of the LAN port the higher the speed the lower the cost will be added together with all other path costs on a specific link between source and desti nation devices The total will then be compared to other total path costs to determine the least ...

Page 265: ...25_SRB will add a Token Ring header Bandwidth Allocation Group assigns the interface to one of sixteen groups whose parameters regulate bandwidth usage See Configuring Bandwidth Allocation Groups on page 7 6 Host MAC Address is the MAC address of the LLC2 host in the node Session Type if Originated means that LLC2 connections from the configured Host MAC Address can use this interface If Terminate...

Page 266: ......

Page 267: ... The agent handles get and for some fields set commands from the SNMP manager to provide topology information and node status This information is retrieved by calling it from the Management Information Base MIB FRX and FRM support parts of the Internet standard MIB II RFC 1213 as well as the frame relay MIB RFC 1315 the SDLC MIB RFC 1747 the X 25 MIBs RFC 1381 and 1382 and a Cabletron proprietary ...

Page 268: ...stem Defaults Parameters 1 Although the SNMP standard for these fields is 256 characters an FRX file length restriction limits the fields to 250 characters each System Name identifies the local FRX4000 6000 to the SNMP manager System Location is generally the geographical address of the local node Table 16 1 SNMP System Defaults Parameters Parameter Valid Values Default Value System Name 0 250 cha...

Page 269: ...figuration Menu to display the table Figure 16 2 SNMP Community Table Menu A A D B from Main Menu To configure an entry press the corresponding Seq sequence number To delete an entry select it then press D and Y when asked to confirm All entries below a deleted one will move up one in the list Node Name node_xyz Community Table A Seq B Name C Access D Del 1 name1 Read_write 2 name2 Read_write 3 na...

Page 270: ...trap routing press C at the SNMP Configuration Menu Figure 16 3 SNMP Trap Routing Menu A A D C from Main Menu Table 16 2 Community Table Parameter Parameter Valid Values Default Value Name 0 24 characters none Access Read only Read write Read only Node Name node_xyz Trap Routing A Seq B Address C Enabled D Severity E Delete 1 255 255 255 255 Yes 1 2 123 123 123 123 Yes 1 3 0 0 0 0 No 4 4 0 0 0 0 N...

Page 271: ...sent to the specified address 1 is the highest For example if 3 is specified traps of severity levels 1 2 and 3 will be sent assuming the menu item is enabled There are four levels of severity Level 1 Serious fault This is a serious error and immediate action is required Level 2 Major fault link alarm Link alarms 400 406 are at this level simply to show importance for any other events take action ...

Page 272: ...tion of a model number is not necessary however configuring it now will avoid a problem if OmniView is used at a later time To configure a model number press D at the SNMP Configuration Menu or A A D D from the Main Menu The currently configured model will be displayed If the value needs to be changed press A then enter the correct value 2 FRX6000 Model 2 3 FRX6000 Rackmount 6 FRX4000 The Rackmoun...

Page 273: ...Section III Operation ...

Page 274: ......

Page 275: ...store database and or system files Take control of remote Cabletron frame relay access devices Monitor status of the node ports connections or traffic Display event messages and configure routing of events Display statistics for level 2 RLPs and ports plus IP and IPX interfaces Produce reports on configuration and boot messages If you are controlling a remote Cabletron frame relay access device mo...

Page 276: ... a Port Takes any physical or logical serial port in the node off line B Disable a Range of Ports Takes a specified group of same type ports off line C Enable a Port Brings any physical or logical serial port in the node on line D Enable a Range of Ports Brings a specified group of same type ports on line E Quiesce a Port Causes any physical or logical serial port in the node to be taken off line ...

Page 277: ...ay only performance for all logical connections D Port Signals displays configuration data for each port on a specified RLP FRX6000 or in the node FRX4000 and shows on off status of each signal at the interface E Traffic Monitor A Port Monitor displays control and information data of all level 3 packets passing through a specified port B LAN Capture Status and Control Menu allows configuration of ...

Page 278: ...plays the supported statistics including current values and cumulative values since maximum values were last cleared E Display IP Interface Statistics displays the supported statistics including current values and cumulative values since maximum values were last cleared F Display IIPX Interface Statistics displays the supported statistics including current values and cumulative values since maximu...

Page 279: ...to be controlled or an async terminal connected to an async PAD port through a network into an X 25 port on the node to be controlled These restrictions apply to the Remote Control operation An FRX4000 6000 cannot be controlled by more than one device at a time While remotely controlling one node you cannot take remote control of another one While a node is under remote control its keyboard is blo...

Page 280: ... controlled node The display at the controlled node will say Under remote control Keyboard blocked by id n The Main Menu at the controlling node will act as the Main Menu of the controlled node and the displayed remote ID is the ID of the controlled node Rebooting the Remote Node Before rebooting notify all users of this node since all connec tions on all ports will be cleared To reboot a node und...

Page 281: ...id n The Main Menu at the controlling node will act as the Main Menu of the controlled node and the displayed remote ID is the ID of the controlled node Placing a call through the FRX4000 6000 is described in Appendix A Rebooting the Remote Node Before rebooting notify all users of this node since all connec tions on all ports will be cleared Press period to reboot the node When asked Remote reboo...

Page 282: ...me The transfer process is as follows 1 The originating node will send a message that includes a request for the file name and size 2 The remote node will check to make sure there is enough disk space to accept the file if not the connection will be cleared and a corresponding message displayed 3 If there is enough disk space the file will be transferred and stored in the remote node under a tempo...

Page 283: ...sked to specify the type of LAN card 0 LAN cards are numbered 0 and 1 Enter the appropriate number from the choices 3 SMC EtherCard Plus Elite16 4 IBM Token Ring Card 5 SMC Token Ring Card If only one LAN card is installed go to step 6 If two are installed repeat step 5 for the second card then go to step 6 6 When asked Initiate File Transfer press Y 7 If asked Are you sure you want to do a remote...

Page 284: ... Backed Up Database to a Remote FRX4000 SS1800 D Back up the Database to a Local Directory E Restore the Database from a Local Directory F Back Up the Current System Files to a Local Directory G Restore the System Files from a Local Directory Remote Backup and Restore Items A C Items A and B are used to back up a remote node s database to a local FRX4000 6000 that has control of the remote node Bo...

Page 285: ...ctory G Restore the System Files from a Local Directory Remote Backup and Restore Items A C Item A is used to back up a remote node s database to an FRX6000 that has control of the remote node The operation requires first taking remote control see page 18 1 B A A from the Main Menu of the node whose database will be backed up Item A allows copying the database to a directory on the hard disk or a ...

Page 286: ...rectory from an FRX4000 to the locally attached PC and back This is useful for backing up the FRX4000 s configuration database Copying the Directory to the PC 1 Make sure a directory with the same name as the one in the FRX4000 exists in the PC 2 In Procomm use Setup to specify a Download Path to the desired directory 3 Press G at the FRX4000 On Line Node Operations Menu or B A G from the Main Men...

Page 287: ...pied to this directory in the PC It does not matter where the file is copied to as long as you remember where to find it when you want to copy it back to the FRX4000 2 Press D at the FRX4000 On Line Node Operations Menu or B A D from the Main Menu 3 After reading the warning press Enter 4 When prompted enter the name of the file you want to back up Be sure to include the path to the directory that...

Page 288: ...LCIs IPISUB DAT IP interface parameters IPRSUB DAT IP static route parameters IPSEC DAT IP secondary addresses IPXISUB DAT IPX interface parameters IPXRSUB DAT IPX static route parameters LANPAR DAT LAN card parameters LOGPAR DAT Logical port parameters LLC2HPAR DAT LLC2 host parameters LLC2IPAR DAT LLC2 interface parameters LLCLHSVC DAT LLC2 originated host SVC parameters LLCRHSVC DAT LLC2 termin...

Page 289: ...ecify an Upload Path which identifies the directory in the PC containing the file s to be copied to the FRX4000 2 Press E at the FRX4000 On Line Node Operations Menu or B A E from the Main Menu 3 Enter the letter corresponding to the desired operation when asked Are you A Installing a Software File B Restoring a Database File This will ensure that the file s will be copied to the right place in th...

Page 290: ...o activate a PVC by disabling then enabling both ports after the PVC record has been created Select an operation from the menu Figure 18 1 items A D When prompted If enabling or disabling a single port enter RLP 0 on FRX4000 0 7 on FRX6000 Port 0 63 If enabling or disabling a range of ports enter Port Type 1 X 25 2 frame relay 3 async 4 SNA 5 BSCI or 6 BSCB From RLP 0 on FRX4000 0 7 on FRX6000 Fro...

Page 291: ...nquiesce operations allow returning of one or more quiesced ports to a normal con dition without waiting for them to become disabled Select an operation from the menu Figure 18 1 items E H When prompted If quiescing or unquiescing a single port enter RLP 0 on FRX4000 0 7 on FRX6000 Port 0 63 If quiescing or unquiescing a range of ports enter Port Type 1 X 25 2 frame relay 3 async 4 SNA 5 BSCI or 6...

Page 292: ...PUs grouped by sequential port numbers Select the desired operation from the menu When prompted If enabling or disabling a single PU enter RLP 0 on FRX4000 0 7 on FRX6000 Port 0 7 PU station address 0 ff If enabling or disabling a range of PUs enter From RLP 0 on FRX4000 0 7 on FRX6000 From port 0 7 To RLP 0 on FRX4000 0 7 on FRX6000 To port 0 7 Node Name node_xyz On Line SDLC PU Operations A Disa...

Page 293: ... Make any desired change to the Inter Packet Time within the range of 1 15 seconds This is an interval between transmission of packets 3 When the parameters are configured the way you want them press F4 and the node will begin sending pings As each ping is returned from the host a message will be displayed noting the packet size and IP address of the host 4 To stop sending pings press F3 Test stat...

Page 294: ...e port must first be disabled If nec essary press A at the Operations Menu or B A from the Main Menu to disable the port To run a CSU DSU test press I at the Operations Menu then press the letter corre sponding to the desired test A Self Test transmits a test pattern to the analog portion of the circuitry and loop the pattern back to itself B Pattern Generation Test transmits a PRBS pseudo random ...

Page 295: ... and to switch back to the primary a set time after the primary becomes operational again These automatic settings can be overridden via Frame Relay Backup Operations B J from the Main Menu From the Frame Relay Backup Operations Menu To switch from a primary to one of its backups press A To switch from a backup to a primary press B In either case enter as prompted the requested information to iden...

Page 296: ......

Page 297: ... and PVCs cur rently in use in this node divided by two Boot Time is the date time the FRX4000 6000 software was last started Status lists the possible operational states that each port can be in See State under Displaying Port Status on page 19 2 of Ports is the total number of physical and logical ports in the node with the associated status Node Name node_xyz Node Status Display Pkt Sec 0 128 2...

Page 298: ... passing through the port Conn is the number of virtual connections currently in use State Linkup The necessary level 1 modem signals are present and the level 2 link is up For frame relay PVCs this state means that LMI is running Restarting Level 2 is up and level 3 is starting its initial handshake sequence Operational The line is up and ready to establish a connection or transfer data On a fram...

Page 299: ...Status Displays Menu and when prompted enter the RLP and physical port numbers The display will differ depending on whether or not the port is a frame relay port Figure 19 3 shows a frame relay port and Figure 19 4 shows a non frame relay port Figure 19 3 Virtual Connections Display on Frame Relay Port C C from Main Menu Node Name node_xyz Connection Status Display Menu Page 1 RLP 0 Port 0 From C ...

Page 300: ...peration To determine this press F3 to return to the Status Displays menu then press F E B Display States for all Primary DLCIs on a Port and enter the port number If the DLCI is displayed as Backed Up note the backup DLCI then press F3 three times then C at the Status Displays menu and verify that the backup DLCI is in Data_trans state Undefined means that the port is in some unknown state Trans ...

Page 301: ...anatory Connected means that a connection has been established Not_conect means that a connection has not been established or has been broken Undefined means that the port is in some unknown state Subscriber identifies the Calling Address of each end of the connection RLP is the RLP number always 0 on FRX4000 with the following excep tions except for a remote control file transfer or alarm connect...

Page 302: ...e Port record If no record has been created for this port No Config is displayed on this line and the one below it Logical Inter is the logical interface DCE or DTE as taken from the Port record If no record has been created for this port No Config is displayed on this line and the one above it Line Speed is the speed configured in the Port record Line Status Failed level 2 is down Disconnect leve...

Page 303: ...ay RLP 0 Monitoring Traffic Serial Ports The port monitor displays the control data and information data of traffic passing over a serial interface Data can be gathered in real time for an X 25 SDLC BSC or async port or an LLC2 session Running the traffic monitor on a frame relay port will degrade performance on the port Press A at the Traffic Monitor Menu or C E A from the Main Menu and when prom...

Page 304: ...n X 25 port or LMI DLCI information on a frame relay port Only the sequence numbers will be displayed for Link Integrity Verification messages on a frame relay port S Updates and redisplays the Display Selection is message shown above T Enables disables timestamps hours minutes seconds milliseconds and lengths of packets W Enables disables interpretation of classified frames LLC2 and LAPB Y Enable...

Page 305: ...the LCN field if the D M or Q bit is turned on in the packet LCN is the logical channel of a data session PR is the packet receive sequence number PS is the packet send sequence number LNG is the length of the data in bytes The field to the right of the colon contains the data in a data packet Data exceeding the screen width is displayed on the next line 09 23 05 16I DATALCN 4072PR 4 PS 4 LNG 1024...

Page 306: ...03 UA F 01 RR P N R 3 01 RR F N R 1 02 RR P N R 5 02 RR F N R 7 03 RR P N R 0 03 RR F N R 0 03 I N R 0 N S 0 0020 2D00000037826B80001102010500000007DB0000 SNA 01 RR P N R 3 ACTPU RU REQ 01 RR F N R 1 02 RR P N R 5 02 RR F N R 7 03 RR P N R 0 03 I N R 1 N S 0 0029 2D0000003782EB80001112404040404040404000 SNA 03 RR F N R 1 ACTPU RU RSP 03 I N R 1 N S 1 0014 2D00020037836B80000D02010000 SNA ACT LU RE...

Page 307: ...S 3 0014 2C00050000008B80008106200000 03 RR P N R 7 03 I N R 4 N S 7 0025 2D0000033784EB80000D020100858000000C0601 03 I N R 4 N S 0 0020 2C00000300000B80008106200C06010001000000 03 RR F N R 4 01 RR P N R 3 01 RR F N R 1 02 RR P N R 5 02 RR F N R 7 03 RR P N R 1 03 RR F N R 4 03 I N R 1 N S 4 0014 2C00030000008B80008106200000 01 RR P N R 3 01 RR F N R 1 02 RR P N R 5 02 RR F N R 7 03 RR P N R 1 03 ...

Page 308: ...DLCI will be reported as N new or A active A DLCI is reported as new if this is the first time it is being reported to the DTE A DLCI reported as active will if not already done transition the frame relay DLCI on the Virtual Con nections Display C C from the Main Menu to Data_trans and the port Port Status Display C B from the Main Menu to Operational 16 23 58 00R0016D 0008 0308518167800131 16 23 ...

Page 309: ...01 means that the DTE received sequence 001 and sent sequence 002 If the timestamp is turned on it will be displayed at the left of each line Note that the T or R in LMI frames indicates whether the frame was transmitted or received by the port being traced Note that in the above example the frame relay DTE port is configured for an N1 Polling Count of 6 meaning that every six polling cycles the D...

Page 310: ...03 Q 922 control 0x08 Q 933 NLPID T1 617 L2 LAPB PID 0x51 81 T1 617 L3 PID 0x67 80 LAPB frame For instance 013F is a LAPB SABM frame Frame Format Examples in hex IP IPX over RFC1490 Flag AddressCtrl PAD NLPID OUI PID Data FCS Flag Routed IP 03 CC start of IP header 45 Routed IPX 03 00 80 000000 8137 X 25 over RFC1490 Ctrl NLPID Lvl2PID Lvl3PID Data FCS Flag 03 08 5181 6780 LAPB frame X 25 packet N...

Page 311: ... 73 UA 53 DISC 1F DM 97 FRMR LLC2 802 3 TB bridged 0016 0025 0300800080C2000722220000001002000000444400030004F3 03 Control 00 PAD 80 NLPID 00 80 C2 OUI 00 07 PID 222200000010 DMAC 020000004444 SMAC 0003 Frame length 00 DSAP 04 SSAP F3 Test BF XID 7F SABME 73 UA 53 DISC 1F DM 97 FRMR Bridged Protocol Data Unit BPDU frame see 802 1d Spanning Tree Algorithm 0016 0043 0300800080C2000E00000000018000006...

Page 312: ...0016 0076 0300800080C20007FFFFFFFFFFFF0080C7193D800036AAAA03 0000F8080600010800060400010080C7193D80C6554ABC0000 00000000C6554A015F4C5445585400000400000000000000A029 03 Q 922 control byte 00 Pad byte 80 SNAP NLPID for a bridged 802 3 frame 0080C2 OUI 0007 PID FFFFFFFFFFFF Destination MAC address 0080C7193D80 Source MAC address 0036 length of packet in hex 54 bytes follow AAAA03 SNAP Header 0000F8 P...

Page 313: ...Recording is Not Active If Allocated the percentage of buffer filled and the number of events will also be shown LAN0 1 identify each card interface type show whether or not a capture is occurring on that interface and identify the traffic type s to be monitored Each of the configurable parameters items A F will toggle through the valid settings when selected Note however that the changes will not...

Page 314: ...that were made to items A F F7 starts a capture F2 stops the capture F3 returns to the next higher menu A capture in progress will remain active F4 purges the buffer Displaying Capture Data To display captured LAN data press C at the Traffic Monitor Menu The display will be similar to the following Figure 19 9 LAN Capture Display C E C from Main Menu Node Name node_xyz Event 2 of 1 6 NumTimeD Type...

Page 315: ...is captured to a packet buffer In an FRX6000 the data is stored in a file named landata out Displaying Frame Relay Backup Status To display operational states of backup and backed up frame relay DLCIs press E at the Protocol Status Displays Menu or C F E from the Main Menu then select from the following list and enter when prompted the RLP port or group number A Display States for all Backup DLCIs...

Page 316: ...he RLP FRX6000 only and port numbers Figure 19 10 SDLC PU Status Display C F C from Main Menu Information in this Display Station Address specified when configuring the SNA port described in Chapter 9 identifies the PU and must match the ADDR parameter set in the macro PU in the VTAM configuration The station address is usually set to C1 for point to point SDLC lines and in series C1 C2 C3 etc for...

Page 317: ... record Bridge Status Displays Bridge Port Status Press A at the Bridge Status Displays Menu to display the configurational and oper ational status of all Bridge ports in the node Figure 19 11 Bridge Port Status Display C F D A from Main Menu Bridge ID is in the form Priority MAC Address where Priority is the hex value of the Bridge Priority configured in the Bridge Port record Node Name node_xyz ...

Page 318: ...o the spanning tree algorithm The port will leave this state when the Bridge Forward Delay timer described on page 15 4 expires If the port is selected as Root or Designated port it will enter Forwarding state If the port is not selected as Root or Designated port it will enter Blocking state A Root port is the one selected by the spanning tree algorithm as the port used to reach the root bridge w...

Page 319: ...onsidered static and will always be in the table The remaining entries are con sidered dynamic and will remain in the table for the time period configured as the Bridge Aging Timer in Bridge Node Defaults Press B at the Bridge Status Displays Menu to display a forwarding table for all MAC addresses received on Bridge ports in the node Figure 19 12 Bridge Forwarding Table Display C F D B from Main ...

Page 320: ... unknown until it is discovered Don t Forward Frames to the address will not be forwarded Addresses with this flag are destined for the local bridge or are reserved functional addresses defined in the 802 1d specification and IBM Token Ring archi tecture IP Status Displays IP Routing Table To display a list of active IP routes press A at the IP Status Displays Menu or C F G A from the Main Menu In...

Page 321: ...ponding IP Interface MAC Address MAC address to which each IP address maps AgeOut Timer Time in seconds until the address will be removed from the table if no traffic is received from that address The address is added to the table after the FRX4000 6000 sends an ARP request for an IP address and receives a MAC address in response The timer is reset if an IP frame is received from the either the IP...

Page 322: ...verse ARP RTS Request to Send 2 response from Inverse ARP RTS Mask Network mask used during routing to determine the portion of the IP address associated with the network Each entry is two lines on the screen with the Mask on the second line under the associated IP Network If the screen is filled with information you will be asked whether you want to display more Pressing F2 will display a screen ...

Page 323: ... will be FALSE Intf Interface IP interface The IPX RIP table displays data verbatim Non ASCII data might be dis played on some server types SAP Table To display the contents of the SAP Table press B at the Protocol Status Displays Menu or C F B from the Main Menu Each entry will contain the following Name includes the name assigned to the server the node identifier and the address socket Router Ad...

Page 324: ......

Page 325: ...ssages is the total number of frames queued on the RLP Received frames per sec 10 is the number of frames received on the RLP per second over the five second reporting interval multiplied by 10 Node Name node_xyz RLP Statistics Report RLP 0 Report Interval sec 5 Start Time 4 21 1997 09 41 49 CDSTATISTICS NAME CURR MAX DATE TIME A Percentage of Buffers in Use 75 80 4 21 1997 09 45 19 B Number of Qu...

Page 326: ...a threshold that when crossed causes an alarm to be sent to the collecting node Press A at the Statistics Menu When prompted enter Statistic level L for RLP RLP 0 on FRX4000 0 7 on FRX6000 A menu similar to the following figure will be displayed Figure 20 2 RLP Statistics Configuration Menu E A from Main Menu Changing a threshold changes the database value Press F7 to write the change to system me...

Page 327: ...istently greater than zero indicates line problems Logical rejects sec 10 sum of Rejects and Frame Rejects received on the port per second over the five second reporting interval multiplied by 10 A value consistently greater than zero indicates line problems Transmit error ratio ratio of retransmitted frames per second to successfully transmitted frames per second on the port Receive error ratio r...

Page 328: ...ll be displayed Figure 20 4 Port Statistics Configuration Menu E A from Main Menu Changing a threshold changes the database value Press F7 to write the change to system memory A threshold is either a number or a percentage depending on the statistic The valid range for any statistic is 0 65535 Default 0 When the measured value for the sta tistic crosses the threshold in either direction an alarm i...

Page 329: ...multiplied by 10 BECN sec 10 number of frames transmitted received with the BECN Backward Event Congestion Notification bit set per second over the five second reporting interval multiplied by 10 LMI sec 10 number of frames transmitted received using LMI frame man agement per second over the five second reporting interval multiplied by 10 ANXD sec 10 number of frames transmitted received using Ann...

Page 330: ...ered acknowledgment un numbered response DISC disconnect un numbered command DM disconnect mode un numbered response FRMR frame reject un numbered response REJ reject supervisory command or response RR receive ready supervisory command or response RNR receive not ready supervisory command or response INFO information information transfer command Frame Relay Utilization Statistics Frame Relay Utili...

Page 331: ... of the port Frames Xmit total number of frames transmitted on the port since the last IPL of the node or enabling of the port BAG Bandwidth Allocation Group Conf Act Percentage configured and actual percentages of bandwidth used by traffic assigned to each group Actual bits sec current bandwidth usage by traffic assigned to each group Node Name node_xyz Frame Relay Utilization Statistics RLP 0 CI...

Page 332: ... and protocol drivers are linked to enable communication between them Open the OpenAdapter function which activates the adapter s network connection is enabled Node Name node_xyz LAN Card Statistics Display Card Number 0 Type Ethernet MTU 1500 Report Interval sec 5 Current Time 6 05 97 10 32 45 Hardware Status Fully Operational MAC Status Bound Open Packet Filters Directed Multicast or Group Funct...

Page 333: ...e Errors In is the number of errors received over the interface Ethernet Specific Statistics Alignment Errors is the number of frames with FCS frame check sequence errors due to non integral lengths Xmt w 1 Coll is the number of frames that were transmitted after one collision with a frame transmitted from another node Overrun Errors is the number of frames that were not accepted due to DMA direct...

Page 334: ...to a timeout or reception of another frame Underruns is the number of frames that were not accepted due to DMA direct memory access underrun errors No Buff Avail is the number of frames that could not be received repeated due to lack of buffer space A C Errors is the number of AMP and SMP MAC frames with AC ARI FCI equal to zero when an intervening AMP MAC frame was not received Bridge Port Statis...

Page 335: ...y OutFrames is the number of transmitted frames InCfgShort is the number of received Configuration BPDUs Bridge Protocol Data Units that were dropped because they were too short OutCfgBPDU is the number of transmitted Configuration BPDUs MTUExceeded is the number of frames discarded because of excessive size InDiscards is the number of incoming frames that were discarded because they did not match...

Page 336: ...that specified in the header Unkwn Protocol is the number of datagrams received using an unknown or unsupported protocol Pkt Too Small is the number of datagrams received that were discarded because the IP header would not fit into a single buffer Pkts Delivered is the number of datagrams delivered to an application e g SNMP on this node Node Name node_xyz IP Statistics Display Report Interval sec...

Page 337: ...ode ICMP messages are encapsulated with IP headers and transmitted with the IP traffic Press D at the Statistics menu and when prompted enter a Report Interval 5 65535 seconds Default is 5 Figure 20 10 ICMP Statistics Display E D from Main Menu Node Name node_xyz ICMP Statistics Display Report Interval sec 5 Current Time 6 17 1997 14 23 45 STATISTIC CURR CUMULATIVE STATISTIC CURR CUMULATIVE ICMP E...

Page 338: ... of outgoing datagrams that could not be delivered because the destination device network was not reachable a nec essary protocol was not running or fragmentation was necessary but disallowed due to the don t frag flag being set The message text says Outgoing if this node is a point in the path of the datagram and Incoming if the datagram origi nated at this node Out In Pkt Lost is the number of d...

Page 339: ... In Time Rsp is the number of responses received by this node to timestamp requests Out Info Req is the number of requests to other entities in the IP path for the IP address of the network to which they are attached In Info Req is the number of requests received from a host for the IP address of the network to which this node is attached Out Info Rsp is the number of responses sent by this node t...

Page 340: ... Out is the number of packets received transmitted via a multicast address over the interface Errors In is the number of errors received over the interface Errors Out is the number of errors transmitted over the interface Q Dropped In is the number of incoming Q packets that were dropped Unknwn Protocol is the number of frames that were not accepted because they contained an unknown protocol Colli...

Page 341: ...ork address The network address configured for the interface will be used Path Not Fnd Pkt is the number of RIP packets that cannot be transmitted because a route to the destination network cannot be found RIP Pkts Tx is the number of RIP packets transmitted on the interface RIP G_Query Tx is the number of RIP General Queries transmitted on the interface Node Name node_xyz IPX Statistics Display P...

Page 342: ...RIP messages broadcast from this node to update the network with any changes in routes RIP INV Net Rcv is the number of RIP packets received with an invalid network address one that does not match the network address configured on the interface These packets will be discarded RIP Worse Rt Rcv is the number of RIP packets received containing routing updates that are less efficient worse than the ro...

Page 343: ...information in the server infor mation table SAP Ukn G_Query is the number of SAP General Queries received with an invalid packet size These packets will be discarded SAP Ukn N_Query is the number of SAP Nearest Queries received with an invalid packet size These packets will be discarded SAP Ukn G_Resp is the number of SAP General Responses received with an invalid packet size These packets will b...

Page 344: ... the IPX stack Rcv Header Error is the number of IPX packets received with incorrect header information The header should be 30 bytes and contain network node and socket addresses for source and destination Ukn Sockets Rcv is the number of socket numbers received that could not be identified Some socket numbers assigned by Novell are 0451 NCP Process 0452 SAP Process 0453 RIP Process 0455 NetBIOS ...

Page 345: ...rd Keeping the default password is recommended These will be used by other nodes to place a call 4 If you want this node to route all events including its own to another device such as a printer specify a Primary Alarm Output ID and Primary Alarm Output Pwd Password Keeping the default password is recommended Note that the password serves no function if a printer is specified 5 If you want this no...

Page 346: ...x Congestion the node adds the event message Beginning of congestion to the buffer No more events are put into the buffer until it has reached Min Congestion at which time another message End of congestion n events lost is put into the buffer and all events are again put into the buffer When the collecting node s event buffer reaches Max Congestion events are held in the originating nodes buffers ...

Page 347: ...sages will continue to be sent to any destinations specified by the param eters described earlier in this chapter While this feature is activated you cannot perform other operations on the screen Also if the Primary Alarm Output device is unreachable no local events will be displayed A display at a collecting node looks like the example shown below A display at a sending node will show only that n...

Page 348: ...ers may be adequate Event Messages A list of event messages follows with each message s meaning and any action to be taken The list is modified as necessary to include additional events As shown in the example under Displaying Events on page 21 3 each message is preceded by the RLP FRX6000 only and port numbers If the recommended action does not correct a problem contact Cabletron Systems Technica...

Page 349: ...eived an improperly addressed frame from the subscriber This situation usually occurs when the port and subscriber devices are both con figured as logical DCEs or logical DTEs Action Modify the Port record so that one end of the connection is a logical DCE and the other is a logical DTE 219 Illegal TC Gen Clk Combination Severity 1 Meaning The software has determined that a port is set to run at a...

Page 350: ...is happens frequently you may need to reroute some traffic 308 RLP Rej Frm Sec exceeded T n C n Severity 4 Meaning The RLP statistic Rejected Frames Sec 100 has exceeded the threshold T n that was set by the user C n is the current value Action If this happens frequently check the line for noise and check for configuration errors on both the port and the connected device 309 RLP Rtrn Frm S exceede...

Page 351: ...ems Action If this happens frequently check the line for noise and check for configuration errors on both the port and the connected device 315 Log Rej Sec exceeded T n C n Severity 4 Meaning The port statistic Logical Rejects Sec 100 has exceeded the threshold T n that was set by the user C n is the current value Logical Rejects are the sum of Rejects and Frame Rejects A value consistently greate...

Page 352: ...ded T n C n Severity 4 Meaning The port statistic Transmit Port Util Utilization has exceeded the threshold T n that was set by the user C n is the current value Percent of Transmit Port Utilization is the ratio of non flag characters to total characters being received by the port Action If this happens frequently you may need to add ports or reroute some traffic 338 Receive Yellow Alarm Condition...

Page 353: ...onnected and level 2 cannot be established For SNA TPAD this means that an XID command frame has been issued by the TPAD but either there has been no response or the received XID data does not match the XID data configured for the TPAD subscriber For SNA HPAD this means that no XID or SNRM command frame has been received for any link address con figured for the HPAD subscriber Action Check the har...

Page 354: ... subscriber The link is ready to establish an X 25 connection with the remote HPAD For SNA HPAD this means that an XID or SNRM command frame has been received for at least one of the link addresses configured for the HPAD subscriber The link is ready to establish an X 25 con nection with the remote TPAD Action None 407 Call Clr LCN n cc n dc n Severity 4 Meaning Self explanatory See Appendix B for...

Page 355: ... more events will be put into the event buffer until the Min Congestion level also specified in Node Defaults has been reached Action If this occurs frequently you may want to increase the level of Maximum Congestion specified in Node Defaults 415 End of Congestion n events lost Severity 4 Meaning The Minimum Congestion level has been reached See event 414 Action None 416 PAD Autocall Retries Exha...

Page 356: ...ll come up Action Check the database records for the duplicate configuration and change one or more of the records 429 File Update FRDLCI DAT Severity 4 Meaning The Frame Relay DLCI configuration file has been updated Action None 430 Received Port Disable Request Severity 1 Meaning Self explanatory Action None however all users of this port should be made aware of the disable 431 Received Port Dum...

Page 357: ...s received an event with an invalid format Action None 438 DOS Error Handler Exceeded Limit Severity 2 Meaning The FRX6000 was performing a DOS operation and for some reason could not reach DOS Action Reboot the node and watch for error messages during boot up If the problem persists contact Cabletron Systems Technical Support See page 21 4 439 Database Error Access Restricted Severity 1 Meaning T...

Page 358: ...ted Action None 446 Pad Profile File Upd PROFILE DAT Severity 4 Meaning The Async PAD Profile file has been updated Action None 447 PVC Config File Upd PVCSUB DAT Severity 4 Meaning The PVC Subscriber file has been updated Action None 448 Rmt Subscriber File Upd RSNSVC DAT Severity 4 Meaning The Remote Subscriber file has been updated Action None 449 Subscriber File Upd SVCSUB DAT Severity 4 Meani...

Page 359: ...454 Remote Update File Upd UPDATE TXT Severity 4 Meaning A software update has been sent Action None 455 Login Password Changed Severity 4 Meaning Self explanatory Action None 456 Operator Logged into Node Severity 4 Meaning An async terminal operator has logged into the node via an async PAD port Action None 457 Operator Logged out of Node Severity 4 Meaning The async terminal operator has logged...

Page 360: ...e 462 SNMP Trap File Upd TRPPAR DAT Severity 4 Meaning The SNMP Trap Routing file has been updated Action None 463 SNMP Community File Upd COMPAR DAT Severity 4 Meaning The SNMP Community Table file has been updated Action None 464 RLP Buf Usage Under Threshold Severity 4 Meaning The situation that caused event 304 has ended Action None 465 RLP Msg Queued Under Threshold Severity 4 Meaning The sit...

Page 361: ... None 471 Rcv Frm Sec Under Threshold Severity 4 Meaning The situation that caused event 311 has ended Action None 472 Tran Frm Sec Under Threshold Severity 4 Meaning The situation that caused event 312 has ended Action None 473 ReTran Frm Sec Under Threshold Severity 4 Meaning The situation that caused event 313 has ended Action None 474 FCS Rej Sec Under Threshold Severity 4 Meaning The situatio...

Page 362: ...ded Action None 480 Delete failed nonexistent interface n Severity 4 Meaning An IP Interface database record was created for a non existent interface Someone then deleted the record using F4 which caused this message to be generated 481 No mem avail processing intface n Severity 3 Meaning The RLP did not have enough available memory to add the specified interface Action Contact Cabletron Systems T...

Page 363: ...Systems Technical Support See page 21 4 489 Route with destination n mask n router n deleted successfully Severity 4 Meaning Self explanatory 490 Error adding route with destination n mask n router n Severity 3 Meaning Self explanatory Action Contact Cabletron Systems Technical Support See page 21 4 491 Route with destination n mask n router n added successfully Severity 4 Meaning Self explanatory...

Page 364: ...t B A C from the Main Menu and normal operation should be established 501 BPAD Invalid Pkt n PL Severity 3 Meaning An invalid packet has been received disabling the port Action Take the same action as for message 500 502 BPAD Invalid MSG n Link Severity 3 Meaning An invalid message has been received disabling the port Action Take the same action as for message 500 503 BPAD Invalid MSG n Exchange S...

Page 365: ...r and or type specified in the Port record is not valid for BSC Interactive Action Check the Port record 516 BSCI Invalid message transfer Severity 3 Meaning Self explanatory This error disables the port Action Take the same action as for message 500 517 BSCI Invalid circuit operations Severity 3 Meaning An invalid operation has occured and has disabled the port Action Take the same action as for ...

Page 366: ... RLP n Port n Severity 3 Meaning Self explanatory Action Correct the line speed in the Port record 530 I FRM Blocked Remote Busy Timeout Severity 2 Meaning An RNR Receive Not Ready condition on the port has been cleared by expiration of the Remote Busy Timer which caused the port to be reset Action Check the user device for a problem that caused the RNR 531 I FRM Blocked No Acks from Remote Severi...

Page 367: ...se to STATUS ENQ Severity 3 Meaning There was no response to a status enquiry from the DTE Action Check the status of the DCE 537 DLCI n Flow Control On Severity 3 Meaning Flow control has been implemented on a frame relay port and data is queued Action None 538 DLCI n Frame Discarded Flow Ctl Severity 3 Meaning Self explanatory Action The frame must be resent 539 DLCI n Line does not exist Severi...

Page 368: ...E was exceeded Action The frame must be resent 545 DLCI n frame relay PVC deleted Severity 4 Meaning Self explanatory Action None 546 DLCI n frame relay PVC connected Severity 4 Meaning Self explanatory Action None 547 DLCI n Data Received on Inactive PVC Severity 3 Meaning One end of the PVC is probably not up Action Check both ends of the PVC 548 DLCI n No STATUS ENQ Received Severity 3 Meaning ...

Page 369: ...ile has been updated Action None 640 Bridge Filt Def File Upd BRGFLTD DAT Severity 4 Meaning The Bridge Filter Definitions file has been updated Action None 641 Bridge Filt App File Upd BRGFLTAP DAT Severity 4 Meaning The Bridge Filter Applications file has been updated Action None 642 IPX Interface File Upd IPXISUB DAT Severity 4 Meaning The IPX Interfaces file has been updated Action None 643 La...

Page 370: ... 652 Receive Remote Alarm condition set Severity 2 Meaning The remote device is not receiving the signal from the local device Action Check the T1 E1 cable at the local end of the connection If it is securely connected and everything else appears operational contact your carrier 653 Receive Loss of Sync condition Cleared Severity 4 Meaning The situation that caused event 650 has been fixed However...

Page 371: ... Action None 705 SDLC Stn rcvd FRMR IFLD invalid Severity 2 Meaning The remote device received an unpermitted I frame and responded with a Frame Reject Action None 706 SDLC Stn rcvd FRMR Nr invalid Severity 2 Meaning The remote device received a frame with an invalid N r and responded with a Frame Reject Action None 707 SDLC Stn rcvd FRMR Ifld too long Severity 2 Meaning The remote device received...

Page 372: ...e SNA Port record has expired Action Check the PU to make sure it is operational 713 SDLC XID Retries exhausted Severity 2 Meaning The retry limit for XID has been exceeded and link establishment has failed Action None 714 SDLC Rem Stn sent FRMR no reason Severity 2 Meaning The remote station sent a Frame Reject with no reason Action None 715 SDLC Remote RNR limit exceeded Severity 2 Meaning The r...

Page 373: ...Action Check the modem to make sure it is operational 736 SDLC LLC 2 Remote Link Stn lost Severity 2 Meaning The remote station is not responding Either the Inactivity Timer Ti or Acknowledgment Timer T2 has expired Action Check the remote station to make sure it is operational 737 LLC 2 DM Received Severity 2 Meaning The remote station sent a Disconnect Mode response and the logical link is down ...

Page 374: ...d IFLD too long Severity 2 Meaning The remote device received an I frame that was too long and returned a Frame Reject Action None 743 LLC 2 FRMR Rcvd Invalid Command Severity 2 Meaning The remote device received an invalid command or response and returned a Frame Reject Action None 744 LLC 2 FRMR Sent IFLD not permitted Severity 2 Meaning The remote device sent an I frame when it was not permitte...

Page 375: ... Action None 759 Excessive Link CRC errors Severity 2 Meaning Self explanatory The line will be shut down and re establishment will be re tried one every minute Action None 761 SDLC Transmit link error Severity 2 Meaning Self explanatory The line will be shut down and re establishment will be re tried later Action None 762 SDLC Link Stn rcv FRMR Unexp IFLD Severity 2 Meaning The remote station rec...

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Page 377: ...Section IV Appendices ...

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Page 379: ...login password defined in the Async PAD Login record 3 The Async PAD banner see page A 5 will be displayed at the top of the terminal screen The terminal is now in Command mode described in the next paragraph Command and Data Transfer Modes The async terminal has two modes of operation Local operations at the async terminal are performed in Command mode In Data Transfer mode the PAD interprets all...

Page 380: ...HELP Gnn Z Y R N Selection parameters used to represent facilities in Call Request packets unless they are specified in autocall Call Requests Gnn CUG nn is the CUG number Z Group Send Y Priority R Reverse Charging N NUI Port displays the RLP and port number to which you are connected and the called and calling addresses Placing a Call from an Async Terminal One way to place a call is simply to en...

Page 381: ...gnals described later in this appendix To send data once you are in Data Transfer mode simply enter the data To clear a call enter Command mode and type clr Enter The async terminal will display CLR conf Async PAD Service Signals Transmission of PAD service signals is determined by async PAD profile parameter 6 Asterisk is normally the PAD prompt character nnnnn COM means that a vitual circuit has...

Page 382: ...rate at which characters are being received by the port resulting in loss of characters Enabling XON XOFF flow control async PAD profile parameter 5 usually corrects this error PAGE indicates that a page wait condition async PAD profile parameter 22 has occurred PARITY ERROR indicates a parity error on the port due to either noise on the channel or an incompatibility between the parity settings of...

Page 383: ...CII and Esc characters The Esc characters can be used to activate ANSI screen functions for line drawings enhanced characters etc Copy the file to the OMNI4000 directory then reboot the node and the new banner will be in effect Error Codes Sent to Async PAD Port Clearing Causes OCC Number Busy NC Network Congestion INV Invalid Facility NA Access Barred ERR Local Procedure Error RPE Remote Procedur...

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Page 385: ...iption 00 00 80 128 DTE DTE originated 01 01 81 129 OCC Number busy 02 02 82 130 none Password error remote control file transfer or alarm routing 03 03 83 131 INV Invalid facility request 04 04 84 132 Remote control attempted while non interrupable operation in progress 05 05 85 133 NC Network congestion 09 09 89 137 DER Out of order 0B 11 8B 139 NA Access barred 0D 13 8D 141 PAD Not obtainable 1...

Page 386: ...e SVCs and PVCs through the port are cleared The restart cause sent in a Restart packet provides a high level indication of why the port was restarted From DCE From DTE Hex Dec Hex Dec Description 00 00 80 128 Local procedure error 03 03 83 131 Network congestion 07 07 87 135 Network operational 7F 127 FF 255 Registration cancellation confirmed Diagnostic Codes X 25 Codes These diagnostic codes ar...

Page 387: ...acility 2B 43 Unauthorized interrupt confirmation 2C 44 Unauthorized interrupt 2D 45 Unauthorized reject 2F 47 No channel available 30 48 Time expired 31 49 Time expired for incoming call 32 50 Time expired for clear indication 33 51 Time expired for reset indication 34 52 Time expired for restart indication 40 64 Call set up call clearing or registration problem 41 65 Facility Registration code n...

Page 388: ...ed command 98 152 Link down Codes Specific to Cabletron Frame Relay Access Devices Hex Dec Description 80 128 Invalid user data version mismatch 81 129 Call cleared because of call looping or Local or remote subscriber not defined 82 130 Call cleared because port is quiesced or MAC SAP combo in use 83 131 Out of memory for control block 84 132 Out of resources no more control block available 85 13...

Page 389: ...Cause and Diagnostic Codes B 5 Hex Dec Description 93 147 Timer TConn expired 94 148 Invalid LPDU F4 244 Connection rejected transient condition ...

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Page 391: ...in the form of NMVTs network management vector transports The service point function translates information from the node into NMVTs and responds to the host Four types of NMVTs can be transmitted RUNCMDs commands from the host to execute specified operations Three types of command are supported Display used to display status and configuration information Vary used to change the active inactive st...

Page 392: ...described later in this chapter The various operations work as follows To send commands from the keyboard select Read From Keyboard then enter the desired command s If you want to create a batch file of the commands you send specify the desired Input File Name then specify ON for Write To File If you do not want to create a batch file make sure Write To File is OFF To repeat the last command you e...

Page 393: ...record n n n are options that can be specified if a line name was entered and puname is the PU Name from the PU Parameters screen of the SNA Port record Display Commands DISPLAY ID Function Displays the active inactive status of specified PUs Command D NET ID linename A E I N puname Options A all active PUs on the line E all PUs on the line I all inactive PUs on the line N only the line status no ...

Page 394: ...r a specified line if a PU is not specified There are two MODIFY CONFIG commands F NET CONFIG ID nnnn will update the System Memory value s in the FRX4000 6000 record for the SNA Port or LLC2 Host depending on the parameter The changes will be in effect until an on line database update or re IPL of the node is performed or an F NET CONFIG COMMIT see below is sent F NET CONFIG COMMIT will update th...

Page 395: ...MAC Address 0 FFFFFFFFFFFF IDBLK IDBLK 0 FFF IDNUM IDNUM 0 FFFFF LANTI Ti 1 50 sec LANT1 T1 0 250 ms LANT2 T2 100 5000 ms LANN2 N2 0 255 LANN3 N3 1 127 LANTW Tw 1 127 BAG Bandwidth Allocation Group 0 16 MAXDATA Maxdata 25 4105 Command F NET CONFIG COMMIT Option COMMIT will update the FRX4000 6000 database value s with all changes made since the last COMMIT on line update of the record or node IPL ...

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Page 397: ...2 014 0C Ctrl L CR 013 015 0D Ctrl M SO 014 016 0E Ctrl N SI 015 017 0F Ctrl O DLE 016 020 10 Ctrl P DC1 017 021 11 Ctrl Q DC2 018 022 12 Ctrl R DC3 019 023 13 Ctrl S DC4 020 024 14 Ctrl T NAK 021 025 15 Ctrl U SYN 022 026 16 Ctrl V ETB 023 027 17 Ctrl W CAN 024 030 18 Ctrl X EM 025 031 19 Ctrl Y SUB 026 032 1A Ctrl Z ESC 027 033 1B Ctrl FS 028 034 1C Ctrl GS 029 035 1D Ctrl RS 030 036 1E Ctrl til...

Page 398: ... 3E 063 077 3F a 064 100 40 A 065 101 41 B 066 102 42 C 067 103 43 D 068 104 44 E 069 105 45 F 070 106 46 G 071 107 47 H 072 110 48 I 073 111 49 J 074 112 4A K 075 113 4B L 076 114 4C M 077 115 4D N 078 116 4E O 079 117 4F P 080 120 50 Q 081 121 51 R 082 122 52 S 083 123 53 T 084 124 54 U 085 125 55 V 086 126 56 W 087 127 57 X 088 130 58 Y 089 131 59 Z 090 132 5A 091 133 5B 092 134 5C 093 135 5D c...

Page 399: ... i 105 151 69 j 106 152 6A k 107 153 6B l 108 154 6C m 109 155 6D n 110 156 6E o 111 157 6F p 112 160 70 q 113 161 71 r 114 162 72 s 115 163 73 t 116 164 74 u 117 165 75 v 118 166 76 w 119 167 77 x 120 170 78 y 121 171 79 z 122 172 7A 123 173 7B pipe 124 174 7C 125 175 7D tilde 126 176 7E DEL 127 177 7F ...

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Page 401: ...iew IPX Filter Definitions B Configure IPX Filter Definitions C Review IPX Filter Applications D Configure IPX Filter Applications E On Line Update IPX Filter Definitions and Applications F Review Bridge Filter Definitions G Configure Bridge Filter Definitions H Review Bridge Filter Applications I Configure Bridge Filter Applications J On Line Update Bridge Filter Definitions and Applications G On...

Page 402: ...ure Connections and Routing Paths A Review Subscriber IDs B Configure Subscriber IDs C Review Abbreviated Addresses D Configure Abbreviated Addresses E PVC Configuration frame relay X 25 async A Review PVC Configuration B Configure PVCs F Review IP Routing G Configure IP Routing H Review IPX Routing I Configure IPX Routing E Configure Frame Relay Backup Groups A Review Frame Relay Backup Groups B ...

Page 403: ...s H NetView Access I CSU DSU Tests A Self Test B Pattern Generation Test J Frame Relay Backup Operations A Initiate Switching Primary DLCI Over to its Backup B Initiate Switching DLCI Back to the Primary C Status Displays A Node Status B Port Status C Virtual Connections D Port Signals E Traffic Monitor A Port Monitor B LAN Capture Status and Control Menu C LAN Capture Review F Protocol Status A I...

Page 404: ...play ICMP Statistics E Display IP Interface Statistics F Display IIPX Interface Statistics G Display ILAN Card Interface Statistics H Display Frame Relay Utilization Statistics F Reports A Create Configuration Report B View Configuration Report C View Initialization Report D View Previous Initialization Report ...

Page 405: ...Menu Structure E 5 ...

Page 406: ...E 6 FRX4000 FRX6000 4 0 User Guide Rev 01 ...

Page 407: ...merican Standard Code for Information Interchange ASCII terminal is a VT100 or compatible video display terminal Async stands for asynchronous Asynchronous describes terminals printers and other devices that transmit data in a discontinuous character stream it also describes the protocol used to interconnect such devices Auxiliary Console is an async terminal connected to a serial port configured ...

Page 408: ...ransmitting data between devices C Call is a request for connection between two DTEs each using a logical channels across the DTE DCE interface Checksum is an arithmetic sum used to verify the integrity of bits of data A bad checksum means that the data is corrupted An IP checksum is calculated only for the IP header and is re calculated each time the datagram is transmitted Cluster controller is ...

Page 409: ...ialup modem Dotted Decimal Notation is the syntactic representation for a 32 bit integer consisting of four 8 bit numbers in base 10 separated by periods This format is used for IP addresses DSAP stands for destination service access point which is the address of the link service access point LSAP to which a link protocol data unit LPDU is sent DTE stands for data terminal equipment which is the d...

Page 410: ...twork that does not support the full size If IP fragments the data grams they will be reassembled at the final destination if another protocol fragments them for example to pass through an X 25 network they will be reassembled at the other side of that network Frame is a unit of data transmitted between OSI level 2 entities and containing its own control information for addressing and error checki...

Page 411: ...is a Novell NetWare connec tionless protocol that defines internetwork and intranode addressing schemes L LAN stands for local area network which is a network operating over short distances at high speeds LCN stands for logical channel number which is used as an identifier for a virtual circuit between a DTE and a DCE Level 2 is the link layer in the ISO International Standards Organization 7 laye...

Page 412: ...ayer in the three layer ISO LAN protocol hierarchy The first layer is Physical and the third is LLC LLC is described in this glossary MAC supports medium dependent functions and uses the services of the physical layer to provide services to LLC M Bit is the more data bit in an X 25 packet and indicates that more information related to the packet will follow N Network is a series of points connecte...

Page 413: ... between two communications devices PU stands for physical unit which is an IBM referenced to any SNA host or terminal device Public Data Network see PDN PVC stands for permanent virtual circuit which is a permanent logical connection between two subscribers analogous to a leased line Transmission of packets on a PVC needs no call setup or call clearing Q QLLC is Qualified Logical Link Control whi...

Page 414: ... anced circuits RS 530 is an EIA standard that provides RS 449 capabilities in the same DB 25 connector used for RS 232 S SAP stands for Service Advertising Protocol or Service Access Point Service Adver tising Protocol allows routers and servers to exchange internetwork service infor mation e g locations and availability of file and print servers which connect to the network at Service Access Poi...

Page 415: ...round the ring until taken by a station which inserts a packet then retransmits the token TPAD is an integral SNA or BSC PAD connected to a terminal Trunk is a physical or logical link between nodes V V 35 is a CCITT standard defining a physical and electrical interface that is typically used by high speed digital carriers Virtual circuit is an independent logical path between two subscribers of a...

Page 416: ...mode terminal to an X 25 network XPAD is an integral transparent SNA PAD It can be used to network any SNA device that can be networked using any of the other SNA PAD types It can be considered a fully transparent PAD for synchronous protocols however it is not intended for this use because special application programs would have to be resident on the host ...

Page 417: ...l 10 8 11 7 Autocall 9 11 12 12 BSC Batch 11 7 BSC Interactive 10 8 Autocall Delay 12 12 Autocall Retry Count 9 11 Autocall Retry Time 9 11 B Backup Group Number 7 19 Backup status frame relay 19 19 Bandwidth Allocation Group 4 9 8 17 9 14 9 24 9 30 13 12 14 13 15 15 Bandwidth Allocation Groups configuring 7 6 Base Chl Speed 5 5 5 12 Bcast Addr 13 14 BECN Recovery Count 7 19 Bit swapping 9 22 Bits...

Page 418: ...ations 3 1 Database and system memory values 4 2 6 3 Date changing 2 11 DCE Cable Attached 12 11 Default Calling Address 8 11 8 19 12 12 Default Ethernet Frame Type 15 5 Default Packet Size 8 11 8 19 Default Window Size 8 11 8 19 Del 13 7 Delay Retry Count 11 6 Delay Timer 11 6 Delete BSC subscriber 10 3 11 7 Delete CUG 8 21 Delete 7 23 Deleting a database record 2 9 Destination IP Address 13 12 D...

Page 419: ...es operating 18 11 Filter 14 7 Filter n 14 9 15 11 Filter Applications Bridge 15 10 IPX 14 8 Filter Definitions Bridge 15 6 IPX 14 3 Filter masks 15 7 IPX 14 4 Filter Name 14 5 Bridge 15 8 15 9 15 10 IPX 14 5 14 6 Flow Control async PAD 12 5 RTS CTS 12 13 Flow Control Negotiation 8 10 8 18 For Backup Use Only 7 18 Format 9 29 15 15 Forwarding table Bridge displaying 19 23 Frame relay 7 1 backup 7 ...

Page 420: ... route configuring 14 16 IPX statistics displaying 20 17 IPX configuring 14 1 IPXWAN Enabled 14 15 Istatus 9 11 L L1 Duplex 9 10 L2DatMode 9 12 LAN Card 9 29 15 14 statistics displaying 20 8 LAN Card Number 13 13 14 16 LAN ID 9 30 15 15 LAN interfaces Frame Relay Module configuring 5 14 FRX4000 1 3 FRX6000 1 4 LAN ports FRX4000 configuring 5 6 Learned DLCIs viewing 7 13 Line Build Out 5 5 5 12 Lin...

Page 421: ...rk Mask 13 13 Network trunk configuring 8 5 No Data Poll Period 9 9 No Resp Poll Period 9 9 No Response Retry Count 10 7 11 6 No Response Timer 10 7 11 6 Node Address Value 14 6 Node Defaults 4 1 Bridge 15 3 IPX 14 2 Node Name 2 6 4 3 Node status displaying 19 1 NRZ 9 10 Ntnl Use Bit n 5 6 Num of Chnls 5 5 5 12 5 13 O Offset 15 8 On line change F7 2 9 On Line Temporary Changes 9 24 Operator interf...

Page 422: ...9 Receive Break Signal 12 4 Redirect on Busy 8 26 Redirect on Out of Order 8 26 9 16 10 10 11 10 12 17 Redirection Address 8 26 9 16 10 10 11 10 12 17 Remote control 18 1 Remote Control ID 4 4 Remote Control Pwd password 4 4 Remote DLCI 7 19 Remote file transfer 18 4 Remote Port 7 19 Remote RLP 7 19 Remote software update 18 5 Remote Sub 10 7 11 7 Remote Subscriber ID 4 7 9 11 9 25 REPORT TXT 3 10...

Page 423: ...Network Value 14 7 Source Node Value 14 7 Source Port 13 12 14 15 Source Socket Value 14 7 Source Subscriber 13 13 Special Forwarding Char 12 14 Speed in async PAD profile 12 5 Sq 9 25 15 8 Sq Sequence 10 7 11 7 SRB ID 15 5 SSAP Value 15 9 Starting Chl Numbe 5 12 5 13 Starting Chl Number 5 5 Static routes IPX 14 16 Statistics frame relay utilization 20 6 frame level 20 5 ICMP 20 13 IP 20 12 IP int...

Page 424: ...ffic monitor 19 7 Translation template testing 8 32 Translation templates 8 27 Transparent Text Supported 10 4 10 13 11 5 Transport Time 14 14 14 17 Trap routing configuring 16 4 severity levels for 21 4 Tw 4 9 9 13 9 24 Type 5 15 U Unnumbered Interface 13 12 Updating software 18 5 User Data 12 12 V Value 15 8 VC to be Cleared After Disc 11 7 Virtual connections displaying 19 3 Virtual LAN ID 9 17...

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