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SmartStack STS16-20RM/STS16-20FRM Token Ring Switches, P/N: 9032957-01

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Содержание SmartStack STS16-20FRM

Страница 1: ...SmartStack STS16 20RM STS16 20FRM Token Ring Switches Installation and User Guide...

Страница 2: ......

Страница 3: ...NDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS...

Страница 4: ...ch case the user will be required to correct the interference at his own expense WARNING Changes or modifications made to this device which are not expressly approved by the party responsible for comp...

Страница 5: ...and Conformance to Directive s Product Standards EC Directive 89 336 EEC EC Directive 73 23 EEC EN 55022 EN 50082 1 EN 60950 Equipment Type Environment Networking Equipment for use in a Commercial or...

Страница 6: ...bels 7 Status and Activity LEDs 8 Back Panel Details 10 Features and Specifications 11 Features 11 Specifications 13 2 Switch Overview 17 Multiple Simultaneous Conversations 18 Low Latency 19 Address...

Страница 7: ...ing for Installation 41 Safety Recommendations 41 Safety with Electricity 41 Preventing Electrostatic Discharge Damage 42 Site Requirements 43 Environment 43 Chassis Accessibility 43 Cooling and Airfl...

Страница 8: ...k Configuration Screen 79 Module Information Screen 80 VLAN Configuration 82 VLAN Configuration Menu 83 VLAN Configuration Screen 84 VLAN Parameter Configuration for CRF Screen 86 VLAN Parameter Confi...

Страница 9: ...ink Configuration Screen 132 Creating a Console Session Using a Modem 133 Stopping the Console Session 133 Telnet Configuration Screen 134 Telnet Sessions Screen 135 Starting the Telnet Session 136 St...

Страница 10: ...CRF 189 VLAN Statistics Screen for BRF 190 DSRR Status Screens 191 DSRR Status Tables Screen 191 DSRR Neighbor Table Screen 192 DSRR Acting as Backup Table Screen 193 Diagnostic Test Results Screen 1...

Страница 11: ...and Pin Information 227 Connecting to the Out of Band Management Port 227 Out of Band Management Port and Cable Pin Outs 228 Twisted Pair Cable Pin Outs 230 Cabling Recommendations 231 Cable Length a...

Страница 12: ...ple Application of the Switch 49 Figure 14 Typical Network without the SmartStack Switches 50 Figure 15 Relieving the Overstressed Backbone 50 Figure 16 Replacing SRBs with STS16 20RM or STS16 20FRM 5...

Страница 13: ...able 10 Console Configuration Settings 67 Table 11 Modem Settings 133 Table 12 Symptom LED State and Recommended Procedure 214 Table 13 Connecting to the Management Port 227 Table 14 Pin out of the Ma...

Страница 14: ...xii Notice...

Страница 15: ...the switch Note References to SmartStack STS16 20RM are also applicable to SmartStack STS16 20FRM The topics of this chapter are presented under the following titles Switching Technology starting on...

Страница 16: ...ned its own 16 Mbps segment In Token Ring networks the major bottleneck is typically the throughput to high bandwidth devices such as servers and between routers bridges and switches An effective solu...

Страница 17: ...ly between client and server the switch can be very effective Switch of Hubs When network traffic increases beyond the capability of hubs contention results Applications suffer and may even fail The n...

Страница 18: ...o provide firewall WAN connectivity security and connection between dissimilar LANs routers are unable to provide high throughput between desktop devices and servers Because of these limitations route...

Страница 19: ...on of LEDs Switches and Connectors on STS16 20RM Figure 4 Location of LEDs Switches and Connectors on STS16 20FRM The MANAGEMENT Port The 9 pin male Out of Band Management OBM port labelled MANAGEMENT...

Страница 20: ...of Token Ring connection is being employed on each of its ports whether it is a connection to a shared media segment via a Token Ring concentrator Station mode to another Token Ring switch operating...

Страница 21: ...anel Pressing the reset button resets the hardware and software and clears all tables and memory including the address tables Pressing the reset button does not clear the values stored in nonvolatile...

Страница 22: ...LEDs Table 1 lists the status LEDs and their meanings The stack link LEDs and port LEDs are described in the tables on the next page LED State Meaning PWR Off The switch is not connected to a power o...

Страница 23: ...On or blinking Data is being received from the stack link ATTACH On A connection has been established to the stack Table 2 Stack link LEDs and Their Meanings LED State Meaning INS left LED of port On...

Страница 24: ...k panel of the switches are illustrated in Figure 5 Figure 5 The Back Panel Table 4 lists the back panel connectors on the switch Name Description AC connection Standard AC power connection Redundant...

Страница 25: ...hing Source route bridging SRB Source route transparent bridging SRT Support for duplicate MAC address schemes Automatic port sensing of operating mode and media speed Multiple Token Ring port operati...

Страница 26: ...modem of new switch microcode Up and download of switch configuration via TFTP Scalability and High Availability Up to 5 500 active LAN stations per group of four ports 1 4 5 8 9 12 13 16 17 20 with...

Страница 27: ...er of additional Token Ring ports in expansion modules 8 Number of Token Ring switches in stack 8 using the SmartStack STS 8SU Stacker Unit 5 using the SmartStack STS 5SU Stacker Unit 2 using the Smar...

Страница 28: ...rate unicast or broadcast for entire switch 1 500 000 pps for smallest frame sizes Within switch latency cut through 35 s Table 6 Performance Specifications Specification Value Rack mount 19 rack mou...

Страница 29: ...s A Safety IEC 950 UL1950 CSA C22 2 No 950 EN60950 MANAGEMENT port TIA EIA 232 F DB9 male connector Software updates Flash PROM TFTP X modem Protocol compatibility Transparent to higher layer protocol...

Страница 30: ...ction Network management SNMP Management Platform Console Telnet sessions SmartStack Manager for Windows 95 and NT Additional management applications available on Unix platforms Tivoli TME 10 NetView...

Страница 31: ...s running bandwidth intensive applications can receive their own dedicated 16 Mbps port Each dedicated port can also be set up in full duplex communication mode so that each 16 Mbps port doubles to 32...

Страница 32: ...ifferent ports on the switch for the next byte Figure 6 Multiple Conversations Through a STS16 20RM or STS16 20FRM Switch For example as shown in Figure 6 while host A is transmitting a byte to host B...

Страница 33: ...acket before forwarding it By minimizing delay the switch can move more packets freely throughout the LAN without degrading performance Address Management At power up the system address tables do not...

Страница 34: ...e switch bridging modes are founded on the concept of logical rings LR or logical segments in Ethernet The logical ring is represented on the switch by the DTR IEEE 802 5r standard s concentrator rela...

Страница 35: ...The switch does not otherwise act as a source route bridge For non source routed packets the switch decision is based upon destination MAC Addresses For source routed packets it is based on the sourc...

Страница 36: ...ng will take place between all logical rings The purpose of the SRT SRB mode is to allow duplicate MAC addresses to be used when in SRT mode The ports on which the duplicate MAC addresses reside can b...

Страница 37: ...one of three ways Block destination address at a specific port this prevents the specified port from sending frames to a specified destination Allow destination address at specific ports this indicate...

Страница 38: ...t 16 Mbps Store and Forward In this mode the switch receives the total packet from the input port checks it for any errors and then starts forwarding the packet to the destination port This technique...

Страница 39: ...nother switch in full duplex mode This is also known as Transmit Immediate TXI port mode Full duplex station emulation Connects to another Token Ring switch This is also known as Transmit Immediate TX...

Страница 40: ...ection to the other switch port creates redundant paths because the two switch ports are connected to the same segment Therefore the IEEE Spanning Tree Protocol STP must be enabled which will place on...

Страница 41: ...Server for LAN allow multiple adapters to be treated as one virtual adapter in the server thus allowing multiple connections between a server and the backbone switch or switches During normal operatio...

Страница 42: ...come inoperative the switch dynamically redistributes the traffic to the remaining links The CrossLink remains in operation as long as there is at least one link in operation If a failed link is resto...

Страница 43: ...e Protocol The switch supports both the IEEE 802 1D and IBM Spanning Tree Protocols VLAN Support The virtual LAN VLAN concept creates a virtual switch within a physical switch or stack of switches A V...

Страница 44: ...30 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Switch Overview Figure 8 A Switch Configured with Two VLANs...

Страница 45: ...ing and an emulated Token Ring or another legacy ring as illustrated in Figure 9 Figure 9 Example of Dynamic Source Route Recovery Base Configuration This configuration already has redundant paths bet...

Страница 46: ...r its link to any of the Token Rings fail one of the remaining active switch es will after a short interval activate its backup path to take over the traffic of the failed switch see Figure 11 When th...

Страница 47: ...equired to handle simultaneous failure of n switches While the above example shows redundancy for a BRF with two CRFs it is also possible to provide partial redundancy for a BRF with more than two CRF...

Страница 48: ...wing MIBs are supported Most user configurable variables will be supported in either the standard MIBs or the proprietary MIB Configuration settings such as port attributes and operational information...

Страница 49: ...band via the TIA EIA 232 F that is RS 232 port labeled MANAGEMENT or in band via Telnet IBM LAN Network Manager The switch does not support management by the IBM LAN Network Manager but it will allow...

Страница 50: ...ticular statistic internally and when the statistics reaches a threshold the switch will send a trap to the client This monitoring method reduces traffic between the SNMP client and the switch The swi...

Страница 51: ...ayer Counters MAC Layer Error Counters Frame Forwarding Counters 8 Capture Not supported 9 Event Supported 10 Token Ring Supported The Token Ring Ring Station Group Only supported as read That is only...

Страница 52: ...e STS16 20 series to be stacked together One of the switches in the stack must contain the SmartStack STS 5SU Each switch in the stack must be equipped with a SmartStack STS LM Link Module and an appr...

Страница 53: ...of resilience to power supply failures The switch will start using the external power supply if the internal supply fails The switch monitors the power source and informs the network management syste...

Страница 54: ...40 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Switch Overview...

Страница 55: ...ted to a properly wired and earthed receptacle Any equipment to which the switch will be attached must also be connected to properly wired and earthed receptacles Warning Before working on equipment t...

Страница 56: ...ss the condition of the victim and then call for help Determine if the person needs rescue breathing or external cardiac compressions then take appropriate action Preventing Electrostatic Discharge Da...

Страница 57: ...and forcing heated air out through holes in the right side If the internal temperature exceeds 50 C 112 F a temperature error is reported to the console Caution To protect the equipment from overheat...

Страница 58: ...the unit to avoid dropping it on the floor or any equipment beneath it in the rack The STS16 20RM unit and the STS16 20FRM unit each weighs approximately 8 8 kg 19 4 lbs Caution To separate the switch...

Страница 59: ...heck Sequence FCS characters This corresponds to a Maximum Transfer Unit MTU of 17 800 bytes The default maximum physical frame length of the switch is 4 546 bytes which corresponds to an MTU of 4 472...

Страница 60: ...establish session activity during this time resulting in error messages indicating a connection failure These applications should be configured to wait at least thirty seconds after the LAN link has b...

Страница 61: ...igure the ring numbers manually Connecting to Other Non IEEE 802 5j Compliant Fiber Devices When connecting ports on the STS16 20FRM switch or on the fiber module SSIM T8 04 Token Ring SmartStack Inte...

Страница 62: ...o access units located in a single wiring closet You can install an switch in the same wiring closet and divide the LAN into 4 segments of 20 stations each One access unit port from each segment will...

Страница 63: ...peed shared media protocol or by installing additional bridges or dual backbones to eliminate bottlenecks the STS16 20RM switch and the STS16 20FRM switch offer dedicated media that might be longer li...

Страница 64: ...al Network without the SmartStack Switches In Figure 15 the congested campus backbone and the sourcerouting bridges SRBs attached to it have been replaced by an STS16 20RM or an STS16 20FRM Figure 15...

Страница 65: ...the two MAUs and six bridges have been replaced by a single switch Internally the switch is configured with one BRF and seven CRFs allowing the switch to replace the MAUs and bridges without the need...

Страница 66: ...ly between switches be sure you have enabled spanning tree protocol the default setting for spanning tree protocol is no or disabled Parallel paths create endless loops that cause unsatisfactory netwo...

Страница 67: ...ation Read Chapter 3 Preparing for Installation 2 Unpack the switch 3 Gather the materials 4 If you will be installing expansion modules install them now 5 Mount the switch 6 Connect the switch to the...

Страница 68: ...r Windows as well as user documentation in PDF format One SmartStack Manager for Windows Installation and User Guide One printed STS16 20RM STS16 20FRM Token Ring Switches Installation and User Guide...

Страница 69: ...Also see the user documentation supplied with the module 1 If you have not already done so unplug or remove power from the switch 2 Remove the SSIM from its box 3 Remove the plate covering the SSIM s...

Страница 70: ...56 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Installation Figure 18 Removing the SSIM Slot Cover...

Страница 71: ...previous chapter Chapter 3 Preparing for Installation Caution The following rack mounting instructions need to be observed to ensure that the switch and any other equipment are mechanically stable Th...

Страница 72: ...vide the extra mounting hardware Figure 20 Mounting the Switch in a Rack or Cabinet Table Mounting The switch operates at a low noise level which makes it suitable for a large enough flat surface such...

Страница 73: ...20RM use a Category 3 or better UTP cable or a 150 ohm STP or STP A cable with an impedance matching balun at each end STS16 20FRM supports 50 125 m and 62 5 125 m fiber cables with a VF 45 connector...

Страница 74: ...4 Label each end of the cables so that it will be easy to find the device if you have to troubleshoot a network problem Suggested information to place on the label includes the room location of the d...

Страница 75: ...nect these cables to the Ring In or Ring Out port on a media access unit MAU unless you use port 19 or 20 on the switch 5 Connect the other end of the cable to a Token Ring port on the switch 6 Label...

Страница 76: ...sconnecting the DC power cable Warning Unplug the power cord before you work on a system that does not have an on off switch Warning When installing the unit the ground connection must always be made...

Страница 77: ...t runs for approximately 1 2 minutes The DIAG LED is on for the duration of the test turning off when the self test is complete 6 At the completion of the diagnostics the front panel LEDs should be il...

Страница 78: ...64 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Installation...

Страница 79: ...for Windows Other Simple Network Management Protocol SNMP based applications Overview This chapter only describes how to access the switch console via the MANAGEMENT port Refer to the section Console...

Страница 80: ...TE Data Terminal Equipment device 2 Connect the other end of the cable to a PC or another DTE device OR 1 Attach a null modem adapter to the MANAGEMENT port 2 Attach a straight through modem cable to...

Страница 81: ...0 9600 19200 38400 57600 Parity None Data bits 8 Stop bits 1 Handshaking None Terminal emulation VT100 Duplex Full Software flow control XON XOFF Off input and output Hardware flow control RTS CTS Off...

Страница 82: ...e RETURN the combination keys ALT B the BREAK key and ESC After the DIAG LED turns off try one of the command keys at the console and press it repeatedly If there is no response wait several seconds a...

Страница 83: ...ce Boot image integrity check Passed Control transferred to boot process Boot Firmware Phase II v2 3 Program memory test Passed Relocating main image to DRAM Done Main image integrity check succeeded...

Страница 84: ...Also see Chapter 10 Troubleshooting to help find the cause At the end of the boot messages you should be prompted to press RETURN ENTER The following greeting screen of the switch console manager shou...

Страница 85: ...For information on how to connect the console see Chapter 5 Accessing Switch Management Subjects covered in this chapter General guidelines page 72 Main menu screen page 74 Configuration menu page 75...

Страница 86: ...urn to the greeting screen press CTRL B To refresh the console screen press CTRL L If you are administering switches in a stack many of the console screens will prompt for a box number Enter the numbe...

Страница 87: ...screen see Chapter 5 Accessing Switch Management Navigating within the Menus Use the arrow keys also referred to as cursor keys to highlight an item on the screen or menu Items that end with three do...

Страница 88: ...is given on page 75 Statistics Displays the Statistics menu for the switch Explanations of screens in the Statistics menu are in Chapter 7 Monitoring the Network from the Console Statistics Menu on p...

Страница 89: ...20FRM Token Ring Switches P N 9032957 01 Configuration Menu Open this menu by selecting Configuration in the main menu From the Configuration menu you can view and set the switch configuration paramet...

Страница 90: ...s the ENTER key A prompt appears near the bottom of the screen for entering text for that field Pressing ENTER again enters that text System Description Name and model of the switch or in the case of...

Страница 91: ...e Token Ring ports on a switch will be assigned MAC addresses using the following scheme BASE Module port 1 20 Will be assigned Switch Base Address port number LEFT SSIM port 1 4 Will be assigned Swit...

Страница 92: ...is it has an assigned port in the actual switch or stack of switches by selecting the lowest available MAC address above Stack Master Base Address 32 If management SNMP or TELNET contact with the swit...

Страница 93: ...Time of Day the lithium battery may need replacing If this is the case contact your local reseller Stack Configuration Screen To open this screen from the main menu select Configuration Switch Configu...

Страница 94: ...ication with the switch The default is 16 seconds Stack State Whether the SmartStack Switch Stacker is operational SmartStack STS LM or SmartStack STS 5SU Display only Stack Connection Whether the STS...

Страница 95: ...isted for the base switch For this module as well as for others this field displays the product number ID Decimal identifier of the module HW Rev Hardware revision level If 4K is displayed after the n...

Страница 96: ...upplied configuration information using the main configuration menus that information applies to VLAN default Virtual LANs affects other switch features in the following ways Spanning tree protocol ST...

Страница 97: ...the same CRF Therefore the console software prevents you from defining a CrossLink connection that includes ports in different CRFs It also prevents you from assigning the ports in an existing CrossLi...

Страница 98: ...CRF it is synonymous with the ELAN name on ATM LANE ports ID Numeric ID Numeric ID assigned to the BRF or CRF This must be within the range of 2 to 1005 Brdg Rng Bridge Ring numbers For BRFs this is a...

Страница 99: ...ms in a VLAN Add Prompts for a new ID and brings up the VLAN Parameter Configuration screen Change Prompts for a numeric ID of a BRF or CRF to change and brings up the VLAN Parameter Configuration scr...

Страница 100: ...that the trcrf default cannot be deleted Also the trcrf default cannot be assigned to other BRFs The following information is displayed on this screen VLAN ID Numeric ID of the CRF Possible values are...

Страница 101: ...p Count Maximum number of hops for all routes explorer ARE frames Possible values are 1 through 13 The default is 7 Max STE Bridge Hop Count Maximum number of hops for spanning tree explorer STE frame...

Страница 102: ...default cannot be deleted The following information is displayed on this screen VLAN ID Numeric ID of the BRF Possible values are 1 through 1005 Values 1002 through 1005 and 1 are reserved for the def...

Страница 103: ...me size values of 1 548 4 546 default 9 236 and 18 192 respectively Bridge Number Source routing bridge number for this BRF Possible hexadecimal values are 0 through F The default is F 802 1Q VLAN ID...

Страница 104: ...nfiguration VLAN Port Configuration This screen is used to view and edit current port assignments to CRFs Port The port number Type Port type Possible values are TR For Token Ring ports HSTR For High...

Страница 105: ...a CRF that is a sibling of the selected BRF before IP assignment Interface MAC Address Displays the MAC address assigned to this BRF IP Address Used to configure the IP address of the switch in the se...

Страница 106: ...r intervals on all ports in the VLAN until the VLAN is assigned an IP address different from 0 0 0 0 or 192 0 2 1 The assignment can come from NVRAM during a boot from the console management or via Bo...

Страница 107: ...Besides the switch s IP address several other parameters in a BootP response are also recognized and recorded in NVRAM when received in the same response Default Gateway see the note on this page Subn...

Страница 108: ...k for spanning tree explorer frames and will work on the BRF level in the switch The IEEE spanning tree can operate on two levels BRF and CRF It is possible to have a spanning tree entity running on t...

Страница 109: ...d be configured to wait at least 30 seconds after the LAN link is active before attempting to establish session activity This delay can be reduced by modifying the 802 1D Spanning Tree Protocol defaul...

Страница 110: ...ol to be used Possible values are No IEEE IBM and Base on Bridging Mode The default is No If STP Participation is set to No the internal links between this bridge entity and the concentrator entities...

Страница 111: ...rridden See the STP Mode parameter in the section Spanning Tree for CRF Screen on page 99 IEEE STP Uses Bridge Functional Address Yes Sets the IEEE Spanning Tree to use the Bridge Functional Address 8...

Страница 112: ...efault 20 Bridge Forward Delay in Seconds Enter the time the BRF spanning tree entity waits between transitions from listening to learning and from learning to forwarding The minimum may not be less t...

Страница 113: ...ct a CRF from this list the Spanning Tree for CRF screen is displayed STP Mode BRF to CRF Determines the mode of the internal port from this CRF to the parent BRF Possible values are auto forwarding b...

Страница 114: ...particular port If STP Participation is set to IEEE or Cisco then the selected protocol will be used to determine the forwarding blocked mode of the ports that are configured with an STP mode of auto...

Страница 115: ...o Time and Switch Forward Delay Switch Forward Delay in Seconds The time the switch waits between transitions from listening to learning and from learning to forwarding The default is 15 The minimum i...

Страница 116: ...n you select a CRF from this list the Spanning Tree for CRF screen is displayed 4 On the Spanning Tree for CRF screen select Port Spanning Tree Parameters Use the Port Spanning Tree Parameters screen...

Страница 117: ...be used to determine the forwarding blocking state When set to blocked the port will not forward any frames When set to forwarding the port will always forward frames If the port is used to connect t...

Страница 118: ...the base switch ports the screen will look as in the following example screen For the uplink ports refer to the uplink guide Note When auto is selected for fields that support the auto option the cur...

Страница 119: ...ampling period in minutes The number of configuration losses occurring within this interval is compared to the Cfg Loss Threshold to determine if a port should be disabled Possible values are 1 60 min...

Страница 120: ...ill depend on the number of errors that occur on this port during the sampling interval If the error rate is below the error low threshold cut through mode is used If the error rate is above the Error...

Страница 121: ...Max Explorer Rate on Input The maximum Explorer frame forwarding rate per second Possible values are Disabled default or 0 5000 Duplex Mode The port operation mode Possible values are as follows Auto...

Страница 122: ...20FRM Token Ring Switches P N 9032957 01 Switch Configuration Note If you change any configuration parameters of a connected port the port will close and reopen and you will lose all address informati...

Страница 123: ...de Figure 26 Setting up CrossLinks The CrossLink feature affects other switch features in the following ways Half duplex and full duplex A single CrossLink can include a combination of half duplex and...

Страница 124: ...dresses the system module assigns locations alternately to other ports in the CrossLink When all ports in the CrossLink have at least one address assigned the system module starts assigning from the p...

Страница 125: ...tack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 CrossLink Menu To open this menu from the main menu select Configuration CrossLink Use the CrossLink menu to access the CrossLink Configu...

Страница 126: ...nnection follows CrossLink List of different CrossLink setups Ports The ports within that specific CrossLink Add Entry Prompts you for port numbers for a CrossLink Enter 2 8 ports Start with the lowes...

Страница 127: ...do you may create loops Cable only the ports you have added to the CrossLink menu If you connect additional ports between two STS16 20RM series switches a loop results 1 Disconnect the ports you want...

Страница 128: ...this screen from the main menu select Configuration CrossLink Current CrossLink Information Use this screen to display the status of the CrossLink CrossLink The number of the CrossLink referring to th...

Страница 129: ...ity menu to create port filters Filters are port specific and applied to a switch s incoming traffic only Up to 250 filters can be created for each switch the filters must be applied to specific ports...

Страница 130: ...ollowing filtering menus are presented Filters and Port Security Menu To open this screen from the main menu select Configuration Filters Port Security Use the this menu to access the filtering menus...

Страница 131: ...screen a list is displayed of the available filter functions with a selectable highlight After a choice is made the console prompts you for the necessary parameters Index The number index MAC Address...

Страница 132: ...f a packet is sent to a specified address it is allowed to enter the switch through the specified port s This feature is used in conjunction with port security Force a packet with the destination addr...

Страница 133: ...port you can block all source addresses by secure source at that port and then use port filtering as explained in the previous sections to selectively allow specific addresses to send from that port...

Страница 134: ...Ring port number that is 1 20 The following screen displays an example of a port using the MAC address filters and port security Index Numerical order of entries MAC Address The specific MAC address t...

Страница 135: ...sed on protocol you can define protocol classes and then assign filtering attributes to these classes on a per port basis The classes in protocol filtering are based on destination service access poin...

Страница 136: ...es not assigned to any other class You modify a class by highlighting the class and pressing ENTER You will then be prompted for the field to modify Name Ethertype or DSAPs When all classes have been...

Страница 137: ...Attributes screen appears you will be prompted for a port to modify Class For the selected port use the Class column to select a class to modify Block The Block column may have the following values A...

Страница 138: ...allow transparent bridging for frames in this protocol class If No is selected only source routed frames can be bridged between CRFs for this protocol class Ethertype Information column showing the Et...

Страница 139: ...ster address table after the system aging time Set at the Master Address Table Aging menu There are two levels to set for the port and master aging tables Time Interval Aging is a time limit in minute...

Страница 140: ...s Aging Menu To open this menu from the main menu select Configuration Address Aging The screens opened from this menu are described in the following sections Port Address Table Aging Screen To open t...

Страница 141: ...s The maximum time for this value is 9999 minutes 0 indicates that address aging is disabled Demand Aging Level Sets a percentage threshold of address table capacity to ensure that the port s address...

Страница 142: ...regardless of whether they have been seen within that time period This situation is not very likely but the function is a security against remaining unused addresses in the memory for an indefinite t...

Страница 143: ...you establish a password users must enter it to access the console menus If there is no password just press ENTER at the password prompt Set Read Write Password Establishes or changes the password fo...

Страница 144: ...across warm boots and power cycles Note If you have forgotten the password you can delete it by depressing the unlabeled system request button on the front panel of the switch for one second releasing...

Страница 145: ...ENTER To open this menu from the main menu select Configuration Console Configuration Serial Link Configuration See page 132 for an example of this screen and an explanation of its contents Telnet Con...

Страница 146: ...ntrol Enables the XON and XOFF characters which are 11and13 hexadecimal respectively Default Disabled Autobaud Upon Break Indicates whether the baud rate is reset when a Break key sequence pressing EN...

Страница 147: ...correctly The settings shown in italics are particularly important If your modem is not configured correctly the connection may cause the switch to reset Start the console by pressing ENTER If a Telne...

Страница 148: ...guration menu Number of Telnet Sessions Allowed Limits the number of Telnet sessions Numbers allowed are from 1 to 5 Highlight this selection press ENTER and enter the number Default is 5 Disallow New...

Страница 149: ...lnet Sessions or Terminate All Active Telnet Sessions if you are accessing the configuration program via Telnet Telnet Sessions Screen To open this screen do the following 1 From the main menu select...

Страница 150: ...y be conflicts between Telnet sessions If one Telnet session is disrupted by the user at the console the Telnet session s configuration may not have been completed In some menus changes take effect im...

Страница 151: ...re has been no activity for 5 minutes Note If you are in a Telnet session and change the IP parameters either in the IP Information Session screen or Virtual LAN IP Configuration screen and save the c...

Страница 152: ...ch Warnings and Info messages A syslog facility code can be assigned to each of them On this screen you can configure up to 20 receivers More Displays more information Add Entry Adds a new entry to th...

Страница 153: ...139 Switch Configuration SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Change Entry Modifies an existing entry Zoom Displays more information...

Страница 154: ...overview on DSRR see Dynamic Source Route Recovery on page 31 in Chapter 2 Switch Overview Note Making the LANE Clients that correspond to the backup Virtual ATM Ports VAPs join the same Emulated LAN...

Страница 155: ...f a DSRR group with the same Group ID on another switch The CRFs containing the primary and traced ports of a DSRR group must not contain other ports A backup BRF can only forward traffic for one fail...

Страница 156: ...roup on this screen is as follows IX Index for selecting a group to be viewed changed or deleted Box Port Primary DSRR port This column displays the port that is connected to the legacy Token Ring on...

Страница 157: ...ort and Group The DSRR Configuration screen will appear DSRR Configuration Screen To open this screen from the main menu do the following 1 Select Configuration DSRR Group Configuration Select Change...

Страница 158: ...declared failed Possible values are 100 600 000 milliseconds the default is 1 700 Traced Port Identification of the virtual ATM port connected to the emulated or other legacy Token Ring When you sele...

Страница 159: ...hes P N 9032957 01 ATM Address This is the ATM address that identifies the Lan Emulation Client implementing the Virtual ATM Traced Port when applicable You cannot change the value of this parameter R...

Страница 160: ...Phase II v2 3 Copyright 1996 1998 on an attached terminal The image is included on the diskette in a file called STS_230 bt is the version number The boot code is upgraded from the TFTP or the System...

Страница 161: ...0 to 3 11 0 the configuration will be deleted It is recommended that you save the configuration before upgrading the software To open the Download Upload menu select Download Upload in the main menu...

Страница 162: ...D on the switch will be blinking 9 When the download is complete you will be prompted to reset the switch Press Y to confirm the reset The procedure is now complete If the download was interrupted or...

Страница 163: ...VLAN name through which the download is attempted Main Image Download Configuration Files Download Configuration Files Upload Select the required function and input the path and filename of the file...

Страница 164: ...s next reset by whatever means The newly stored image is not functional until a reset is performed When downloading configuration all configurable parameters will be replaced with this new configurati...

Страница 165: ...ou can select and initiate by moving the highlight over the item and pressing ENTER Reset Switch With Diagnostics A reset function is initiated with this command It resets the switch hardware runs dia...

Страница 166: ...f you are using the CrossLink feature be sure to disconnect the affected ports or disable them on the Port Configuration screen and reset the switch before clearing NVRAM If you are using the STP opti...

Страница 167: ...nformation is usually the result of input data from the configuration menus see Chapter 6 Switch Configuration The specifications presented on the statistic screens normally can not be modified Inform...

Страница 168: ...he Network from the Console Statistics Menu Statistics Menu To open the Statistics menu select Statistics in the main menu For information on how to use the console interface see General Guidelines on...

Страница 169: ...y the CPU within the switch for example SNMP requests The Port Statistics screen described in a later section refers to frames handled by the ports on the switch System Up Time Time passed since the l...

Страница 170: ...Active Stations Number of entries in the address table representing the number of currently active stations MAC addresses or nodes on all ports of the switch Largest Number of Stations The most statio...

Страница 171: ...tack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Power Supply Information Screen To open this screen from the main menu select Statistics Power Supply Information This screen displays in...

Страница 172: ...screen provides a summary of the status of all Token Ring ports Port The port number CRF The name of the CRF to which the port is assigned BRF The name of the BRF to which the port is assigned Enabled...

Страница 173: ...as an adapter s RI Ring In On STS16 20RM this is only possible on the Token Ring RJ 45 UTP ports 19 and 20 As for fiber ports they all support this mode The port is connected to a ring out connection...

Страница 174: ...Menu Port Statistics Menu To open this screen from the main menu select Statistics Port Statistics The Port Statistics menu provides access to statistical information for any particular port To enter...

Страница 175: ...cs screen to view detailed information about a particular port Frames Forwarded Number of frames forwarded by the port excluding those delivered to the host CPU system software for processing or to a...

Страница 176: ...s received on this port Broadcast Frames Received Number of broadcast frames received on this port without errors Multicast Frames Received Number of multicast frames received on this port without err...

Страница 177: ...rflows Total number of frames which could not be transmitted from this port because of transmit buffer overflow Long Frames Total number of frames received on this port which exceeded the maximum fram...

Страница 178: ...the switch performs a ring number test when the topology of the network changes At that time the port might be disabled Config Loss Number of configuration loss events after the port has completed the...

Страница 179: ...tation the E bit is zero in the frame or token and one of the following conditions exists 1 There is a non data bit J or K bit between the SD and the ED of the frame or token OR 2 There is an FCS erro...

Страница 180: ...TRR timer goes off Receive Congestion This counter is incremented when a station recognizes a frame addressed to its specific address but has no available buffer space indicating that the station is c...

Страница 181: ...of times the port has detected an open or short circuit in the lobe data path The adapter will be closed and Ring State will signify this condition Removes The number of times the port has received a...

Страница 182: ...d has the general format 0x text string where is a hexadecimal error code value and textstring can be No Status OK or a short text string indicating an error Before an open is completed the field has...

Страница 183: ...en Possible values are Unknown 4 Mbps 16 Mbps Unknown can indicate that the port will attempt to auto insert into the ring Upstream Neighbor The MAC address of the upstream neighbor station in the rin...

Страница 184: ...Console Statistics Menu 802 5 DTR MAC Information Menu To open this screen do the following 1 Starting from the main menu select Statistics Port Statistics 2 Enter a port number 3 Select 802 5 DTR MAC...

Страница 185: ...rized Function Classes Functional classes that a node is enabled to transmit This field displays the value set by the Authorized Function Classes subvector X 06 of the Change Parameters MAC frame Vali...

Страница 186: ...d displays the source address used in the last Beacon MAC frame transmitted or received Beacon UNA This field displays the value of the UNA subvector X 02 used in the last Beacon MAC frame transmitted...

Страница 187: ...rotocol Request subvector X 0E transmitted in the Registration Request MAC frame Possible values are TXI and TKP Station Access Protocol Response Response to protocol request This field displays the v...

Страница 188: ...Fault support CPort Phantom Drive Mask This field displays the value of the C Port policy variable PPV PD_MASK It represents the Phantom Drive and Wire Fault detection methods supported by the C Port...

Страница 189: ...tatistics Menu SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Address Tables Menu To open this menu from the main menu select Statistics Address Tables Use this menu to select wh...

Страница 190: ...tains MAC addresses of all the ports known to the switch The table can contain up to 10 000 entries memory See a detailed description of MAC addresses on page 77 Locate MAC Address Identifies the loca...

Страница 191: ...rt TS The address is known at the specified Translational Switch Port In this case nn will appear as box number port number The address is known at a port of another switch in the stack If the address...

Страница 192: ...oadcast One of the token ring broadcast addresses Present on all ports STP Port nn The MAC Address of port nn Ports The ports whose address tables include this MAC address Ports that have a filter for...

Страница 193: ...table Route hex The route descriptor triplet My ring number Bridge Number Distant ring This field will always have the format displayed in hexadecimal Ring numbers are in the range 001 FFF bridge numb...

Страница 194: ...tion Field of incoming frames at one or more ports The switch has however not yet learned the location of the route descriptor bridge because the target station has not sent any response frames Ports...

Страница 195: ...te Descriptor Table Screen To open this menu do the following 1 From the main menu select Statistics Address Tables 2 Select VLAN Route Descriptor Table 3 Select a CRF when prompted The VLAN Route Des...

Страница 196: ...e the box and port that have seen it as a source address Use this screen to locate a computer in the network MAC Address The MAC address of the a computer on the network Type in the address you want t...

Страница 197: ...r the Participate in Spanning Tree prompt at the Configuration menus this menu will only display the headers with no information below them When the switch is configured with CrossLink channels STP pa...

Страница 198: ...ity is configured from the Spanning Tree Configuration screen and port number is the bridge number an internal number for the CRF When using the IBM Spanning Tree the port ID is constructed from ring...

Страница 199: ...tree This information is useful if the switch is the designated bridge on one or more network segments Chgs Number of topology changes that is the number of times the CRF has entered the forwarding st...

Страница 200: ...longs to the currently selected BRF The following information is displayed on this screen Bridge ID Priority and MAC address of this bridge Root ID Priority and MAC address of the root bridge Root Por...

Страница 201: ...the spanning tree The port ID is expressed in the form port priority port number PCst Port Cost Cost associated with each port Lower numbers are generally assigned to ports attached to faster media s...

Страница 202: ...re network segments Chgs Number of topology changes that is the number of times the port has entered the forwarding state plus the number of times the port has made the transition from forwarding to b...

Страница 203: ...isplayed VLAN Statistics Screen for CRF To open the VLAN Statistics screen for CRF do the following 1 From the main menu select Statistics VLAN Statistics 2 You will be prompted for a VLAN type Select...

Страница 204: ...ics 2 You will be prompted for a VLAN type Select BRF 3 The VLAN Statistics Screen for BRF appears Currently Active Stations Number of MAC addresses currently in the master address table that are reco...

Страница 205: ...tus screens by selecting by selecting Statistics DSRR Status This section contains information on the specific screens DSRR Status Tables Screen Open this menu from the main menu by selecting Statisti...

Страница 206: ...creen will appear This screen contains a one page entry for each switch currently participating in the Redundancy Group including the one on the console of which the values are displayed Neighbor Last...

Страница 207: ...ll be prompted for the Index Ix value of the group then the screen will appear This screen contains an entry for each switch for which the local switch is presently acting as active backup Time Acting...

Страница 208: ...r errors or a specific diagnostic test has failed at a specified box switch The data that is shown on this screen is for monitoring information only and is meant for network personnel experienced with...

Страница 209: ...lex problems The message log will be preserved through resets but will be cleared after a configuration download The messages in the log can also be send to a syslog receiver see page 138 in Chapter 6...

Страница 210: ...TS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Monitoring the Network from the Console Statistics Menu Back Shows the previous screen if any Start End Move to the first or last page Clear Cl...

Страница 211: ...eters in a summary form The information is suitable for saving to an ASCII file by means of a capture function in the terminal emulation program used This file will often be requested by the Cabletron...

Страница 212: ...198 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Monitoring the Network from the Console Statistics Menu...

Страница 213: ...itch Management 2 Make the necessary configurations in the IP Configuration screen 3 Make the necessary configurations in the SNMP Configuration menu and the following subscreens Community String scre...

Страница 214: ...n SNMP Configuration Send Authentication Traps Indicates whether SNMP should issue an authentication trap to trap receivers whenever an unauthorized request is detected that is a read or write attempt...

Страница 215: ...r more SNMP managers Up to five different communities of 1 16 characters each can be stored in the switch Entries in the table are saved across resets and power cycles Trap Receivers Displays table of...

Страница 216: ...cles Index Sequential number of entries in the table Community Name Name or password used to identify the SNMP managers Note Community names are case sensitive Mode The privilege level assigned to thi...

Страница 217: ...ns the IP address associated with an SNMP trap receiver The Trap receiver table contains a maximum of 20 entries It is redisplayed each time the table changes Trap receiver table entries are saved whe...

Страница 218: ...t Trap A warmStart trap signifies that the sending protocol entity is reinitializing itself such that neither the agent configuration nor the protocol entity implementation is altered The linkDown Tra...

Страница 219: ...when the temperature in a switch exceeds normal or returns to normal STS16PowerSupply This trap is generated when the status of the power supply units changes Per Port Traps STS16PortStrNFwdEntry Thi...

Страница 220: ...FC1493 A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state or from the Forwarding state to the Blocking state The tra...

Страница 221: ...k with SNMP SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 This trap is sent when one of the links in an CrossLink fail The variable STS16CLPorts contains the ports which are ope...

Страница 222: ...208 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Monitoring the Network with SNMP...

Страница 223: ...te VLAN The monitored port can be any type of port Token Ring ATM HSTR and Fast Ethernet Note The analyzer port works as a normal port This means it can be in FDX HDX mode Station Port 4 or 16 Mpbs Mo...

Страница 224: ...t is in FDX mode only half the traffic will be received on the analyzer port Note A special probe is needed for using the passive monitoring feature Since MAC frames are copied from the monitored port...

Страница 225: ...k analyzer or probe will be attached Note This port should be assigned to its own CRF For information about assigning ports to a CRF see VLAN Configuration on page 82 Monitored Port Number The port th...

Страница 226: ...212 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Monitoring Port Traffic...

Страница 227: ...s Menu on page 160 can be helpful in isolating network level problems The Switched Port Analyzer feature allows a network analyzer to be attached to a port on the switch to monitor in real time switch...

Страница 228: ...of the LEDs are off 1 Verify that the power cord is connected at both ends and that the power outlet is working 2 If the power cord is connected correctly the outlet is working and the problem persis...

Страница 229: ...m and the remaining ports might continue to operate Reset the switch and monitor the diagnostic messages that appear for port failures The section Diagnostic Screen on page 69 includes a sample diagno...

Страница 230: ...service Contact your place of purchase 3 Do the following Using the console of the SNMP manager check to see whether the failing port is disabled If it is enable it A port will disable itself when th...

Страница 231: ...and is connected to shared media where there are no active stations the port will not open until another station becomes active and sets the ring speed If necessary this can be avoided by configuring...

Страница 232: ...218 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Troubleshooting...

Страница 233: ...d revision numbers of all involved Cabletron Systems products in the network A description of your network environment layout cable type etc Network load and frame size at the time of trouble if known...

Страница 234: ...Report Form from Cabletron s web site on the Internet Company ____________________________ Name ______________________ Address __________________________________________________________ Country _____...

Страница 235: ...221 Getting in Touch with Technical Support SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Problem Description Network Installation Sketch...

Страница 236: ...222 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Getting in Touch with Technical Support...

Страница 237: ...Protocol Data Unit BRF Bridge Relay Function CAU Controlled Access Unit CRF Concentrator Relay Function DSAP Destination Service Access Point DSRR Dynamic Source Route Recovery DIS Disabled DTE Data T...

Страница 238: ...rning LSN Listening MAC Media Access Control MAU Media Access Unit Mbps Megabits per second MIB Management Information Base MMF Multi Mode Fiber MTU Maximum Transfer Unit NMS Network Management System...

Страница 239: ...k Interface Module STE Spanning Tree Explorer STP Shielded Twisted Pair or Spanning Tree Protocol TCP IP Transmission Control Protocol Internet Protocol TIA Telecommunications Industry Association TFT...

Страница 240: ...226 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Abbreviations...

Страница 241: ...les that are used when connecting to the OBM port labeled MANAGEMENT on the front panel of the switch Cable Function Cable Type or Cable Solution Connect a modem to the MANAGEMENT port Connect one end...

Страница 242: ...GEMENT port For a terminal connection you can use either a null modem cable or a modem cable with a null modem adapter attached For a modem connection you can use a standard modem cable This section p...

Страница 243: ...apter DTR pin 20 and RTS pin 4 must be on or high on your terminal or in your terminal emulation program Figure 28 TIA EIA 232 Null Modem Cable for the 25 pin Connector Use a null modem crossover cabl...

Страница 244: ...ble Diagrams of these cables follow Straight Through 100 Ohm 120 Ohm Cable The switch RJ 45 connector makes ground available on the shield and on pins 1 2 7 and 8 Shielded cables will provide continui...

Страница 245: ...al for required patch cabling in both the office and telecommunications closet It is good practice to follow the cabling standards guidelines when installing building cabling to help ensure a longer u...

Страница 246: ...andard EIA TIA 568A For backbone cabling it is recommended that 62 5 125 micron multimode optical fiber cable that meets the international cable standard ISO IEC 11801 or the North American cabling st...

Страница 247: ...cables unless otherwise specified Ring Speed Types 1 and 1A Types 2 and 2A Type 8 Type 9 4 Mbps 750 m 2 460 ft 750 m 2 460 ft 376 m 1 234 ft 500 m 1 640 ft 16 Mbps 430 m 1 410 ft 430 m 1 410 ft 215 m...

Страница 248: ...Category 4 100 or 120 Ohm Category 5 4 Mbps 350 m 1 148 ft 350 m 1 148 ft 16 Mbps 200 m 656 ft 200 m 656 ft 100 Mbps Not Supported 90 m 295 ft Table 19 Lobe Lengths for 100 or 120 Ohm Shielded or Uns...

Страница 249: ...ribed for dedicated media segments on page 233 Note For an STS16 20RM the acceptable cable lengths are defined by the hub or concentrator attached to the switch port but in general the distances are h...

Страница 250: ...236 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Cable and Pin Information...

Страница 251: ...LAN Configuration screen 90 BRF state 88 BRF CRF on the VLAN Configuration screen 84 building wiring connecting devices to token ring ports 60 C cabinet mounting switches in 57 cables length rules 233...

Страница 252: ...ltering Attributes screen 124 diagnostic self test screens 69 Diagnostic Test Results screen 194 diagnostics LED 8 dimensions of switch 14 DIS 223 Display Summary screen 197 Download Upload menu 146 D...

Страница 253: ...224 LAN 224 LED 224 LEDs on front panel 5 8 LLC 224 lobe wiring rules 233 logical rings maximum number of 13 lookup table size 13 low latency principles 19 LRN 224 LSN 224 M MAC 224 MAC Address on Vie...

Страница 254: ...itor the network 153 network monitoring 153 NMS 224 NNM 224 NSR 224 number of ports on Module Information screen 81 number of switches participating in stack 79 NVRAM clearing 152 O OBM 224 opening th...

Страница 255: ...ore installation 45 S safety electricity 41 preventing electrostatic discharge damage 42 recommendations 41 specifications 15 41 scalability features 12 screen report 197 screens 802 5 State Informati...

Страница 256: ...tion 82 participation of BRF in 96 specifications 15 specifications 11 aggregate switching rate 14 capacity 13 lookup table size 13 maximum aggregate frame rate 14 maximum frame rate per port 14 maxim...

Страница 257: ...ding wiring 60 features 6 operation modes 25 specifications 13 traffic monitoring for ports 209 transmission priority queues 27 transparent switching principles 21 Trap Receivers screen 203 traps for...

Страница 258: ...index 8 SmartStack STS16 20RM STS16 20FRM Token Ring Switches P N 9032957 01 Index...

Страница 259: ......

Страница 260: ...710001810...

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