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vi

Frame Relay Module 4. 0 User G uide, Rev 01

Chapter 7

Configuring Frame Relay

Introduction ..............................................................................................  7-1

DLCI Sharing.....................................................................................  7-1
Frame Relay Backup..........................................................................  7-2
Required Configuration .....................................................................   7-5

Configuring Bandwidth Allocation Groups.............................................  7-6

Bandwidth Allocation Group  Parameters..........................................   7-7
Configuration Example......................................................................  7-8

Configuring Frame Relay Ports................................................................  7-9

Reviewing DLCI Configuration (Figure 7-4, Item C).....................  7-10
Configuring DLCI Parameters (Figure 7-4, Item D).......................  7-12
Viewing  Learned  DLCIs (Figure 7-4,  Item E) ................................  7-13
Frame Relay Port Parameters ..........................................................  7-14

Configuring Frame Relay PVCs Across the Node.................................  7-19

Frame Relay PVC Parameters .........................................................  7-20

Configuring Frame Relay Backup Groups.............................................  7-21

Backup  Group Parameters...............................................................  7-22

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 Parameters ..........................................................  8-7

Configuring Logical X.25 Ports.............................................................  8-14

Logical Port Parameters...................................................................  8-15

Configuring Subscriber IDs ...................................................................  8-21

Subscriber Addressing.....................................................................  8-22
Hunt Group Example.......................................................................  8-24
Subscriber Parameters......................................................................  8-25

Configuring X.25 Address Translation Templates ................................  8-27

Translation  Template Parameters ....................................................  8-29
Replacing Called/Calling Address or User Data .............................  8-30
Replacing Protocol ID .....................................................................  8-31
Replacing Facilities .........................................................................  8-31
Translation Examples ......................................................................  8-31
Testing a Translation Template .......................................................  8-32

Configuring X.25-to-X.25 PVCs ...........................................................  8-33

X.25 PVC Parameters......................................................................  8-33

Chapter 9

Configuring SNA

Introduction ..............................................................................................  9-1

Required Configuration .....................................................................   9-3

Configuring an SNA Port.........................................................................  9-3

SNA Port Parameters.........................................................................  9-6

Configuring Subscriber IDs ...................................................................  9-14

Subscriber Parameters......................................................................  9-15
Configuring a Hunt Group for SNA Subscribers.............................  9-17

Configuring LLC2..................................................................................  9-18

Содержание FRM

Страница 1: ...Frame Relay Module for the SmartSwitch 9000 User Guide For Release 4 0 09 41 06 169 01 The Complete Networking Solution T M ...

Страница 2: ...t of substitutegoods 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 Univ...

Страница 3: ...inks to other places in the manual This symbol points to an informationalnote relating to the text table or figure that immediately precedes or follows it Thissymbol and text identifiesa cautionary note the content of whichis 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 your keyboar...

Страница 4: ...iv Frame Relay Module 4 0 User Guide Rev 01 ...

Страница 5: ...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 7 Producing a Configuration Report 3 9 Where to Find Configuration Information 3 10 Chapter 4 Configuring Node Wide Default Parameters Node Defaults 4 1 W...

Страница 6: ...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 Parameters 8 7 Configuring Logical X 25 Ports 8 14 Logical Port Parameters 8 15 Configuring Subscriber IDs 8 21 Subscriber Addressing 8 22 Hunt Group Example 8 24 Subscriber Parameters 8 25 Configuring X 25 Address Translation Templates 8 27 Tra...

Страница 7: ...nc PAD Profiles 12 2 PAD Profile Parameters 12 2 Configuring Async PAD Login Parameters 12 6 PAD Login Parameters 12 7 Configuring Async Port Records 12 8 Async PAD Port Parameters 12 9 Configuring Subscriber IDs 12 14 Subscriber Parameters 12 15 Configuring Abbreviated Addresses 12 17 Configuring Async PVCs 12 17 Async PVC Parameters 12 18 Chapter 13 Configuring IP Introduction 13 1 IP Addressing...

Страница 8: ... Configuring SNMP Introduction 16 1 Configuring SNMP System Defaults 16 1 System Defaults Parameters 16 2 Configuring a Community Table 16 3 Community Table Parameters 16 4 Configuring Trap Routing 16 4 Trap Routing Parameters 16 5 Section III Operation Chapter 17 Introduction to System Operation Chapter 18 On line Operations Remote Control 18 1 Remote Control from a 9W004 18 2 Remote Control via ...

Страница 9: ... IP Interfaces 19 25 IPX Status Displays 19 26 RIP Table 19 26 SAP Table 19 27 Chapter 20 Statistics Displays RLP Statistics 20 1 Configuring RLP Statistics Thresholds 20 2 Port Statistics 20 3 Configuring Port Statistics Thresholds 20 4 Frame level Statistics 20 5 Frame Relay Utilization Statistics 20 6 LAN Card Statistics Displays 20 8 Bridge Port Statistics 20 10 IP Statistics Displays 20 11 IP...

Страница 10: ...nt 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 Commands C 3 Display Commands C 3 Vary Commands C 4 Modify Commands C 4 Appendix D ASCII Ch...

Страница 11: ...efault 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 Frame Relay DLCI Configuration Screen 2 7 13 7 8 Frame Relay PVC Configuration 7 20 8 1 X 25 Port Screen 1 8 3 8 2 ...

Страница 12: ...ch 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 5 13 3 LAN IP Interface Secondary Address Configuration 13 6 13 4 IP Routing Record 13 15 14 1 IPX...

Страница 13: ...N 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 7 20 7 LAN...

Страница 14: ...8 4 Translation Template Parameters 8 29 8 5 X 25 PVC Parameters 8 33 9 1 SNA Port Parameters 9 6 9 2 SNA Port PU Parameters 9 7 9 3 Subscriber Parameters 9 15 9 4 LLC2 Host Parameters 9 21 9 5 LLC2 Interface Parameters 9 28 10 1 BSC Interactive Port Parameters 10 4 10 2 BSC Interactive Port Subscriber Parameters 10 5 10 3 Subscriber Parameters 10 8 10 4 Control and Device Unit Addressing 10 11 10...

Страница 15: ...rameters 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 17 15 1 Bridge Node Default Parameters 15 4 15 2 Bridge Generic Filter Parameters 15 8 15 3 Bridge MAC Filter Parameters 15 9 15 4 Bridge SAP Filter Parameters 15 9 15 5 Bridge Protocol Filter Parameters 15 10 15 6 Bridge NetBIOS Filter Parameters 15 10 15 7 B...

Страница 16: ......

Страница 17: ...Section I Getting Started ...

Страница 18: ......

Страница 19: ... and FRX6000 Figure 1 1 Network Example Each FRM is a two slot module that mounts into a SmartSwitch 9000 An FRM can interact with other FRM modules but not with other modules in the SmartSwitch 9000 with the exception of a cable connection from each FRM to a LAN interface module in the SmartSwitch 9000 which provides LAN connectivity to the WAN interfaces on the FRM Each FRM with a video interfac...

Страница 20: ...ations Multiprotocol Support Each FRM supports these routing and access protocols Frame Relay X 25 SNA SDLC SNA LLC2 Bridging IP IPX BSC Async Management Functions Each FRM supports these management functions Local SNMP agent with Sets from network manager on some MIB variables Manageable via Cabletron s Spectrum SPEL or Netlink OmniView NetView Service Point function Control via local monitor rem...

Страница 21: ...t works EachRLP supports up to seven protocols and up to 1024 simultaneous logical terminations A link into one physical logical port on the RLP and out another port counts as two terminations An earlier version of the FRM contains one RLP providing eight serial ports This manual does not document that version although all the same functionality can be found in that FRM except the number of ports ...

Страница 22: ...ox assembly The I O box acts as a splitter that carries signals to four 25 pin connectors The final physical interface depends on the combination of the type of I O cable exiting the I O box The LAN port on each FRM can be connected to a LAN module in the SmartSwitch 9000 as shown in the figure or to an external source FRM Port Type I O Cable Types V 35 V 35 DTE V 35 DCE RS 232 RS 232 DTE RS 232 D...

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

Страница 24: ......

Страница 25: ...me must be reconfigured to match your specific needs 3 Fill in Table 2 1 on page 2 3 to identify the physical interface protocol and connected device on each physical port You will need more information when configuring database records but these tables can be used as convenient refer ences 4 Log into the menu operations if not already done This is described in the FRM Installation Setup Guide as ...

Страница 26: ...ICs which determine the types of physical ports sup ported on the RLP s LIC 1 supports ports 0 3 and LIC 2 supports ports 4 7 Note that because the bus runs across the FRM above RLPs 1 and 2 those cards are installed upside down Figure 2 1 Line Interface Cards LIC 1 RLP 0 LIC 2 RLP 2 LAN 0 LIC 1 LIC 2 LIC 1 LIC 2 RLP 1 ...

Страница 27: ...or Add a T or C to the interface type to record this information 2 All possible protocols are listed below RLP ports 0 3 Frame relay X 25 SDLC BSCI Interactive BSCB Batch Async LAN port 0 IP IPX Bridge LLC2 Note that LAN protocols are assigned to physical frame relay ports via interface records that map the protocols to the physical ports Table 2 1 Port Assignments Card Port Interface 1 Protocol 2...

Страница 28: ...de Namewill become the Remote Control IDconfiguredin Node Defaults on the controlled node Any config uration or control operations will affect that node rather than the local one If the controlled node has a display screen the message Under remote control Keyboard blocked by id n will be displayed where n is the Remote Control ID of the controlling node After the operator presses F1 at the screen ...

Страница 29: ...PT 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 This will show whether the problem w...

Страница 30: ...y 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 8 F1 Select Another Record or Redisplay Refresh Next Record ...

Страница 31: ...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...

Страница 32: ... 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 representedas follows on anASCII terminal keyboard Note that O under Maps to is an escape character followed by an uppercase letter O PC ASCII Keyboard Keyboard ...

Страница 33: ...ge 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 the ne...

Страница 34: ...nnot reboot the device from the initial Port Status Display Youmust 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 leavethe device running Locally an FRM can be rebooted via the recessed Reset button located near the top of the module Shutting Down An FRM cannot be shut down wit...

Страница 35: ...Section II Configuration ...

Страница 36: ......

Страница 37: ...ntrol filetransfer 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 proceedingwith yourconfiguration youshould 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 parameters includ...

Страница 38: ...that 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 A...

Страница 39: ...ce LLC2 PUs over Frame Relay to AS 400 Figure 3 3 Configuration Example 3 Configure the following in the local FRM 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 FRM configure it on the same RLP Frame relay must be configured on each...

Страница 40: ... terminated LLC2Interface Chapter 9 whichdefines an LLC2 ter mination point at the frame relay interface Be sure to configure the format as 8025_SRB or 8023_TB since the AS 400 needs to see the source MAC address which is not passed in the third format Native LLC2 For this example assume the interface number is 0 Note that the remote FRM must have a corresponding originated LLC2 Interface Figure 3...

Страница 41: ...nd contain all the digits of the Local Subscriber ID shown later in this list Host SAP 04 SAP addresses can be04 fe hex in multiples of four Local Subscriber 990 This is the Remote Subscriber ID of Host 2 Remote Subscriber 1010 This is the Local Subscriber ID of Host 2 Type LLC2 Figure 3 5 Remote FRM in Configuration Example 3 Key Points MAC Addresses When entering a host MAC address in an LLC2 Ho...

Страница 42: ... via a virtual bridge LLC2 Host and Interface records act as both origination and termination points for LLC2 For example if you are configuring SDLC to LLC2 conversion to be transmitted over frame relay to a Token Ring host the following is the logical LLC2 record flow SNA Port PU record Chapter 9 with the parameter LLC2 Connection set toYes This acts as the boththe LLC2 Host and LLC2 Interface t...

Страница 43: ...ces PU1 devices can not be defined as Token Ring attached to the AS 400 AS 400 pro grammers might try to get around this by defining different device types i e 5494 PU 2 0or PU 2 1 to 5294 and 5394 PU1 controllers However when this is done the ACTPU is not spoofed internally and is sent to the remote controller The FRM cannot accept and respond and the controller and AS 400 will go into error mode...

Страница 44: ...N IDs can be configured in two places LLC2 node defaults toidentifya virtual bridge that connects theLLC2 function to LAN interfaces LLC2 frame relay interfaces using 802 5 Source Route Bridge format to identify the ring number used by a source route bridge at the remote end This ID is normallyassignedby a systemadministrator Note that the LAN ID on an originated LLC2 interface must match the LAN ...

Страница 45: ... IDs Subscriber IDs are only used locally within each FRM to link records e g SDLC PU record to LLC host record unless the device is running X 25 SDLC LLC2 primary the FRM 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 Producing a Configuration Report A configuration report contai...

Страница 46: ...unity Table C Configure Trap Routing D Configure Model Number E Configure IP LLC2 BRIDGE IPX Default Parameters A Configure IP Node Defaults Chapter 13 specifies whether the FRM will act as an IP gateway and which version of RIP will be used B Configure Bridge LLC 2 Node Defaults Chapter 9 specifies parameters that will be used internally by the node to identify a virtual bridge that will connect ...

Страница 47: ...Logins D Configure Async PAD Logins G Review Model Information displays the maximum number of logical connections allowed and lists the protocols installed on the RLPs H Configure Bandwidth Allocation Groups Chapter 7 defines up to 16 groups that assign connection priorities to various types of traffic B Configure RLPs Chapter 5 A Review RLP Configuration displays installed protocols and identifie...

Страница 48: ...uting Paths A Review Subscriber IDs misc chapters displays information on any subscriber IDs see below configured in the FRM B Configure Subscriber IDs misc chapters identifies enduser devices sending receiving traffic over to logical X 25 ports on the FRM and specifies parameters for redirecting this traffic to other ports C Review Abbreviated Addresses Chapter 12 displays information on any abbr...

Страница 49: ... the 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 FRM 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 Name no...

Страница 50: ...ottom of both Node Defaults screens if a serial C or parallel P port is specified for the Primary Secondary Alarm OutputID but the card containingthe port is either incorrectly configured or is not installed For a serial port this message will also be displayed if the card is properly installed but the device at the other end is not Primary Secondary Printer Connection Problem appears at the botto...

Страница 51: ...rameters might not be displayed Descriptions of most parameters follow each table 1 Remember that the software sees uppercase as different from lowercase 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 char...

Страница 52: ...FRX4 6000 on the same network is assigned a different Remote Control ID Remote Control Pwd is a password used in conjunction with the Remote Control ID and will be checked against the user data field of a Call Request packet Both the Remote Control ID and the password must match what is expected or the FRM will not accept a request for remote control File Transfer ID is used for file transfers see...

Страница 53: ...Output Pwd Password must match the collecting node s Collecting Node Pwd Secondary Alarm Output ID is used for a collecting node to send alarms to a second location other than that spec ifiedbythe Primary Alarm Output ID This parameter has nofunction onnon collecting nodes Secondary Alarm Output Pwd is a password that will be used if the Secondary Alarm Output ID is an address that is also associa...

Страница 54: ...er ational Line Idle Timer is a period that an SVC alarm connectionwill remain active after an alarm message is sent If no alarm is generated during this time the alarm connection is cleared The Periodic Status Timer see that entry determines the frequency with which routine status messages for this FRM will be sent On a reporting non collecting node it is generally preferable to set the LineIdle ...

Страница 55: ...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 see page 9 19 must be created with Session Type Originated Local Subscriber ID theRemote Subscriber ID specified here in the NetView parameters and Remote Subscriber ID the Local Subscriber ID specified in the NetView parameters Maximum Bytes per Frame must ...

Страница 56: ... 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 CommandLPDU withthe P bit set toB 1 If this LPDU is sent while the timer is already running the link sta...

Страница 57: ...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 counter is initialized toN3 and will be decrementedbyone eachtime a valid sequential Information LPDU is received When the counter reaches 0 an acknowl edgment is sent ...

Страница 58: ......

Страница 59: ...the model All four ports on a LIC are the same Figure 5 1 Line Interface Cards LIC 1 RLP 0 LIC 2 RLP 2 LAN 0 LIC 1 LIC 2 LIC 1 LIC 2 RLP 1 Because the bus runs across the FRM above the bottom row of cards RLPs 1 and RLP 2 are installed upside down An earlier version of the FRM contains one RLP providingeight serial ports This manual does not document that version although all the same functionalit...

Страница 60: ...emove a protocol press the letter corresponding to the protocol number The protocol in the Configured column will change to the next valid one See Table 5 1 After all desired changes have been made press F3 to save the changes then reboot the FRM 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 Reboo...

Страница 61: ...as an entire database interfaces subscribers route tables etc is configured much more memory is used For that reason it is recommended that no more than seven protocols including X 25 be configured on any one RLP RIP is a valid choice only if IP is already configured If SNMP is configured IP must also be configured If LLC2 is configured BRIDGE must also be configured If NVSP is configured LLC2 and...

Страница 62: ...nd the configuration to the LAN interface Be sure the FRM is connected to the LAN before performing this operation LAN Card Parameters 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 Table 5 2 LAN Card Parame...

Страница 63: ...as logical X 25 ports described in Chapter 8 which run on a physical frame relay port Locations of Physical Ports The physical connectors onanFRMreside onthe RLP but the circuitry that defines the physical port types is on the two attached Line Interface Cards LICs LIC 1 supports ports 0 3 and LIC 2 supports ports 4 7 Figure 6 1 Port Locations LIC 1 RLP 0 LIC 2 RLP 2 LAN 0 LIC 1 LIC 2 LIC 1 LIC 2 ...

Страница 64: ... User Guide Rev 01 Figure 6 2 shows an RLP right side up with associated LICS and I O cable assem blies Figure 6 2 Physical Ports on an RLP RLP LIC 1 I O Box RLP Cables I O Cables to Modems and User Devices LIC 2 0 2 1 3 4 6 5 7 ...

Страница 65: ...those parameters that do 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 Nodeparameters See Chapter 4 This is general configurationthat must bedone no matter which protocols will be run in the node RLP that contains the port plus Line Interfa...

Страница 66: ...e necessary level 1 modem signals are present and level 2 link is up NA Some state other than those above has been entered To configure the port 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 Configure the protocol that will run over the physical port Rmtid n...

Страница 67: ...tion Incoming and outgoing rate control CIR Virtual circuit backupfor single or multiple PVCs DLCIs including bandwidth allocation on backup circuits A frame relayport can contain up to 56 logical ports per RLP All 56 logical ports can reside on one physical port or be spread over several physical ports DLCI Sharing Each logical connection on a physical frame relay port is assigned a Data Link Con...

Страница 68: ...e 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 whichcan containup to tenbackupDLCIs A backup groupis then assignedto one or more primary DLCIs the ones that will be backed up The basic procedure for configuring backup DLCIs is 1 Configure all DLCIs that will be backed up o...

Страница 69: ...matically be established between Node 1 RLP 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 1 RLP Port 2 O Additional Parameters D Configure DLCI Parameters DLCI ID 16 I DLCI Backup Configu...

Страница 70: ... in 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 Con...

Страница 71: ...an FRM 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 andan...

Страница 72: ...y port This feature is applied 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 FRM internal PVC between the two frame relay ports Although the FRM sup ports bandwidth allocation routers and FRADs that initiate frame rela...

Страница 73: ...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...

Страница 74: ...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 configured to allo...

Страница 75: ...rame Relay Port Screen 1 A C A from Main Menu After making any changes be sure to press F7 to update the system memory Otherwise the changes willnot take effect until the next re boot of the FRM 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 State Linkup I O V 35 Database System Memory A Port Type Frame Relay...

Страница 76: ... if F2 is pressed The second line exists only for DLCIs configured as primary DLCIs in Node Name node_xyz Frame Relay Port Parameters screen2 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 DLCIParameters E View Learned DLCIs F For BackupUse Only N N G Automatic DCE N N ...

Страница 77: ...itted 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 RLP RPrt Remote Port RDLCI Remote DLCI SOT Switchover Timer SBT Switchback T...

Страница 78: ...tenceuntil the nodeis rebooted IftheDLCIwas createdwhen configuringanIP IPX orLLC2 interface it will remainuntil 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 ...

Страница 79: ... is a logical DTE a list of all DLCIs extracted from LMI AnnexD frames can be displayed bypressing E atFigure 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 ...

Страница 80: ... is N 7 N3 should be greater than or equal to N2 8 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 9 T2 should be greater than or equal to T1 10 This parameter is relevant only if Logical DCE is Y Table 7 3 Frame Relay Port Parameters Parameter Valid Values D...

Страница 81: ...minedby the Line Interface Card s and attachedcables The RLP record iden tifies the LIC and only the valid interfaces will be displayed on the Port screen among RS 232 V 35 RS 449 and X 21 RS 449 and X 21 interfaces are valid if the LIC is RS 422 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 ...

Страница 82: ...EIA standard for RS 232 addresses speeds up to 19 2 Kbps Maximum Bytes per Frame specifies themaximum size of any I frame Information frame that can be transmitted or received on the port Logical DCE defines the port as if Y logical DCE or if N DTE The port must be configured as the opposite of the device at the other end of the connection Logical and physical DCE DTE are independent of each other...

Страница 83: ...eeded during theN3 count the DCE will be declared inactive and the N3 count will be restarted T1 Link Integrity Timer determines how often the logical DTE will initiate a Status Enquiry message to the DCE T2 Polling Verification Timer indicates how long the logical DCE will wait between Status Enquiry messages from the DTE before recording an error Enable Outgoing Rate Control determines whether t...

Страница 84: ...any incoming data exceeding the value will be discarded BECN Recovery Count is a method of controlling the rate of return to maximum traffic flow after it has been reduced due to congestion If a packet is received with the BECN backward explicit congestion notification bit set outgoing traffic will be throttled back to CIR and the effective value of BE will become 0 limting traffic flow to the con...

Страница 85: ...e time the initiating node will wait before switching from the backup to the primary DLCI after the primarybecomes active again If set to the maximum of 65565 the backup will not switch to the primary unless it the backup fails Time to Hold Data While Waiting is the time the node will queue data while waiting for a backup DLCI to become active If neither a backup nor the primary has not become act...

Страница 86: ...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 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 Primar...

Страница 87: ...RLP If a node detects a failure in a primary DLCI connection the software will search the backup group configured forthe primary DLCI andwill select the first available DLCI inthat 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 will check the status of the primary then if necess...

Страница 88: ...he next backup DLCI If the backup 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 FRM with the backup protocol enabled on the remote DLCI connected to this backup group entry The remote node must be the ...

Страница 89: ...ort can contain up to 30 channels The FRM 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 FRM can contain up to 56 logical ports per RLP all on one physical port or spread over several physical ports Some things to know about logical ports are Encapsulation can be via...

Страница 90: ...ch identifiyuser devices to each otherand the FRM 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 and RLP parameters have been configured press A at...

Страница 91: ... 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 noneof the above applies press F3 twice to return toX 25Port screen 1 then perform the next desired operation You cannot configure a port to be both a Network trunk and a Dial port Node Name nodexyz X 25 Port Parameters screen1 of 6 RLP 0 Port...

Страница 92: ...rt 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 1 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 port al...

Страница 93: ...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 screenwill be re displayed with the Y N status changed for each affected port Adding or deleting a range has no affect onanyport types within that range other than the type specified Toaddor delete a single port multiple ports that are not insequence or multiple ports of d...

Страница 94: ...an auto dial modem configure the parameters on the following screen Figure 8 4 X 25 Dial Port Parameters Node Name nodexyz X 25 Port Parameters screen 6 of 6 Database System Memory A Dial Support Dial In Dial In B Inactivity Timer minutes 5 5 C Disconnect Timer sec 5 5 D Line Setup Timer sec 1 1 Option ...

Страница 95: ...t External Constant 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 4 N Incoming Calls Barred Y N N Outgoing Calls Barred...

Страница 96: ...rt 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 attached I O cable is DCE If th...

Страница 97: ... this number is exceeded no more frames will be transmitted until an acknowledgment is received A larger value allows faster throughput N2 Retransmit Count is X 25 value N2 the maximum number of times the node will 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 sma...

Страница 98: ...increases the allowable distance to 18000 feet If 19 gauge wire is used the distances can be multiplied by three RTS Control if Constant means that RTS will always be asserted and if External means that the CSU DSU will 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 fo...

Страница 99: ...ncoming Calls Barred is an X 25 facility that prevents transmission of incoming calls to this port Outgoing Calls Barred is an X 25 facility that prevents transmission of outgoing calls from this port Mask Link Alarms prevents if enabled transmission 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 all...

Страница 100: ...ort will retransmit the Reset Request T23 Clear Timer will be started when the port issues a Clear Request and stopped and reset when a Clear Confirmation or Clear Indication is received If the timer expires the port will retransmit the Clear Request DTE Restart Retry Count is the number of times a Restart Request from the logical DTE will be transmitted The DTE will stopissuing the request on rec...

Страница 101: ...same port A dial out port will establish a link only when an outgoing X 25 call is placed at which time the port will raise DTR and the attachedmodem will dial a stored number to a remote modem toestablish an X 25connection A dial in port will establisha link only when a call is received If this port is configured as a network trunk the value for Dial Support must beNone Inactivity Timer will be s...

Страница 102: ...cal 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 cannot be changed These are displayed only because the software code for the menu is shared with physical port configuration If you want toconfigure one or more closed...

Страница 103: ...t 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 Incoming Calls Barred Y N N Outgoing Calls Barred Y N N Maximum Packet Size 128 4096 4 1024 Default Packet Size 16 4096 4 128 Maximum Window ...

Страница 104: ...ridge port is assigned the 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 MainMenu ordisabl...

Страница 105: ...n 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 until...

Страница 106: ... If 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 selecte...

Страница 107: ...e 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 i...

Страница 108: ...f 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 stopissuing the request on receipt of aReset Confirmation Reset Indication or Clear Request If the Reset Retry Count expires restart and recovery procedures should be initiated DTE Clear Retry Count ...

Страница 109: ...UG 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 g...

Страница 110: ...8 3 Subscriber Addressing Subcriber IDs are the called and calling addresses that are placedin 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...

Страница 111: ...mbined 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 configured for...

Страница 112: ...th Thruput The routing 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...

Страница 113: ...e 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 port is unreachable or con gested the Call Request will be sent to the next port If the port becomes available a...

Страница 114: ...rder Connection Priority prioritizes this subscriber for intra nodal traffic the higher the number the higher the priority This priority has no effect on traffic exiting a node 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...

Страница 115: ...fied 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 packets When an incoming packet enters the node it is immediately checked against any incoming template defined for that port If the packet matches the template a translation is carried out and the packet continues toward its dest...

Страница 116: ...ings at the top of the screen To add or change a translation template press B at the X 25 Address Translation Templates menu and enter RLP 0 2 The default is 0 Port 0 7 The default is 0 Direction I for incoming packets or O for outgoingpackets The default is I Template ID up to 31 characters including theG and U separators described below in the format aaaaaaaaaaaaaGbbbbbbbbbbbbbbUddddddddddddddd ...

Страница 117: ...ginal called address G Replace with original calling address U Replace with original user data T Replace with ASCII text Table 8 4 Translation Template Parameters Parameter Valid Values Default Value Template Name 1 0 31 characters none Called Address P R L X G U 2 P Calling Address P R L X G U 2 P User Data P R L X G U T 2 P Protocol ID P 0 8 characters 2 P Facilities P R 0 218 characters 2 P Nod...

Страница 118: ...which positions of the 15 digits in the original called address are to replace the selected portion of the packet For example typing X1234 Enter takes the first second third andfourth characters of the remaining original calledaddress part of the template ID The matching procedure is described in the following example Assume The called address of the packet is 31101234567800 The Template ID is 311...

Страница 119: ...Translation Template Maintenance Menu When prompted enter a string of up to 109 hex bytes Translation Examples Example 1 Replacing the first four digits of the called address with digits from the user data field Assume the Template ID is3110 U and the called address field in the template is U1234X5 A packet with called address 31101234567890 and user data 5678 is received The packet matches Templa...

Страница 120: ...specify only user data at the above prompt enter 00 for a facility length nothing for a facility then the desired user data including the 4 byte protocol ID After you enter this information the FRM creates a test packet and sends it through the translation process and displays the results as shown in the following example Figure 8 11 Address Translation Test Screen A C C C from Main Menu Node Name...

Страница 121: ... a 1 4 digit Connection ID which is simplya numberunique to this connection that identifies the PVC Figure 8 12 X 25 to X 25 PVC Screen A D E B from Main Menu It does not matter which end of the PVC is configured first X 25 PVC Parameters Table 8 5 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 0...

Страница 122: ... priorities be careful to consider the types of traffic being routed on other connections in the FRM 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 The physical line may have a number of logical channels An LCN assigned to a port in a PVC must be lower than the lowes...

Страница 123: ...Configuring X 25 8 35 ...

Страница 124: ......

Страница 125: ... size 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 andXPAD 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 E...

Страница 126: ...local LAN LLC2 support in the FRM includes the following scenarios some of which are dia grammed in Figure 9 1 on page 9 2 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 o...

Страница 127: ...in this chapter which identify any SDLC devices that will communicate with SNA host and terminal devices LLC2 hosts page 9 19 and LLC2 interfaces page 9 26 if theSDLC device s will be connected to the node via a LAN or if SDLC will be transported over frame relay per RFC 1490 Subscriber IDs page 9 14 to identify the user devices If LLC2is beingconfigured Virtual LAN ID page 9 18 Since an FRM is se...

Страница 128: ... PUStation Address 01 FE hex This address identifies the PU you are configuring 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 mul tidrop lines After entering a station address a screen similar to the following will be displayed Node Name nodexyz SNAPort Parameters...

Страница 129: ...n 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 PUName name B Local Subscriber ID 110001010100 C Remote Subscriber ID 100001000001 D Max...

Страница 130: ...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 ...

Страница 131: ... of valid protocols Protocol configuration is described in Chapter 5 Name is used to identify the port to some manager devices 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 4105 265 Autocall Y N 1 N Autocall Retry Time sec 15 2...

Страница 132: ...K 56K 64K 72K 112K 128K 168K 192K 224K 256K 280K 320K 336K 384K 392K 448K 504K 512K 560K 576K 616K 640K 672K 704K 728K 768K 784K 832K 840K 896K 952K 960K 1 008M 1 024M 1 064M 1 088M 1 12M 1 152M 1 176M 1 216M 1 232M 1 28M 1 288M 1 344M 1 4M 1 408M 1 456M 1 472M 1 512M 1 536M 1 568M 1 6M 1 624M 1 664M 1 668M 1 728M 1 792M 1 856M 1 92M 1 984M 2 048M If an RS 232 DCE port is directly connected to the...

Страница 133: ...e set to Y Make sure the remote DTE is configured to provide the terminal timing SNA Type 0 XPAD 1 TPAD 2 HPAD 3 NPAD Pressing L at the Port screen changes the value to the next one in the list The most common SNA networking requirement is for communication between an SNA host computer PU type 4 and control units PU type 2 This is accomplished via anHPAD Host PAD and TPAD Terminal PAD The host com...

Страница 134: ...x the DTE raises DTR and the DCE raises DSR The link is considered up when both DTR and DSR are high Make sure thisparameterisconfigured correectly or the PU will not become active PU Subscriber Parameters PU Name identifies the PU to an SNMP or NetView host Local Subscriber ID identifies the local device A Subscriber ID record see page 9 14 must also be con figured for this ID Remote Subscriber I...

Страница 135: ...ines whether transmissioncan be in one alternate or two simultaneous direc tions at the same time LLC2 Parameters Local SAP Address is the remote service access point SAP address used to connect the PU to the host This parameter is relevant only in a connectionto a 3174 or AS 400 type setup where a specific source SAP address is required If the LLC2 sessionwill be runover a native LLC2 frame relay...

Страница 136: ...es and acknowledgments responses are still outstanding the link station will send one of the following then restart T1 A Supervisory LPDU with the P bit 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 link station will declare the link ...

Страница 137: ...checkpoint operation will be sent following expiration of T1 Priority prioritizes intra nodal traffic the higher the number the higher the priority This pri ority has no effect on traffic exiting a node 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 ...

Страница 138: ...ions and Routing Paths Menu When prompted enter a Subscriber ID of up to 15 digits ID conventions are described on page 8 22 Figure 9 4 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 mo...

Страница 139: ...t does not makea 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 withThroughput selects the line withthe minumumloading cal culated by weight andnumber of LCNs in use on that line Each line is assigned a weight p...

Страница 140: ...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 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 dev...

Страница 141: ...er ID for any TPAD that might call either HPAD The Remote Subscriber ID in the HPAD s Port configuration is the Local Subscriber ID in the TPAD s Port configuration Include HPAD2 in HPAD1 s routing path Configure only one routing path for each TPAD In Port configuration disable Autocall for each HPAD and enable it for each TPAD In Port configuration configure HPAD1 s Local Subscriber ID as the onl...

Страница 142: ...e among all LAN IDs throughout the network on which this node will operate If also configuring Bridging in the node address the remaining parameters as described in Chapter 15 Otherwise press Enter accepting the default for each remaining parameter since they are not used for LLC2 Figure 9 5 LLC2 Defaults Configuration Screen A A E B from Main Menu Only item A applies to LLC2 Leave the remaining p...

Страница 143: ...ure 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 depend on the configured session type Figure 9 6 Originated Figure 9 7 Terminated Figure 9 6 LLC2 Originated Host Configuration Screen A A E D from Main Menu ...

Страница 144: ...SNA LLC2 Terminated Session Configuration Screen 1 of 2 Host Number 1 A Host MACAddress 0C005A123402 B Session Type Terminated 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 Connections Screen2 Option Node Name nodexyz SNA LLC2 Originated Session Configuration Screen 2 of 2 Host Number 1 A B C D E F G H I...

Страница 145: ... 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 the SNA PU ...

Страница 146: ...s reverses the binary bits of 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 swappedvalue e g 020008000811 as the Host MAC Address This value will arrive at the host as the p...

Страница 147: ...ith the P bit 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 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 b...

Страница 148: ...n configuring 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 I...

Страница 149: ...ce If configuring anLLC2 to LLC2 connection this address must match the Local Subscriber ID inthe 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 conjuctionwith IDBLK ingenerating the Node field in an XID...

Страница 150: ... Configuration Menu When prompted for aninterface number which is merely a sequential number to identify the interface If modifying an existing record enter the interface number 0 95 If creatinga 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 Name n...

Страница 151: ...d there is noitem L IfFormat is8023_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 Interfa...

Страница 152: ...locked 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 ordisable B B A fromthe Main Menu is performed Port Priority will become the first octet ofthe Port ID field inSpanning Tree Protocol messages The lower the number the higher t...

Страница 153: ...enu 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 Only parameter in the port record see page 7 17 DLCI matches the connection with an interface at the remote end of the link Make sure the DLCI is not part of a frame relay DLCI backup group or frame relay PVC Format ...

Страница 154: ... 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 administrator Each LAN ID must be unique within the network on which this node will operate ...

Страница 155: ...D supports up to 32 CUs per multidrop line To run BSC Interactive in an FRM make sure the following are properly configured 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 interf...

Страница 156: ...f BSC Type item J is 2 HPAD item 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 FRM Pressing L lists more parameters andpressing M displays a screensimilar to the fol lowing All BSC Interactive parameters are listed in Table 10 1 Node Name nodexyz BSC Interactive Port ...

Страница 157: ... remote devices 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 alsoconfigure 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 Remot...

Страница 158: ... 5 Maximum Bytes per Frame 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 defaul...

Страница 159: ...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 Retransmission Period is the length of time before the node will transmit an I frame if the previous trans mission is not acknowledged If the period expires the timer will be reset and a super visory frame will be transmitted demanding immediate acknowledgemen...

Страница 160: ...ear VC on Last Device Down if Y causes the virtual circuit to be cleared when no terminals are using it Multidrop specifies whether transmisisonwill be multidrop several stations between end points or point to point Slow Poll Retry Count applicable only to connections configured for multidrop specifies how many times the control unit CU will be polled if it is not responding before it is put on th...

Страница 161: ...o move to another line press A and enter the sequence number Local Sub identifies the local device A Subscriber ID record see page 10 8 must also be con figured for this address Remote Sub is the called address used for calls by the local device A Subscriber ID record see page 10 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 FRM...

Страница 162: ...8 22 Figure 10 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 on the first screen Parameters for all three screens are described following Table 10 3 Subscribe...

Страница 163: ...n 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 withThroughput selects the line with the minumumloading cal culated by weight andnumber of LCNs in use on that line Each line is assigned a weight proportional to its throughput within the routing path I...

Страница 164: ...riorities 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 make up the routing path s Redirection Address 0 1...

Страница 165: ...fault is 0 Control Unit 0 31 SeeTable 10 4 Device Unit 0 31 SeeTable 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...

Страница 166: ...ch end of the connection is 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 ...

Страница 167: ... 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 if...

Страница 168: ......

Страница 169: ...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 BSCI as well as the transport protocol frame relay or X 25 See Chapter 5 Frame relay port s and or X 25 port s that will connect to a ...

Страница 170: ...ng port Figure 11 1 BSC Batch 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 FRM 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 s...

Страница 171: ... 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 BatchSubscriber Information RLP 0 Port 1 I O V 35 A Sq B Local Sub CRemote S...

Страница 172: ...med 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 possible that of the device connected directly to the port Retransmission Period is the length of time before the node will transmit an I frame if the p...

Страница 173: ... Extended Binary Coded Decimal Interchange Code Specifying Y requires that all devices on a line use the same character set for successive session polls It is activated after a session is over i e an EOT End of Transmission is suc cessfully transmitted down the line On expiry a General Poll is transmitted except under certain special conditions The timer is deactivated at Link Down Transparent Tex...

Страница 174: ...lled if it is not responding before control is passed on the next cluster accompanied by other condition checks Delay Timer is activated when the application queue is empty i e when data from the network is pending On expiry a TTD Temporary Text Delay is sent and the timer is restarted After the final retry an EOT is sent to the line and a Clear Request is sent to the network Delay Retry Count spe...

Страница 175: ...utocall retries Rty is the maximum number of times an autocall will be sent Note that a value of 0 allows indefinite retries Del lets you delete the remote subscriber that is currently highlighted You will be prompted Delete n where n is the sequence number Pressing Y will delete that line and move all entries below it up one sequence number Configuring Subscriber IDs This operation configures the...

Страница 176: ...t they actually exist Subscriber Name identifies the subscriber to the console operator The FRM software does not use this information Table 11 2 Subscriber Parameters Parameter Valid Values Default Value Subscriber Name 0 31 characters none Routing Algorithm 0 3 0 Systematic Redirection Y N N Redirect on Busy Y N N Redirect on Out of Order Y N N Connection Priority 0 9 0 1st 2nd etc Path Configur...

Страница 177: ...only one routing path Systematic Redirection will redirect if Y all calls to Redirection Address 0 instead of the primary address If that address cannot be reached and Redirect on Busy and or Redirect on Out of Order are set to Y a call will be placed to Redirection Address 1 then if necessary Redi rection Address 2 and so on Redirect on Busy will redirect calls if Y according to the Redirection A...

Страница 178: ... redirection option The FRM can redirect an X 25 call to an alternate subscriber if the original subscriber cannot be reached See Redirect on Busy and Redirect on Out of Order The FRM will call each address in the list until one is reached If Systematic Redi rection is enabled the FRM will not call the original called subscriber but will start immediately with the first subscriber in the redirecti...

Страница 179: ...he 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 or Chapter 8 X 25 Async PAD Profiles page 12 2 which define the operation of the attached devices Login parameters page 12 6 whichdefine passwords tobe usedwhen logging int...

Страница 180: ...ame 1 10 uppercase characters todisplaythe first of twoscreens 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 Whencreating a new profile be careful that you are not creatinga duplicate ofan existingprofile Whenassigninga profile toa port the s...

Страница 181: ...terpreted by the PAD 03 Data Forwarding Char allows the selectionof 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 CAN or DC...

Страница 182: ...ansmitted 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 on page A 3 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 inter...

Страница 183: ... 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 dis...

Страница 184: ...apply 21 Parity allows the PAD tocheck parity in the data stream fromthe 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 char...

Страница 185: ...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...

Страница 186: ...nitial Profile 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 FRM 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 ...

Страница 187: ... 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...

Страница 188: ...eter 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 X 3 Line Speed is the data transmission rate in bits per second Specify the line speed that matches as closely as possible the configuration of the device connected to the port Selecting this item displays a list of valid line speeds To specify a speed press the letter corresponding to th...

Страница 189: ...ill match throughout the connection DCE Cable Attached identifies whether the port will act as a physical DCE DCE Cable Attached Y or DTE DCE Cable Attached N Mask Link Alarms prevents if enabled transmission to the collecting node of the link alarms 400 406 Link Enabled Link Disabled etc Generate M bit Packets is used by the PAD to turnonthe M bit in the X 25 data packet if more thanone packet is...

Страница 190: ...ual circuit is established If N both signals will be asserted as soon as the port is enabled Input Signal Detection determines which signal s will be read to determine that the link is up 0 none required 1 DSR 2 DSR DCD 3 DSR DCD Call 4 DSR CTS 5 DSR DCD CTS RTS CTS H W Flow Control enables hardware flow control through stop start of data using RTS pin 4 CTS pin 5 and CD pin 8 on the RS 232 interf...

Страница 191: ... is ready to receive commands from the user The timer is reset every time the port receives or transmits a call This parameter is automatically disabled on a PVC connection Timeout if No Data if set to Y starts the disconnect timer as soonas avirtual circuit is connected The timer is reset every time the port receives or transmits a character If Y is specified and the user has escaped from the dat...

Страница 192: ...ameters will determine when data is forwarded Special Forwarding Char is not implemented in the current release Dynamic Signaling Action is not implemented in the current release Configuring Subscriber IDs This operation configures the called and calling addresses that will be used in X 25 call setup if SNA is being transported over a logical X 25 port To complete the con nection the software must...

Страница 193: ...igured in the database Subscriber Name identifies the subscriber to the console operator Table 12 4 Subscriber Parameters Parameter Valid Values Default Value Subscriber Name 0 31 characters none Routing Algorithm 0 3 0 Systematic Redirection Y N N Redirect on Busy Y N N Redirect on Out of Order Y N N Connection Priority 0 9 0 1st 2nd etc Path Configured Y N N RLP 0 2 0 Port Physical port 0 7 1 Lo...

Страница 194: ...and specify only one routing path Systematic Redirection will redirect if Y all calls to Redirection Address 0 instead of the primaryaddress If that address cannot be reached and Redirect on Busy and or Redirect on Out of Order are set to Y a call will be placed to Redirection Address 1 then if necessary Redi rection Address 2 and so on Redirect on Busy will redirect calls if Y according to the Re...

Страница 195: ...bscriber IDs press C at the Connections and Routing Paths Configuration Menu or A D C from the Main Menu To add or change an abbreviated address press D at the Connections and Routing Paths Configuration Menu When prompted enter the address you want to use up to 10 alphanumeric characters The address will be displayed if it is an existing address the associatedsubscriber ID will also be displayed ...

Страница 196: ...effect on traffic exiting a node 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 Table 12 5 Async PVC Parameters Parameter Valid Values Default Value Connection Priority 0 9 0 Subscriber Name 0 31 characters none Logical Channel 1 1 RLP 0 2 ...

Страница 197: ... 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 the PVC Packet Size Window Size allows setting packet and window sizes for each end of the PVC Generally the same packet andwindow sizes will be configuredinthe port records at each end as well as in the PVC record ...

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Страница 199: ...y 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 on each physical network IP addresses are generally shownin dotteddecimal notation which means that eachoctet is represented by a decimal number and octets are separated by dots as in 130 6 52 245 IP networks...

Страница 200: ...he node identifier it does not need to be incomplete octets as a subnet identifier For example in a Class B network the first and second octets are the network identifier and the third and fourth are the node identifier If the network con tains the maximum of 65 025nodes management will most likelybe easierif the third octet of the IP address is used to define up to 255 subnets on the network The ...

Страница 201: ... 5 LAN interface s that will connect to any attached LAN s 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 or Chapter 8 X 25 IP parameters described in this chapter Configuring IP Node Defaults EachFRM device supports one of three versions of the Routing Information Protocol RIP which used by IP to update routing table...

Страница 202: ... and RIPv2 are incompatible witheach other onthe same network however each is compatible with RIPv1 Compatibility If transitioninga networkfrom RIP Version 1 toVersion 2 recon figure each device to RIPv1 Compatibility until all devices are configured for RIPv1 Compatibility Each device can then be configured for RIPv2 Table 13 1 IP Defaults Parameters Parameter Valid Values Default Value RIP Versi...

Страница 203: ...display depends on the interface the following figure shows an example and Table 13 2 on page 13 7 through Table 13 4 on page 13 9 list the parameters for all interface types Figure 13 2 IP Interface Record Frame Relay Example A C E B from Main Menu Destination IP Address is displayed only ifEnable Inverse ARP is N Source IP Address is displayed only if Unnumbered Interface is N Node Name nodexyz ...

Страница 204: ... item will display a screen similar to the following Figure 13 3 LAN IP Interface Secondary Address Configuration Up to 15 secondary IP addresses can be configured on a LAN interface providing support for multiple IP subnets on the same physical LAN segment To configure a secondary address press A The selected address will be highlighted in reverse video To select a different address press a numbe...

Страница 205: ...is installed 4 255 255 255 255 is valid only on a point to point interface 5 See the caution following these footnotes The default value of Network Mask will be configured automatically to reflect the appropriate address class after the Source IP Address is specified If the interface is configured as unnumbered and therefore no Source IP Address is configured the default value of Network Mask will...

Страница 206: ...ce IP Address first then the Network Mask 4 These addresses must also be configured in Subscriber ID records seepage 8 21 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 That RLP does not need to be...

Страница 207: ...ource 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 Token R...

Страница 208: ...e discovered RIP Support specifies the level of RIP support on the interface 0 Enabled All RIP messages will be accepted and messages of the version configured inIP Node Defaults A A E A from the Main Menu 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 Flas...

Страница 209: ...y 5 seconds up to 5 times After 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 FRM 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 ofthe end to end receiverfor point to po...

Страница 210: ...fault address If a new interface with a lower number is added that interface s address will become the new default source IP address but only after the next IPL of the FRM Naturally this feature works only if there is at least one numbered interface in the device If there are none all un numbered interfaces remain disabled Once a num bered interface is added all un numbered interfaces will become ...

Страница 211: ...nes whether Proxy ARP will be supported on the LAN interface Proxy ARP allows anFRM torespond to ARP requests onone subnet for a host onanothersubnet This lets the device that sent the ARP request think the FRM is the destination host If an ARP request is received the IP function in the FRM checks the address against the Source IP Address configured on the IP interface Then If the addresses match ...

Страница 212: ...Support specifies the level of RIP support for the secondary IP address 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 or see page 13 3 will be transmitted Rcv Only RIP messages will be accepted but not transmitted Disabled No RIP messages will be accepted or transmitted Configuring Static IP Routes Routing of IP traf...

Страница 213: ...terfaces and Static Routes you can save time by specifying N for each change until the final one Entering Y after the final change will update all changes made to both IP Interfaces and Static Routes If you forget tospecifyY afterthe last change you canstill update theFRM 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 ...

Страница 214: ...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 ifconfigured will be used If the default route is not con figure...

Страница 215: ...AP Dynamic and static routing NetBIOS support RFC 1490 encapsulation Required Configuration To run IPX in an FRM make sure the following are properly configured 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 support...

Страница 216: ...eading zeros will be added Gap is the minimum delay between consecutive RIP and SAP Service Advertising Pro tocol transmissions This parameter provides compatibility with olderNovell 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 digit...

Страница 217: ...r 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 Applicati...

Страница 218: ...ket 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 0001001000110011 Value 0001001000110111 Mas...

Страница 219: ... 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...

Страница 220: ...55 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...

Страница 221: ...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...

Страница 222: ...quested information referring toTable 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...

Страница 223: ...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 0 IP...

Страница 224: ...oup orintra 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 NetB...

Страница 225: ...ace 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 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 Ena...

Страница 226: ...ype Ethernet 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 P...

Страница 227: ...es the local interface to the Novell network Priority prioritizes this subscriber for intra nodal traffic the higher the number the higher the priority This priority has no effect on traffic exiting a node 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 proce...

Страница 228: ...enabled The timer starts restarts each time an entry is created updated by RIP or ref erenced for forwarding If the timer expires the router will assume that the entryis no longer valid due to hardware failure power outage etc and the entry will be deleted from the table RIP Maximum Size is the maximum possible RIP packet size includingthe IPX header 30bytes and the LAN MAC header if transmitted o...

Страница 229: ...ng over RFC 1490 compliant frame relay and RFC1356 compliant X 25 Source Card Port DLCI identifies the location of this end of the frame relay IPX interface Make sure the physical frame relay port is not reserved for backup DLCIs as determined 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 Descriptio...

Страница 230: ...es configured in the FRM 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 in the foll...

Страница 231: ...e file described earlier in this chapter this field will be ignored Interface is the IPX network number assigned tothe interface usedto sendpackets that are using this route IPX SAP Static Route Parameters Table 14 10 IPX RIP Static Route Parameters Parameter Valid Values Default Value Network 1 fffffffe 4 bytes 00000001 Hops 0 65535 1 Transport Time 0 65535 1 Router 0 fffffffffffe 6 bytes 0000000...

Страница 232: ...identifies the IPX node attached to the server network Server Socket Number is an IPX socket number that identifies the process For example the SAP process is 0452 Intervening Networks 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 Nove...

Страница 233: ...ble LLC traffic suchas 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 routed or brid...

Страница 234: ...s those used for LLC2 When referringto 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 FRM 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 proto...

Страница 235: ...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...

Страница 236: ... 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 Listening state before entering Learning state or after enterin...

Страница 237: ... 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 nod...

Страница 238: ... determine 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 De...

Страница 239: ...field 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...

Страница 240: ... software Sq is a sequence number to identify the entry Offset is the number of octets into the frame to the octet that will be checked against the Value and Mask Value is used in conjunction with the Mask as describedunder How Filter Masks Work on page 15 7 Mask is used inconjunction withthe Value as described under How FilterMasks Work on page 15 7 Table 15 2 Bridge Generic Filter Parameters Par...

Страница 241: ...vice Advertising Protocol SAP DSAP Value identifies the destination SAP Table 15 3 Bridge MAC Filter Parameters Parameter Valid Values Default Value Filter Name 1 31 characters none Source MAC Address Value 0 ffffffffff 6 bytes ffffffffff Source MAC Address Mask 0 ffffffffff 6 bytes ffffffffff Destination MAC Address Value 0 ffffffffff 6 bytes ffffffffff Destination MAC Address Mask 0 ffffffffff 6...

Страница 242: ...g applications press H at the Filter Definitions and Applications Con figuration Menu or A A E F H from the Main Menu To configure an appli 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 simplyidentifies the interface Filter Type 4 Generic 5 MAC Default 6 LLC2 SAP 7 Protocol 8 Bridged native NetB...

Страница 243: ...ished configuring filter definitions and applications you must perform an on line update to make the changes effective immediately Press J at the Filter Def initions and Applications 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 Table 15 7...

Страница 244: ...n interface press D at the IP LLC2 BRIDGE IPX Interfaces Config uration 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 Do not configure more than one interface per DLCI on a port If creatinga new record press Enter whichwill automatically specify the next available sequential i...

Страница 245: ...pe Ethernet TokenRing FRL FRL frame relay Blocked Port Flag Y N N Port Priority Native LLC2 format n a All other formats 0 128 128 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 0 0 RLP 0 2 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 MA...

Страница 246: ...be given 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 t...

Страница 247: ...od used for bridged traffic Note that specifying 8023_TB will add an Ethernet header to the frame and 8025_SRB will add a Token Ring header Bandwidth Allocation Group assigns the Bridge port toone 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 Origin...

Страница 248: ......

Страница 249: ...formation and node status This information is retrieved by calling it from the Management Information Base MIB The FRM supports 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 25MIBs RFC 1381 and 1382 and a Cabletron proprietary NetlinkMIB The tree structures are shown in the MIB Reference Guide part number 09 41 06 149 which is av...

Страница 250: ...s the fields to 250 characters each System Name identifies the local FRM to the SNMP manager System Location is generally the geographical address of the local node System Contact identifies someone at the node site who can be contacted if there are issues Table 16 1 SNMP System Defaults Parameters Parameter Valid Values Default Value System Name 0 250 characters 1 none System Location 0 250 chara...

Страница 251: ... the table Figure 16 2 SNMP Community Table Menu A A D B from Main Menu Toconfigurean 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 CAccessD Del 1 name1 Read_write 2 name2 Read_write 3 name3 Read_write 4 name4 Read_wr...

Страница 252: ...om Main Menu To configure an entry press the corresponding Seq sequence number To delete an entry select it then press E and Y when asked to confirm All entries below a deleted one will move up one in the list 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 En...

Страница 253: ...s 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 as soon as possible Level 3 Minor fault traffic disturbance Clear the fault at the first suitable oc...

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Страница 255: ...Section III Operation ...

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Страница 257: ...ng use of particular ports for any reason Transfer files between nodes Back up and restore database and or system files Take control of remote Cabletron frame relay access devices FRM Smart Switch 1800 FRX4000 FRX6000 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 interface...

Страница 258: ...gs 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 when there are no active connections F Quiesce a Range of Ports Quiesces a specified group of same type ports G Unquiesce a Port Cancels the Quiesce a Port command only i...

Страница 259: ...rimary DLCI Over to its Backup B Initiate Switching DLCI Back to the Primary C Status Displays Chapter 19 A Node Status displays performance and link status for the node B Port Status displays port type operational status and link states for all ports on the node C Virtual Connections displays DLCIs LCNs link states subscribers and frame relay only performance for all logical connections D Port Si...

Страница 260: ...isplay IP Statistics displays the supported statistics including current values and cumulative values since maximum values were last cleared D Display ICMP Statistics displays 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 value...

Страница 261: ... 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 FRM cannot be controlled by more than one device at a time While remotely controllingone node you cannot take remote control of another one While a node is under remote control its keyboard is blocked to prevent local oper...

Страница 262: ...lled 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 under remo...

Страница 263: ...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 FRM 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 reboot the node pre...

Страница 264: ...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 toaccept the file if not the connectionwill be cleared and a correspondingmessage displayed 3 If there is enough disk space the file will be transferred and stored in the remote node under a temporar...

Страница 265: ... noted in step 1 To assure that there is enough disk space for a multiple file transfer the largest file will be sent first It will be transferred only if there is enough disk space for the new file and the file it is replacing Once the transfer is complete the old file will be deleted providing enough disk space to accommodate the next file 1 The originating node will send a message that includes...

Страница 266: ...se database will be backed up Item A allows copying the database to a directory on the hard disk or a diskette When backing upthe database to anFRM youmust specify a path such as c backup A different directory can be created if desired using DOS operations Item B is used to restore the database that was backed up using item A The database will automatically be copied from and to the correct direct...

Страница 267: ... node They are also used to 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 2 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 2 From port 0 63 To RLP 0 2...

Страница 268: ...st be performed again if that feature is desired Unquiesce 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 2 Port 0 63 If quiescing or unquiescing a range of ports enter Port Type 1 X 25 2 frame relay...

Страница 269: ...e and a PU or a range of 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 2 Port 0 7 PU station address 0 ff If enabling or disabling a range of PUs enter From RLP 0 2 From port 0 7 To RLP 0 2 To port 0 7 Node Name node_xyz On Line SDLC PU Operations A Disable an SDLC PU B Disable a Range of SDLC PUs C ...

Страница 270: ...he pings 2 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...

Страница 271: ...oads the terminal settings defined for an async terminal connected to the COM1 port on the FRM Press E at the Operations Menu or B E from the MainMenu If anasync terminal is connected the COM1 port the initialization data will be sent Initiating Frame Relay Backup Switchover Switchback Frame Relay Backup DLCIs see Chapter 7 can be configured to automatically become operational a set time after fai...

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Страница 273: ...connections SVCs and PVCs cur rently in use in this node divided by two Boot Time is the date time the FRM software was last started Status lists the possible operational states that each port can be in See State under Displaying Port Status of Ports is the total number of physical and logical ports in the node with the associated status Node Name node_xyz Node StatusDisplay Pkt Sec 0 128 256 384 ...

Страница 274: ...or 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 upandready toestablish a connection or transfer data On a frame relay logical DTE port with link layer management con figured this state means that the port has received a Full Status Response from the DCE frame relay switch as a result of...

Страница 275: ...isplay on Frame Relay Port C C from Main Menu Information in this Display Seq is a sequence number used to identify the connection DLCI is the DLCI on which the connection exists State Data_trans means that call processing was successful and the con nection is in the data transmission state Call_setup means that the attached device is waiting for Call Accept Node Name node_xyz ConnectionStatus Dis...

Страница 276: ...nter the port number If the DLCI is displayed as Backed Up note the backup DLCI press F3 three times then C at the Status Displays menu and verify that the backup DLCI is in Data_transstate Undefined means that the port is in some unknown state Trans is the number of transmitted frames Recd is the number of received frames Disc is the number of discarded frames RLP is the RLP number with the follo...

Страница 277: ... self explanatory 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 with the following exceptions except for a remote control file transfer or alarm connection in whic...

Страница 278: ... 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 orDTE as taken from thePort record If no record has been createdforthis 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 level 2 is up level 3 is down Rest...

Страница 279: ...l time for anX 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 fromthe Main Menu and when prompted enter RLP 0 2 Port 0 63 or 65 to monitor LLC2 sessions While remotely controlling a node you cannot monitor the line to which you are connected A message like the following...

Страница 280: ...essages 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 Enables disables classification of RFC1490 frames by PID 2 Enables display of all LAPB SDLC and BSC level 2 frames if appropriate tothe port ...

Страница 281: ... 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 X 25 Port LAPB Trace Example The following is an example of an X 25 port LAPB trace of Modulo 128 link acti vation 01 SABME P 01 UA F 03 I N R 0 N S 0 0005 1000FB070...

Страница 282: ...3 I N R 1 N S 1 0014 2D00020037836B80000D02010000 SNA ACT LU REQ S 03 I N R 1 N S 2 0014 2D00040037856B80000D02010000 03 I N R 1 N S 3 0014 2D00050037866B80000D02013035 03 I N R 1 N S 4 0014 2D00030037846B80000D02010000 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 I N R 5 N S 1 0025 2D0000023783EB80000D020100858000000C0603 SNA ACTLU RU RSP 03 I N R 5 N S 2 0020 2C000002...

Страница 283: ...re two types of frame status and data Oneach line of either type the leftmost field shows the DLCI number 16 23 58 00 R 0016 D 0008 0308518167800131 16 23 59 10 R 0016 D 0008 0308518167800331 0000 LIV Status Enquiry 135 134 16 24 18 00 R 0016 F 0008 0308518167800131 16 23 58 00 R 0016 F 0008 0308518167800131 16 23 58 00 R 0016 F 0008 0308518167800331 16 23 58 00 R 0016 B 0008 0308518167800331 0000...

Страница 284: ... 002 R 1023 LIV Status 002 002 0000 LIV Status Enquiry 003 002 T 1023 LIV Status Enquiry 003 002 0000 LIV Status 003 003 R 1023 LIV Status 003 003 0000 LIV Status Enquiry 004 003 T 1023 LIV Status Enquiry 004 003 0000 LIV Status 004 004 R 1023 LIV Status 004 004 0000 LIV Status Enquiry 005 004 T 1023 LIV Status Enquiry 005 004 0000 LIV Status 005 005 R 1023 LIV Status 005 005 0000 LIV Status Enqui...

Страница 285: ...activation X 25 encapsulated in frame relay per RFC1490 0016 0008 030851816780013F LAPB SABM 0016 0008 0308518167800173 LAPB UA 0016 0013 03085181678003001000FB0700 LAPB Information frame 0016 0013 03085181678001201000FB8700 LAPB Information frame 0016 0008 0308518167800121 LAPB Receiver Ready 0016 0008 0308518167800331 LAPB Receiver Ready 0016 0008 0308518167800331 LAPB Receiver Ready In RFC1490 ...

Страница 286: ... bridged as 802 3TB frames i e PID of 0007 Alsonote that 802 5 SRB frames over frame relay in RFC1490 format are known in IBM terminology as BAN Type 1 frames Besides the encapsulation information the main difference betweenBAN and BNN LLC2 frames is that BAN sends the MAC addresses across the WAN BAN is usually used for connectivity to AS 400 hosts only Test Frame Examples LLC2 802 5 SRB BAN 0016...

Страница 287: ...der checksum 02 02 02 02 IP source address 02 02 02 01 IP destination address 0208 UDP source port 520 0208 UDP destination port 520 0020 UDP length 20 hex is 32 decimal EE93 UDP header checksum 02 RIP Command byte Response 01 RIP Version 1 00 00 must be zero 03000000 IP address reporting route to network 3 0 0 0 00000000 must be zero 00000000 must be zero 00000000 Metric hops 1 15 note that 16 is...

Страница 288: ...in a capture press B at the Traffic Monitor Menu or C E B from the Main Menu This will display a screen similar to the fol lowing Figure 19 8 LAN Capture Status and Control Menu C E B from Main Menu Information in this Display Protocols shows whether or not each LAN protocol is loaded See Chapter5 Recording will be Active or Not Active depending onwhether or not a capture is currently occurring No...

Страница 289: ...s F1 to refresh the display Possible parameter settings are Parameter Values LAN Card 0 1 Both None Trace IP On Off Trace IPX On Off Trace Bridge On Off Trace Unknown On Off When Full Stop Wrap IP IPX and Bridge can be set toOn onlyif the protocols are loadedonthe RLP If When Full is Stop the capture will stopautomatically when the buffer is full If When Full is Wrap the monitor will continue to c...

Страница 290: ...eo Type the frame type IP IPX Bridge or Unknown Len length of the frame Data source MAC address destination MAC address frame type and first 76 bytes of the frame in hex Note that pressing F7 will allow specification of an event sequence number to be displayed in case that number is not currently on the screen It must however be in the buffer The capture buffer can hold the first 76 bytes of each ...

Страница 291: ...the backup DLCI Restore Wait Backup DLCI only The primary DLCI is now up but the switchback timer has not yet expired The state will return to Active if the Primary DLCI goes down again before the timer expires Inactive Backup DLCI only The DLCI is available ACK Wait Hold The initiating node has issued a switchover or switchback commandand is waiting for an ACK acknowledgment from the remote node ...

Страница 292: ...ADDR parameter set in the macro PU in the VTAM config uration The station address is usually set toC1 for point to point SDLC lines and in series C1 C2 C3 etc for multidrop lines Name PU name configured in the PU parameters in the SNA Port record State will be one of these Active Inactive Never_Activated Pending_Contact waiting for Normal Response Mode Pending_Discontact waiting for Normal Disconn...

Страница 293: ...Terminated PUName PU name if one exists configured in the SNA Port PU 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 Node Name node_xyz Bridge Port Status Display Bridge Id 0010 00000364439B Root Port 255 ...

Страница 294: ... frames will be received or transmitted to allow the port to get its status into the spanning tree algorithm The port will leave this state when the Bridge Forward Delay timer 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 spanningtre...

Страница 295: ...ss B at the Bridge Status Displays Menu todisplay 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 Menu Pressing F2 will update the display It is not updated automatically Pressing F4 will allow youtodelete all dynamic entries New entries will then be added as frames containing MAC addresses are receivedon ...

Страница 296: ...ble 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 Information in this Display Destination Destination IP address Gateway IP address of router that provides access to the destination device This corresponds totheRouter parameter instaticIP Routes described on page 13 16 Ref Reference Internal count of the number of places the route is cur...

Страница 297: ...ceives a MAC address in response The timer is reset if an IP frame is received from the either the IP or MAC address If the screen is filled with information you will be askedwhether you want to display more The ARP table does not include entries for devices that have no LAN inter faces IP Interfaces To display a list of active IP interfaces press C at the IP Status Displays Menu or C F G C from t...

Страница 298: ... Status Displays RIP Table To display the contents of IPX RIP Table press A at the Protocol Status Displays Menu or C F A from the Main Menu Each entry will contain the following Network IPX address of the network containing the FRM that contains the interface Router Addr address of the router that will forward a packet when this route is used Hops number of routers in a packet s path to the desti...

Страница 299: ...layed in hex format Some common codes are 0003 print queue 0004 file server and 0007 print server IntNw Intervening Networks is the number of routers that a packet must pass through to reach the server if this route is used DNA Do Not Age identifies whether agingis enabled Aging allows deletion of entries from the table after a specified period Routes configured as static see Configuring Static IP...

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Страница 301: ...y 10 Transmitted frames per sec 10 is the number of frames transmitted by the RLP per second over the five second reporting interval multiplied by 10 Rejected frames per sec 10 is the number of frames rejected by 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 CD STATISTIC...

Страница 302: ... for RLP RLP 0 on FRM 2 3 0 2 on FRM Default is 0 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 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 ...

Страница 303: ...rame Rejects receivedonthe 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 ratio of frames rejected per second to frames accepted per second on the port Receive port util r...

Страница 304: ...ging 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 is generated Node Name node_xyz Port Statistics Thresholds RLP 0 Port 1 Database System...

Страница 305: ...ultiplied 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 Anne...

Страница 306: ...umbered 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 Ut...

Страница 307: ...f 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 CIR ...

Страница 308: ...rs set in commands from the protocol specifies the types of packets that can be received on this interface more than one category can be specified Directed and Multicast or Group and Fuctional Broadcast Node Name node_xyz LAN Card Statistics Display CardNumber 0 Type Ethernet MTU 1500 Report Interval sec 5 Current Time 6 05 97 10 32 45 Hardware Status Fully Operational MACStatus Bound Open Packet ...

Страница 309: ...mber 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 memory access overrun errors Xmt w mul Coll is the number of frames that were transmitted after multiple collisions Xm...

Страница 310: ... bridge selected as Root in the spanning tree The selection of root is determined by the bridge with the lowest Bridge ID which consists of a Bridge Priority and MAC address DesignatedBridge is the bridge connecting to the least cost path to the root bridge DlyExceeded is the number of frames discarded because of excessive delay OutFrames is the number of transmitted frames InCfgShort is the numbe...

Страница 311: ...atistics Displays IP Statistics IP statistics track traffic of IP datagrams through a node Press C at the Statistics Menu and when prompted enter a Report Interval 5 65535 seconds Default is 5 This is the frequency with which the screen will be redisplayed with the most recent values Figure 20 9 IP Statistics Display E C from Main Menu Node Name node_xyz IP Statistics Display Report Interval sec 5...

Страница 312: ...pplication e g SNMP on this node Bad Hdr Length is the number of datagrams received with a header size less than the minimum IP header length Local Pkts Sent is the number of datagrams generated forwardedby this node Bad Pkt Length is the number of datagrams received with a length other than the length of the header Pkts Dropped is the number of datagrams dropped due to a situation such as lack of...

Страница 313: ...de which identifies parameters for the control message Responses Cnt is the total number of responses from this node to echoes and requests for timestamps information and address masks all described later 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 Errors 90 1000000000 Pkt Too Short 90 100...

Страница 314: ...ts from other entities in the IP network to respond to those entities as a means of confirming that communication is pos sible Out In Time Exceed is the number of transmitted datagrams that subsequently were discarded by a router due to expiration of the datagram s time to live or by a destination host due to inability to reassemble the datagram within the nec essary time period The message text s...

Страница 315: ...interface Press E at the Statistics Menu and when prompted enter Interface Number 0 128 Report Interval 5 65535 Default is 5 The displaywill be similar to the following figure with IP LAN or IP WAN at the upper left identifying the interface type Figure 20 11 IP Interface Statistics Display E E from Main Menu CURR is the current value and CUMULATIVE is the total since the last IPL of the node Node...

Страница 316: ... Interval 5 65535 Default is 5 Figure 20 12 IPX Statistics Display E F from Main Menu There are three screens of IPX statistics Pressing F7 will display the next one if there is one and pressing F6 will display the previous one if there is one All IPX statistics are listed below Node Name node_xyz IPX Statistics Display Page 1 of 3 Interface 0 Report Interval sec 5 Current Time 06 15 97 10 32 45 S...

Страница 317: ...rface RIP G_Query Rcv is the number of RIP General Queries received on the interface RIP N_Query Rcv is the number of RIP Nearest Queries received on the interface RIP G_Resp Rcv is the number of RIP General Responses responses to General Queries received on the interface RIP N_Resp Rcv is the number ofRIP Nearest Responses responses toNearest Queries received on the interface RIP Aged Entries is ...

Страница 318: ... number of entries that have been deleted from the routinginformationtable due to expiration of theSAP Age Timer configured in the IPX Interface record SAP Prd_Broadcast is the number of periodic SAP messages broadcast from this node advertising the available servers from the server table in the FRM SAP Upd_Broadcast is the number of SAP messages broadcast from this node to inform the network of c...

Страница 319: ...configured on the interface Rcv Pkts Filtered is the number of packets denied reception because of a filter configured on the interface Pkts Forwarded is self explanatory Echo Requests Rcv is the number of Echo Requests received on the interface Echo Replies Rcv is the number of replies to Echo Requests received on the interface Err_Type Pkts Rcv is the number of Novell error packets received on t...

Страница 320: ...o a filter T RIP Ent Filter is the number of transmitted RIP entries discarded due to a filter R SAP Ent Filter is the number ofreceived SAP entries discarded due toa filter T SAP Ent Filter is the number of transmitted SAP entries discarded due to a filter R RIP Pkt Filter is the number of received RIP packets discarded due to a RIP router filter T RIP Pkt Filter is the number of transmitted RIP ...

Страница 321: ... 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 andPrimary 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 node to route...

Страница 322: ...Max 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 reachesMax Congestion events are heldin the originating nodes buffers ...

Страница 323: ...nt messages 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 ...

Страница 324: ...meters 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 each message is preceded by the RLP and port numbers If the recommended action does not correct a problem contact Cabletron Systems Technical Support at Phone 603 ...

Страница 325: ...ceived 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 Modifythe Port record sothat 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 an...

Страница 326: ...this 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 excee...

Страница 327: ...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...

Страница 328: ...erity 4 Meaning The port statistic Transmit Port Util Utilization has exceededthe 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 400 Link Enabled Severity 2 Meaning The port has b...

Страница 329: ...letron Systems Technical Support See page 21 4 406 Operational Severity 2 Meaning For all ports except those noted below this means that the link is up For SNA TPAD this means that the XID exchange has been per formed and the XID data received in the response frame matches the XID data configured for the TPAD subscriber The link is ready to establish an X 25 connection with the remote HPAD For SNA...

Страница 330: ...on was received Action None 413 PAD Link Failed Severity 2 Meaning Self explanatory Action Check the async PAD port and its cables for proper operation and secure connection 414 Beginning of Congestion Severity 4 Meaning The level of Maximum Congestion specified in Node Defaults has been exceeded and no more events will be put into the event buffer until the MinimumCongestion level alsospecified i...

Страница 331: ...LCI must be ona different logical port and two records have been configured specifying the same logical port on one DLCI DLCIs are configured in records for logical ports IP LLC2 IPX interfaces over frame relay Bridge ports and frame relay PVCs Only one ofthe duplicate connections will come up Action Check the database records for the duplicate configuration and change one or more of the records 4...

Страница 332: ...g This applies to a debug tool used by service personnel and will not appear under normal operation Action None 436 RCV Unknown Event Code from Net Severity 2 Meaning An unknown event was received from the network Action None 437 RCV Invalid Event Format from Net Severity 4 Meaning The node has received an event with an invalid format Action None 439 Database Error Access Restricted Severity 1 Mea...

Страница 333: ...ne 445 Port Config File Upd PRTPAR DAT Severity 4 Meaning The Port configuration file has been updated 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 Remo...

Страница 334: ...been updated Action None 453 Alarm Enable File Upd ERRMSG TXT Severity 4 Meaning The Alarms file has been updated Action None 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 no...

Страница 335: ... Updated CUGPAR DAT Severity 4 Meaning The Closed User Group file has been updated Action None 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 ...

Страница 336: ...ended Action None 469 RLP Rtrn Frm S Under Threshold Severity 4 Meaning The situation that caused event 309 has ended Action 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 Meani...

Страница 337: ... Action None 479 Port Trn Usage Under Threshold Severity 4 Meaning The situation that caused event 319 has ended 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 T...

Страница 338: ...e n modified successfully Severity 4 Meaning Self explanatory 488 Error deleting route with destination n mask n router n Severity 3 Meaning Self explanatory Action Contact Cabletron 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 Meanin...

Страница 339: ...e s disk Copy this file to a diskette and send it to Cabletron Systems Technical Support see page 21 4 for analysis Meanwhile re enable the port 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 M...

Страница 340: ...alid port number or type Severity 3 Meaning The port number and or type specified inthe 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 ...

Страница 341: ...aning An invalid operation has occured and has disabled the port Action Take the same action as for message 500 524 Invalid Line Speed 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 c...

Страница 342: ...ailable DLCI Action Configure the DLCI or resend the frame 536 DLCI n No Response 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 ex...

Страница 343: ...ed 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 No Status En...

Страница 344: ...pplications file 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 Actio...

Страница 345: ... sent a Disconnect Mode response and the logical link is down Action None 704 SDLC Link Stn rcvd FRMR Inv cmd Severity 2 Meaning The remote device received an invalid command and responded with a Frame Reject 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 in...

Страница 346: ...the remote device has exceeded the window size Action None 712 SDLC Station Inactivity timer exp Severity 2 Meaning The timer defined by the parameters No Response Poll Period and Maximum Retransmissions in the 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 establish...

Страница 347: ...ake sure it is operational 721 SDLC No CTS on link Severity 2 Meaning A necessary CTS was not received from the DCE Action Check the modem to make sure it is operational 722 SDLC No External CLock Severity 2 Meaning The necessary clock is not being provided Action Check the modem to make sure it is operational 736 SDLC LLC 2 Remote Link Stn lost Severity 2 Meaning The remote stationis not respondi...

Страница 348: ...s not permitted and returned a Frame Reject Action None 741 LLC 2 FRMR Rcvd Invalid Nr Severity 2 Meaning The remote device received an invalid N r and returned a Frame Reject Action None 742 LLC 2 FRMR Rcvd 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 remo...

Страница 349: ...e 748 LLC 2 FRMR Rcvd no reason Severity 2 Meaning Self explanatory 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 Lin...

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Страница 351: ...Section IV Appendices ...

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Страница 353: ...password defined in the Async PAD Login record 3 The FRM PAD banner describedonpage 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 ...

Страница 354: ...ion Same as 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 ...

Страница 355: ...nals described later in this appendix Tosend data once you are in Data Transfer mode simplyenterthe 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 bee...

Страница 356: ...e 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 onthe port due to either noise on the channel or an incompatibility between the parity settings o...

Страница 357: ...nd 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 Procedure Err...

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Страница 359: ...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...

Страница 360: ...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...

Страница 361: ...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...

Страница 362: ...ted 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 1...

Страница 363: ...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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Страница 365: ...rm 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 status of a...

Страница 366: ...ribed 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 youwant to create a batch file of the commands you send specify the desiredInputFile Name then specify ON for Write To File If you do not want to create a batch file make sureWrite To File is OFF To repeat the last command you entered p...

Страница 367: ...ions 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 PUs This is the defa...

Страница 368: ...fied PU or for 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 FRM 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 updat...

Страница 369: ... Local 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 FRM database value s with all changes made since the last COMMIT on line update of the record or node IPL Un...

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Страница 371: ...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...

Страница 372: ...76 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...

Страница 373: ... 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 ...

Страница 374: ......

Страница 375: ...er Definitions and Applications A Review 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 Fil...

Страница 376: ...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 Configure Frame ...

Страница 377: ...ignals E Traffic Monitor A Port Monitor B LAN Capture Status and Control Menu C LAN Capture Review A IPX RIP Table Display B IPX SAP Table Display C SDLC PU Status D Bridge Status Displays A Bridge Port Status Display B Bridge Forwarding Table Display E Frame Relay Backup Status A Display States for all Backup DLCIs on a Port B Display States for all Primary DLCIs on a Port C Display States for al...

Страница 378: ...C View Initialization Report D View Previous Initialization Report ...

Страница 379: ...to MAC addresses ASCII stands for American 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 con...

Страница 380: ...n transmitting 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 usedto verifythe integrityofbits 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 a...

Страница 381: ... 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 RLPDU is sent DTE stands for data terminal equipment which is the devic...

Страница 382: ... 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 checking Frame relay is transmission of data in a format that combines level 2 and level 3 functionality b...

Страница 383: ...perating over short distances at high speeds LCN stands for logical channel number which is usedas anidentifier for a virtual circuit between a DTE and a DCE Level 2 is the link layer in the ISO International Standards Organization 7 layer OSI Open Systems Interconnect reference model Level 3 is the packet layer in the OSI reference model Line Interface Card is a four port daughter card attached t...

Страница 384: ...es 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 connected by communications channels NMVT stands for networkmanagement vector transport which is an IBM service encoding used in sessions between a control point and a PU physical unit Nod...

Страница 385: ...nt 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 which is a method of encapsulating SNA traffic for transmission over X 25 R RIP stands for routing information protocol which provides for dynamic routing in a TCP IP implementati...

Страница 386: ...sing 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 Points SDLC stands for synchronous data link control IBM s version of CCITT s HDLC high level data link control bit oriented protocol Segmentation is the same as Fragmentation SNA stands for IBM s Systems Netw...

Страница 387: ...s an independent logical path betweentwo subscribers ofa packet switching network established for the purpose of exchanging data VTAM stands for IBM s virtual telecommunications access method X X 21 is a CCITT recommendation that species the DTE DCE interface for synchronous operation on public data networks X 25 is a CCITT recommendation that specifies the DTE DCE interface for packet mode operat...

Страница 388: ......

Страница 389: ...7 Autocall Delay 12 11 Autocall Retry Count 9 11 Autocall Retry Time 9 11 B Backup Group Number 7 18 Backup status frame relay 19 19 Bandwidth Allocation Group 4 9 8 17 9 13 9 24 9 29 13 11 14 13 15 15 Bandwidth Allocation Groups configuring 7 6 Bcast Addr 13 14 BECN Recovery Count 7 18 Bit swapping 9 22 Bits per Character 4 5 Blocked Port Flag 7 15 8 8 8 16 9 8 9 28 10 5 11 4 12 10 14 13 15 14 BO...

Страница 390: ...MAC Address Value 15 9 Destination Mask 13 16 Destination NetBIOS Name 15 10 Destination Network Value 14 7 Destination Node Value 14 7 Destination Socket Value 14 7 Destination Subscriber 13 12 14 15 Devices Connected 12 14 Diagnostic codes B 2 Cabletron specific B 4 SNA B 4 X 25 B 2 Dial port configuring 8 6 Dial Support 8 13 Disable Request Disconnect 9 9 Disable Status Response 10 13 Disable X...

Страница 391: ...nction keys 2 6 G Gap 14 2 Generate Clock 7 16 8 10 9 9 10 6 11 5 Generate M bit Packets 12 11 Group n Excess Priority 7 8 Group n Percentage 7 7 Group n Use Excess Burst 7 8 H Hardware overview 1 3 Help on line 2 6 Highest Incoming Channel 8 10 8 18 Highest Outgoing Channel 8 10 8 18 Highest Two Way Channel 8 10 8 18 Hops 14 17 Host MAC Address 9 22 9 30 15 15 HSAP 9 25 Hunt group example 8 24 I ...

Страница 392: ...10 9 25 Locally Admin MAC Addr 5 4 Logging out 2 10 Logical Channel 8 34 12 19 Logical DCE 7 16 8 10 8 18 Logical port configuring 8 1 Login Password 12 7 Login Required 12 11 Lowest Incoming Channel 8 10 8 18 Lowest Outgoing Channel 8 10 8 18 Lowest Two Way Channel 8 10 8 18 LP statistics displaying 20 1 LPDA Resource ID 9 11 LPDA Support 9 9 M Main Menu 2 4 Mapped DLCI Number 8 16 Mask Link Alar...

Страница 393: ...15 14 Port Type 7 15 8 8 9 7 10 5 11 4 12 10 Preferential CUG 8 13 8 20 Preferential CUG Flag 8 13 8 20 Primary Alarm Output ID 4 5 Primary Alarm Output Pwd password 4 5 Primary Alarm Reporting Error 4 2 Primary C n NOT Initialized 4 2 Primary C n NOT installed 4 2 Primary Connection Problem 4 2 Primary DLCI 7 21 Primary Name 7 21 Primary NOT Configured 4 2 Primary P n NOT Initialized 4 2 Primary ...

Страница 394: ...C n NOT Initialized 4 2 Secondary C n NOT Installed 4 2 Secondary Connection Problem 4 2 Secondary DLCI 7 21 Secondary Name 7 21 Secondary P n NOT Initialized 4 2 Secondary P n NOT Installed 4 2 Secondary Port 7 21 Secondary Printer Problem 4 2 Secondary RLP 7 21 Seq 13 13 16 3 16 4 Serialization Enabled 14 15 Server Name 14 6 14 18 Server Network Address 14 18 Server Node Address 14 18 Server Soc...

Страница 395: ...Timer 7 17 T2 Wait Ack Period 8 9 8 17 T20 Restart Timer 8 12 8 20 T21 Incoming Call Timer 8 12 8 20 T22 Reset Timer 8 12 8 20 T23 Clear Timer 8 12 8 20 T3 Link Alive Period 8 9 8 18 Terminal operations async A 1 Thresholds statistics configuring 20 2 20 4 Throughput Class Negotiation 8 11 8 18 Ti 4 9 9 12 9 23 Time to Hold Data While Waiting 7 19 Time changing 2 9 Timeout if No Call 12 13 Timeout...

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