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CrossFire 8600/8605 Token-Ring Switches v. 1.2, P/N: 710001641

Switch Theory of Operation

Summary of Contents for CrossFire 8600

Page 1: ...DOC 6951 1 2 CrossFire TM 8600 8605 Guide to Operations Token Ring Switches...

Page 2: ......

Page 3: ...CrossFire TM 8600 8605 Token Ring Switches Guide to Operations...

Page 4: ...Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate...

Page 5: ...g Fiber Switch 1 The socket outlet shall be installed near the equipment and shall be easily accessible 2 To prevent electrical shock the power cord set used must comply with national regulations 2a T...

Page 6: ...iv CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641...

Page 7: ...System Request Button 7 Labels 7 Status and Activity LEDs 8 Features and Specifications 10 Features 10 Specifications 12 2 Switch Theory of Operation 17 How the CrossFire 8600 and the CrossFire 8605...

Page 8: ...cations for the CrossFire 8600 and the CrossFire 8605 50 Important Management Considerations 54 4 Installation 55 Required Network Preparation Frame Length Limit 55 Installation Summary 56 Unpacking I...

Page 9: ...Configuration Screen 94 BootP Requests and Parameters 96 SNMP Configuration Menu 97 Spanning Tree Protocol 97 IEEE 802 1D Spanning Tree Protocol STP 98 Spanning Tree for TrBRF Screen 99 Spanning Tree...

Page 10: ...een 138 TFTP 139 TFTP Download Upload Screen 139 Reset Screen 142 7 Monitoring the Network with the Console 145 Navigating Within the Menus 146 Statistics Menu 147 Switch Statistics Screen 148 Port St...

Page 11: ...bleshooting Process 195 Choosing a Troubleshooting Procedure 196 11 Getting in Touch with Technical Support 201 Before You Contact Olicom Technical Support 201 Hotline Support 201 Fax Support 202 Bull...

Page 12: ...x CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Cable Length and Lobe Wiring Rules for Shared Media LAN Segments 219...

Page 13: ...e Switches 52 Figure 11 Relieving the Overstressed Backbone 52 Figure 12 Replacing SRBs with CrossFire 8600 or CrossFire 8605 53 Figure 13 Star Wired Topology of Interconnected Switches 54 Figure 14 R...

Page 14: ...able 16 Connectivity Options 41 Table 17 Front Panel Connectors and Push Buttons 66 Table 18 Front Panel LEDs 67 Table 19 Back Panel Switches and Connectors 68 Table 20 Console Configuration Settings...

Page 15: ...stalling connecting and verifying the operation of the switch Chapter 5 Connecting a Network Management Console explains how to set up a console connection for in band or out of band switch management...

Page 16: ...xiv CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Appendix B Cable and Pin Information lists cables and cable types that can be used with CrossFire Token Ring equipment...

Page 17: ...ce This chapter also includes a list of features and specifications for the switch The topics of this chapter are presented under the following titles Switching Technology starting on page 2 Physical...

Page 18: ...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 solutio...

Page 19: ...ally 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...

Page 20: ...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 routers and swi...

Page 21: ...X RX INS 4 ACT ACT ACT ACT ERR INS INS INS DIAG 1 20 Token Ring UTP STP ports RST button reset ERR LED DIAG LED PWR LED Port ACT LED Port INS LED MANAGEMENT port Out of Band Management SysReq button S...

Page 22: ...ed media segment via a Token Ring concentrator Station mode to another Token Ring switch operating at 4 Mbps or at 16 Mbps to a dedicated media segment directly to a Token Ring LAN station operating i...

Page 23: ...n resets the hardware and software and clears all tables and memory including the address tables Pressing the reset button does not clear those values stored in non volatile random access memory NVRAM...

Page 24: ...able 1 below 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 ou...

Page 25: ...X On or blinking Data is being received from the stack link It is blinking when the stack interface is inserted ATTACH On A connection has been established to the stack Table 2 Stack link LEDs and The...

Page 26: ...Route Switching 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...

Page 27: ...P or X 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...

Page 28: ...the CrossFire 8635 Internal Stacker Module 2 using the CrossFire 8630 Stacker Link Module Maximum number of Token Ring ports in stack 224 using the CrossFire 8300 Switch Stacker 140 using the CrossFi...

Page 29: ...e sizes Aggregate switching rate unicast or broadcast for entire switch 1 500 000 pps for smallest frame sizes Within switch latency cut through 35 s Table 5 Performance Specifications Specification V...

Page 30: ...MANAGEMENT port TIA EIA 232 F DB9 male connector Software updates Flash PROM TFTP X modem Protocol compatibility Transparent to higher layer protocols Spanning Tree Protocol support IEEE 802 1D compl...

Page 31: ...Platform Console Telnet sessions Switch Manager for HP OpenView for Windows 95 and NT Included in Olicom ClearSight Management System Additional management applications available on Unix platforms HP...

Page 32: ...16 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Overview and Specifications...

Page 33: ...n multiplexed bus used for switching packets between heterogeneous LAN modules Token Ring Ports each port can attach to a classical Token Ring segment or to a dedicated station Now users running basic...

Page 34: ...different ports on the switch for the next byte Figure 5 Multiple Conversations Through a CrossFire 8600 or CrossFire 8605 Switch For example as shown in Figure 5 while host A is transmitting a byte t...

Page 35: ...packet 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...

Page 36: ...cept of Logical Rings This Logical Ring concept is equivalent to the DTR IEEE 802 5r standard s Concentrator Relay Function CRF Each port on the switch belongs to a Logical Ring CRF which is a logical...

Page 37: ...ses For source routed packets it is based on the source route information combined with the destination MAC address The switch learns MAC addresses and source routing route descriptors of Source Route...

Page 38: ...eliminate parallel paths with other SRT bridges The two resulting spanning trees are joined together The IEEE 802 1D Spanning Tree Protocol is still used to eliminate parallel paths within each logica...

Page 39: ...k to the normal level Three Switching Modes Cut Through In this mode the switch starts forwarding the packet to the output port as soon as the destination address or the source route of the incoming p...

Page 40: ...connection The mode of operation can be configured manually or sensed automatically with the exception of RI RO when equipment is connected to the port The media speed 4 or 16 Mbps can also be manual...

Page 41: ...by the value of the priority field in the frame control FC byte If FC priority is above a configurable level default 3 the frame is put into the high priority queue If an output port becomes congested...

Page 42: ...hes No frames are forwarded between ports belonging to different VLANs Logical rings on different VLANs may be assigned the same ring number but ring numbers must be unique within the same VLAN For ea...

Page 43: ...gurable variables will be supported in either the standard MIBs or the proprietary MIB Configuration settings such as port attributes and operational information such as address tables are fully acces...

Page 44: ...ce route bridges will be maintained Some error reporting functions and ring map functions might be lost for the rings attached to through the switch because a Token Ring Switch will not and should not...

Page 45: ...es not support sets only gets Ring Station Table is not supported The Token Ring Ring Station Order Group You can use an external RMON probe for full RMON support Note Remember to enable RMON Statisti...

Page 46: ...ports The CrossFire 8635 Internal Stacker Module works as a common backplane switching fabric which provides 1 4 Gbps of aggregate bandwidth External Stacker The CrossFire 8300 Switch Stacker is an ex...

Page 47: ...mmodates an optional switch matrix 8301 which includes a redundant power supply ensuring the highest degree of resilience in the stack of switches Caution The redundant power supply unit CrossFire 831...

Page 48: ...tion emulation The port is connected to a port on a MAU Connects to classical Token Ring segments with multiple stations in existing installations Full duplex concentrator port Connects to a single st...

Page 49: ...media speed detection 4 or 16 Mbps Enables the switch to detect automatically the speed of individual ports Makes installation easier and faster Congestion control The size of each port s output queu...

Page 50: ...after the entire packet has been received by the switch This is used for data transfer between LAN segments of different speeds or for LAN segments with a high error rate Does not propagate errors to...

Page 51: ...environments up to 2 km ATM155 uplink Gives the switch access to 1 or 2 ATM155 uplink connection s with LAN Emulation Enables smooth migration to ATM backbone networks and enables redundant ATM uplink...

Page 52: ...ogical rings Non Source Route frames NSR are not forwarded outside the logical ring Allows easy installation in existing Token Ring networks where Source Route Bridges are used Allows easy replacement...

Page 53: ...to be defined in both SRB and transparent switching configurations No single point of failure The duplicate STP modes allow operation in both transparent and source route bridging modes IBM When in S...

Page 54: ...and security control Enables effective broadcast control HP OpenView for Windows Additional Network Management applications available for Unix platforms HP OpenView NNM for HP UX and Tivoli TME 10 Ne...

Page 55: ...ask by making it easy to collect Token Ring statistics with a special passive network analyzer Active Port Monitoring All traffic switched to and from the monitored port is also sent to the monitoring...

Page 56: ...and destination MAC addresses Preserves available network bandwidth by restricting traffic from propagating beyond the needed limits Enables enhanced network security policies to be established Logica...

Page 57: ...stack B 5 switch stack C 8 switch stack Stack Products Needing A 2 x 8630 B 1 x 8635 and 4 x 8630 C 1 x 8300 and 8 x 8630 Allows several switches to be stacked accommodating switch scalability up to...

Page 58: ...42 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Switch Theory of Operation...

Page 59: ...could get caught in the chassis Fasten your tie or scarf and roll up your sleeves Wear safety glasses when working under any conditions that might be hazardous to your eyes Do not perform any action...

Page 60: ...e power cord To avoid the possibility of electrical shock unplug the power cord from the outlet before detaching the power cord from the switch Disconnect all power before doing the following Installi...

Page 61: ...nents Ensure that the chassis is electrically connected to earth ground using an ESD mat or a ground wire Wear an ESD preventive wrist strap ensuring that it makes good skin contact To safely channel...

Page 62: ...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 overheating do not operate...

Page 63: ...t to avoid dropping it on the floor or any equipment beneath it in the rack The CrossFire 8600 Token Ring Switch unit and the CrossFire 8605 Token Ring Fiber Switch unit each weighs approximately 8 8...

Page 64: ...penView for Windows also works as stand alone without HP Open View under Windows One CrossFire 8600 Series Token Ring Switch Manager for HP OpenView for Windows Guides to Operations One serial cable f...

Page 65: ...out the physical restrictions Frame Length Limit The switch supports a maximum physical frame length of 18 192 bytes This corresponds to a Maximum Transfer Unit MTU of 17 800 bytes The default maximum...

Page 66: ...ed to 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 w...

Page 67: ...media that might be longer lived or more economical if you eventually need higher demand applications Figure 10 on the next page illustrates a typical network without the CrossFire 8600 or the CrossFi...

Page 68: ...ork without the CrossFire Switches In Figure 11 the congested campus backbone and the source routing bridges SRBs attached to it have been replaced by an CrossFire 8600 or a CrossFire 8605 Figure 11 R...

Page 69: ...evel In Figure 12 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...

Page 70: ...1 1 2 TX TX RX TX RX 3 RX TX RX INS 4 ACT ACT ACT ACT ERR INS INS INS OK TOKEN RING SWITCH OC 8600 1 3 2 5 4 8 7 6 10 9 15 12 11 14 13 17 16 19 18 20 CrossFire STACK LINK ATTACH RX TX DIAG PWR RST ER...

Page 71: ...uences will be reported as frame errors by other ring stations In a stack of switches all stacker link modules in the stack must support 18 192 byte frames 18 KB frames for any switch in the stack to...

Page 72: ...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 network 7...

Page 73: ...Token Ring Switch Manager for HP OpenView for Windows One CrossFire 8600 Series Token Ring Switch Manager for HP OpenView for Windows Guide to Operations Olicom document number DOC 6960 One plastic b...

Page 74: ...a screwdriver if the screws are too tight to be removed with your fingers Retain the plate and thumbscrews for use in the event that the UEM is ever removed 4 Insert the card in the UES carefully fit...

Page 75: ...evious 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 The f...

Page 76: ...Mounting the Switch in a Rack or Cabinet Table Mounting The switch operates at a low noise level which makes it suitable for a work area or almost anywhere with a large enough flat surface such as a...

Page 77: ...ors on the CrossFire 8611 TokenRing UEM Standard converter cables are needed Connecting Devices to the Token Ring Ports If you will not be using building wiring in the wall cables to connect the devic...

Page 78: ...ave a UEM connect it using the instructions in the documentation shipped with it and then return here 2 Using the Switch Cabling Chart provided by your administrator as a guide connect the cables betw...

Page 79: ...present on your rack 8 To continue installing the switch continue with Applying Power Figure 18 Connecting using Building Wiring Checking the Installation Before you apply power to the switch inspect...

Page 80: ...de first and disconnected last Warning This equipment is intended to be grounded Ensure that the host is connected to earth ground during normal use Warning Do not touch the power supply when the powe...

Page 81: ...is complete 6 At the completion of the diagnostics the front panel LEDs should be illuminated according to the status of the unit s configuration See the following sections for a description of the co...

Page 82: ...MAU CAU RI RO port CrossFire 8605 Fiber Token Ring ports using VF 45 connectors All 20 fiber ports can attach to a MAU CAU RI RO port On CrossFire 8605 UTP STP connections are only available via the C...

Page 83: ...e ERR LED is off during normal operation If the LED turns on an error has occurred Power the switch down and up again The ERR LED should not turn on again Note that this LED turns on if the switch is...

Page 84: ...Installation Back Panel Table 19 lists the back panel connectors on the switch Name Description AC connection Standard AC power connection Redundant power supply Connector for the optional redundant...

Page 85: ...ns in band management are beyond the scope of this guide See the Olicom Switch Manager for HP OpenView Guide to Operations or the documentation supplied with you network management application How to...

Page 86: ...to communicate with the switch 3 Use these values to set the configuration parameters on your console for interfacing to the switch Specification Value Baud Rate 2400 4800 9600 19200 38400 57600 Pari...

Page 87: ...d resetting it will set it to its default mode of Autobaud enabled Depending on the type of console there are several console command keys that will potentially initiate the Autobaud routine in the sw...

Page 88: ...Touch with Technical Support Diagnostic Screen The diagnostic self test displays two different screens lists of information depending on whether you perform a cold boot power on cycle with full diagno...

Page 89: ...rity Warmboot initialization started LAN ports detected RJ 45 Token Ring 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 StkPort 29 Initializing Ports 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1...

Page 90: ...e ENTER key also called RETURN to enter the main menu The contents of the main menu the submenus and screens are described in subsequent chapters The information in these chapters includes configuring...

Page 91: ...nfiguration can also be modified from a remote VT100 console via a telnet session Subjects covered in this chapter General guidelines page 76 Main menu screen page 78 Configuration menu page 79 Switch...

Page 92: ...s CTRL L If you are administering switches in a stack many of the console screens will prompt for a box number Enter the number of the box you want to administer The VLAN term in connection with CRF i...

Page 93: ...creen or menu Items that end with three dots opens another screen or menu Pressing the ENTER key on such an item will display the new screen or menu If the item on the screen is a command such as Rese...

Page 94: ...creens in the Statistics menu are in Chapter 7 Monitoring the Network with the Console on page 145 Download Upload Displays the Download Upload menu that is explained in this chapter immediately after...

Page 95: ...items in the Configuration menu Detailed descriptions and of the submenus and screens these items open follow this list Switch Configuration Displays the Switch Configuration screen See page 81 Module...

Page 96: ...itor See page 193 CrossLink Displays options for creating a CrossLink connection See page 109 Filters and Port Security Menu for configuring address and protocol filtering See page 115 Address Aging F...

Page 97: ...of this switch Information in this field cannot be changed Burned in MAC Address The factory assigned base MAC address of the switch Information in this field cannot be changed Configured MAC Address...

Page 98: ...dress is used for the Token Ring MAC protocol and for the spanning tree protocol The switch reserves 63 addresses for TrBRF VLAN Each VLAN has an attached Bridge relay function TrBRF and a Management...

Page 99: ...s connected to the OBM port of the switch stack and the IP Configuration menu is entered From here it is possible to read the MAC address of the management entity TrBRF Address Format Display format u...

Page 100: ...ct your local reseller Stack Configuration Screen To view additional switch information select Stack Configuration on the Switch Configuration screen The Stack Configuration screen is displayed The fo...

Page 101: ...hether the CrossFire Switch Stacker is operational CrossFire 8630 or CrossFire 8635 Information in this field cannot be changed Stack Connection Whether the CrossFire 8300 Switch Stacker is connected...

Page 102: ...well as for others this field displays the product number Board ID Identifier of the board in decimal HW Rev Hardware revision level FW Rev Firmware revision level On modules with Token Ring ports th...

Page 103: ...ific to the appropriate VLANs If you have already supplied configuration information using the main configuration menus that information applies to VLAN default Virtual LANs affects other switch featu...

Page 104: ...are prevents you from defining a CrossLink connection that includes ports in different CRFs It also prevents you from assigning the ports in an existing CrossLink to different CRFs VLAN Configuration...

Page 105: ...ne BRFs and CRFs for the switch The VLAN Configuration screen is shown below TrBRF TrCRF ASCII name associated with the BRF or CRF For a CRF it is synonymous with the ELAN name on ATM LANE ports ID Nu...

Page 106: ...ssigned to it or a CRF if there are ports assigned to it Sort Sorts VLANs by Parent Child relationship or by VLAN ID VLAN Parameter Configuration for TrCRF Screen Use the VLAN Parameter Configuration...

Page 107: ...g number will be learned If the ring number has been learned the learned ring number will be prefixed with A Note Forwarding of frames between CRFs in SRB mode is only possible if the CRFs know their...

Page 108: ...ble values are 1 through 1005 Values 1002 through 1005 and 1 are reserved for the default BRFs and CRFs VLAN Name ASCII name associated with the BRF Up to 32 characters are allowed State Current state...

Page 109: ...ting bridge number for this BRF Possible hexadecimal values are 0 through F The default is F Local VLAN Port Configuration Screen The Local VLAN Port Configuration screen is used to view and edit curr...

Page 110: ...IP Configuration screen is displayed Interface MAC Address Displays the MAC address assigned to this BRF IP Address Displays the current IP address of the selected TrBRF To change it highlight the fi...

Page 111: ...0 or 192 0 2 1 BootP When Needed is the factory set default A switch for which NVRAM is not initialized for instance a new switch out of the box or on a bootup after NVRAM is cleared or one whose NVR...

Page 112: ...itch 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 note below Subnet Mask TFTP Bootfile Nam...

Page 113: ...the root assigning it the Forwarding or active state It assigns all other ports the blocking or standby state A port in the blocking state does not forward any transmitted frames in any direction Not...

Page 114: ...Tree Protocol default parameters If STP is enabled on a dedicated port and a station is attached to it it takes at least 30 seconds for the port to transition Down Listening Learning Forwarding The I...

Page 115: ...If STP Participation is set to No then all TrCRFs with this TrBRF as a parent will be set to forwarding mode You can then override this by blocking a particular TrCRF If STP Participation is set to IE...

Page 116: ...ximum Message Age in Seconds Enter the maximum message age advertised when this switch is root The minimum value may not be less than the higher of 6 or 2 x Switch Hello Time 1 The maximum may not be...

Page 117: ...n auto is the default and the protocol will be determined by the parent TrBRF If the TrBRF is not participating in the spanning tree protocol then forwarding is the default STP Priority Priority assoc...

Page 118: ...panning tree becomes the root The default is 32 768 To change individual port properties select Port Spanning Tree Parameters Switch Hello Time in Seconds Time the switch waits before sending the next...

Page 119: ...e port The port with the lowest priority value has the highest priority and will forward the spanning tree frames The default is 128 The possible range is 0 through 255 decimal If all ports have the s...

Page 120: ...will be used to determine whether the port is forwarding or blocked If the TrCRF to which the port belongs is not participating in the spanning tree protocol then forwarding is the default More To vie...

Page 121: ...d for fields that support the auto option the current operational field value shown will be prefixed with A Name This field is for assigning a name to the Token Ring port TrBRF This field is for infor...

Page 122: ...which are attached to shared media it is recommended that you change the default media speed configuration from Auto to either 16 or 4 Mbps Max Explorer Rate on Input The maximum Explorer frame forwar...

Page 123: ...hat a connection can be established If the other fiber equipment supports FDX connections such as the CrossFire 8100 Token Ring Switch the switch fiber ports should manually be set to FDX port mode in...

Page 124: ...when Forwarding Mode is set to auto and specifies a sampling period in minutes The sampling period is used when counting errors to determine a ports forwarding mode Possible values are 1 60 minutes Th...

Page 125: ...and one half duplex connections However each pair of interconnected ports must both be either half duplex or full duplex Statistics reporting Statistics for the CrossLink are displayed for individual...

Page 126: ...urce addresses 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 fro...

Page 127: ...5 Token Ring Switches v 1 2 P N 710001641 Switch Configuration CrossLink Menu Use the CrossLink menu to access the CrossLink Configuration and Information screens The CrossLink menu is accessed from t...

Page 128: ...orts The ports within that specific CrossLink Add Entry Prompts you to enter port numbers for each CrossLink Enter at least two ports but no more than eight ports from lowest number to highest separat...

Page 129: ...ging a CrossLink You must define the CrossLink for both connected CrossFire 8600 series switches before physically connecting their linked ports Do not connect the cables before configuring the switch...

Page 130: ...ion Screen Use the Current CrossLink Information screen from the CrossLink menu to display the status of the CrossLink CrossLink The number of the CrossLink referring to the information displayed on t...

Page 131: ...filters Use the Filters Port Security 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...

Page 132: ...s are presented Filters and Port Security Menu Use the Filter Port Security menu to access the filtering menus This menu is accessed from the Configuration menu Configure Filters Displays the Configur...

Page 133: ...you for the necessary parameters The Configure Filters screen is displayed below Index The number index MAC Address MAC address contained in packets to be filtered See a detailed description of MAC a...

Page 134: ...y packet with Limited Multicast Address to ports s Allow Lma If a packet is sent to the specific multicast address it is allowed to go to the specified port s only Force a packet with the Destination...

Page 135: ...l source addresses at that port and then use port filtering as explained in the previous sections of port filtering to selectively allow specific addresses to send to that port Selecting the Configure...

Page 136: ...ity Index Numerical order of entries MAC Address The specific MAC address the filter is applied to See a detailed description of MAC Addresses on page 81 Description List of descriptions of security m...

Page 137: ...n destination service access point DSAP information In protocol filtering each incoming frame is assigned to one of the protocol classes based on the DSAP or Ethertype of the frame If the DSAP is 0xAA...

Page 138: ...will then be prompted for the field to modify Name Ethertype or DSAPs When all classes have been defined as desired select Return to save the values and exit the screen Class For the selected port use...

Page 139: ...llowing values All Block all frames in this protocol class SR Block all source routed frames in this protocol class NSR Block all non source routed frames in this protocol class None Allow all frames...

Page 140: ...8600 8605 Token Ring Switches v 1 2 P N 710001641 Switch Configuration Ethertype Information column showing the Ethertype defined for this class DSAPs Informational column showing the DSAPs currently...

Page 141: ...ddress tables 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 minutes whi...

Page 142: ...tion and pressing ENTER will display the Port Address Table Aging screen Use this screen is to set each port on the switch to the aging time in minutes and to the demand aging level percentage you wan...

Page 143: ...limit The default setting for this parameter is 5 minutes The maximum time for this value is 9999 minutes 0 indicates that address aging is disabled Demand Aging Level Sets a percentage threshold of...

Page 144: ...the master aging time The addresses will be removed 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...

Page 145: ...mpt Set Password Establishes or changes the password Delete Password Deletes the password The system prompts you to enter the present password before it allows you to change or delete the password If...

Page 146: ...selected by highlighting and pressing ENTER Serial Link Configuration An example of this screen and an explanation of its contents follows below Telnet Configuration An example of this screen and an e...

Page 147: ...eak Indicates whether the baud rate is reset when a Break key sequence pressing ENTER rapidly for five seconds is sent or received The default is Disabled When set to enabled a baud rate change can be...

Page 148: ...rtant If your modem is not configured correctly the connection may cause the switch to reset Start the console by pressing ENTER If a Telnet session is active press ENTER at the console to terminate t...

Page 149: ...ons 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 Telnet Session Choose Yes or No to...

Page 150: ...essions if you are accessing the configuration program via Telnet Telnet Sessions Screen The Telnet Sessions screen is shown below Index Numerical order of entries Box The box number ID of the switch...

Page 151: ...us changes take effect immediately as in adding filters and in other menus such as STP the changes are not saved until the menu is exited Stopping the Telnet Session Telnet sessions can be terminated...

Page 152: ...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 changes using the Exit command from the screen you will...

Page 153: ...s resetting Before starting this procedure make sure the network will not be effected The Download Upload menu is accessed from the main menu Downloading is used to load the flash memory within the sw...

Page 154: ...menu 5 Select Serial Link Download 6 Select Main Image Download 7 Confirm the download The download takes approximately 12 minutes at 9600 baud Note there is no validation of the image before the flas...

Page 155: ...iew of this the TFTP function in the switch is designed as an explicitly requested operation with operator settable parameters Note that changes to these parameters may be altered and will be used whe...

Page 156: ...d for a single switch only The screen displays the block it last received from the server block 0 if no reply has been received until the last packet arrives The switch does not attempt to load any of...

Page 157: ...ownload code updates using TFTP to a single switch or to multiple domains If the network broadcast traffic is 200 packets per second or more the TFTP request might not be initiated by the switch You m...

Page 158: ...at you 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...

Page 159: ...ines if you must clear NVRAM If 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...

Page 160: ...144 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Switch Configuration...

Page 161: ...The information presented on the statistics screens in this chapter is typically used for monitoring purposes only This information is usually the result of input data from the configuration menus se...

Page 162: ...pecified differently all the screens or menus are accessed in the following way use the ARROW keys also referred to as cursor keys to highlight the available selections and then press the ENTER key A...

Page 163: ...on each of these menus their screens and submenus follows this list Switch Statistics Displays information about switch utilization page 148 Port Status Displays information about port status page 15...

Page 164: ...h is suitable for capturing into an ASCII file This file will often be requested by the Olicom technical support personnel in case of troubleshooting page 182 Switch Statistics Screen The Switch Stati...

Page 165: ...ed by the CPU due to exceeding the capacity of the software buffers Pending Send Requests Number of software transmitted packets that are waiting for queues to hardware Currently Active Stations Numbe...

Page 166: ...n Ring ports Port The port number TrCRF The name of the TrCRF to which the port is assigned TrBRF The name of the TrBRF to which the port is assigned Enabled Displays the current enabled status of the...

Page 167: ...ode in which the port operates like a station The connection may be dedicated or shared The Tx Rx pinouts are the same as an adapter s RI Ring In On CrossFire 8600 only displayed for ports 19 and 20 O...

Page 168: ...particular port To enter the menu you must first enter a port number General Statistics Displays general statistics for the selected port page 153 802 5 Statistics Displays 802 5 statistics for the se...

Page 169: ...uding those delivered to the host CPU system software for processing or to a monitoring port NSR Frames Forwarded Number of Non Source Routed frames forwarded by the port SRF Frames Forwarded Number o...

Page 170: ...ed on this port without errors Multicast Frames Received Number of multicast frames received on this port without errors Frames Filtered Addr Number of frames filtered by the MAC address filters Frame...

Page 171: ...a duplicate ring number in the RIF field has been seen by the port Invalid RIF RC Field Indicates the number of times a frame which contains an illegal Routing Control field has been seen by the port...

Page 172: ...s 802 5 Statistics Screen This screen provides IEEE 802 5 statistics Line Errors This counter is incremented when a frame or token is copied or repeated by a station the E bit is zero in the frame or...

Page 173: ...rnal error Lost Frame Errors This counter is incremented when a station is transmitting and its TRR timer expires This condition denotes a condition where a transmitting station in strip mode does not...

Page 174: ...nifies the number of times the ring has been purged and is being recovered back into a normal operating state Lobe Wires The number of times the port has detected an open or short circuit in the lobe...

Page 175: ...rror Before an open is completed the field has the value 0x20000 No Status If no problems are detected this field will display 0x00000 OK Error conditions are indicated by 0x and a text string identif...

Page 176: ...r station in the ring Active Monitor Participate If this field has a value of Enabled then this port will participate in the active monitor selection process If the value is Disabled then it will not...

Page 177: ...C frame Valid range is from 0x0000 to 0xFFFF Each bit that is enabled 1 corresponds to a function class that is enabled Error Report Timer Timeout value of the ring station s soft error report timer T...

Page 178: ...ubvector X 02 used in the last Beacon MAC frame transmitted or received It will indicate the individual MAC address of the sending ring station s nearest active upstream neighbor NAUN The value could...

Page 179: ...the value of the Access Protocol Response subvector X 0F received from the Registration Response MAC frame Possible values are Access Denied and FDX Wire Fault Station Individual Address Count This fi...

Page 180: ...the Phantom Drive and Wire Fault detection methods supported by the C Port Possible values are RI RO and Not RI RO Common Access Protocol Mask This field displays which access protocols can be suppor...

Page 181: ...enu More information on each of these menus their screens and submenus follows this list Master Address Table Displays a table of station addresses from all ports known to the switch page 166 Master R...

Page 182: ...ntain up to 10 000 entries memory See a detailed description of MAC Adresses onpage 81 Address MAC address of a node Type The Type column of the Master Address Table screen can contain the following t...

Page 183: ...s The switch has however not yet learned the location of the address because the station has not sent any response frames Multicast The address is a group address or a functional address and has occur...

Page 184: ...whose address tables you want to search then displays the ports whose address tables contain the MAC address Master Route Descriptor Table Screen The Master Route Descriptor Table lists the learned ro...

Page 185: ...at port nn Port type STK The route descriptor is known at a port of another switch in the stack If the route descriptor has occurred as next hop in the RIF of incoming frames at other ports it will b...

Page 186: ...entries in the address table for each CRF select VLAN Address Table on the Address Tables screen and select the desired TrCRF The VLAN Address Table screen is displayed below The entries are listed in...

Page 187: ...Screen To view the entries in the route descriptor table for each VLAN select VLAN Route Descriptor Tables on the Address Table menu and specify the desired TrCRF The VLAN Route Descriptor Table scre...

Page 188: ...menus this menu will only display the headers with no information below them When the switch is configured with CrossLink channels STP packets use the primary port of the CrossLink Bridge ID Priority...

Page 189: ...nning tree The port ID is expressed in the form port priority port number PCst Cost associated with each port Lower numbers are generally assigned to ports attached to faster media such as FDX or Cros...

Page 190: ...icate with the root of the spanning 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 t...

Page 191: ...formation 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 Port Number of the port on this switch that is closest...

Page 192: ...termine the role of the port in the spanning tree The port ID is expressed in the form port priority port number PCst Cost associated with each port Lower numbers are generally assigned to ports attac...

Page 193: ...BrId Priority and MAC address of the device through which this port has determined it must communicate with the root of the spanning tree Dsg PId Port on the designated bridge through which this switc...

Page 194: ...CRF or TrBRF VLAN Statistics screen will be displayed VLAN Statistics Screen for TrCRF The TrCRF VLAN Statistics screen is shown below Parent VLAN The parent TrBRF Currently Active Stations Number of...

Page 195: ...ons Number of MAC addresses currently in the master address table that are recognized as ports belonging to this domain Largest Number of Stations Largest number of MAC addresses in the master address...

Page 196: ...ics menu and pressing ENTER At the prompt enter the box number you want to view The data that is shown on this screen is for monitoring information only and is meant for network personnel experienced...

Page 197: ...s menu The Message Log Information screen is displayed The data on this screen is useful to technical experts in solving complex problems Log Index number identifying the log file Type Message type Po...

Page 198: ...u The information is suitable for capturing into an ASCII file by means of a capture function in the terminal emulation program used This file will often be requested by the Olicom technical support p...

Page 199: ...cting a Network Management Console 2 Make the necessary configurations in the IP Configuration screen 3 Make the necessary configurations in the SNMP Configuration menu and the following subscreens Co...

Page 200: ...reen The SNMP Configuration screen is shown below Send Authentication Traps Indicates whether SNMP should issue an authentication trap to trap receivers whenever an unauthorized request is detected De...

Page 201: ...ts and power cycles Community Strings Screen Use the Community Strings screen to configure the community string for the switch The community string is the name associated with the switch and a set of...

Page 202: ...are case sensitive Mode The privilege level assigned to this name Read specifies that SNMP managers can only view SNMP information Read Write specifies that SNMP managers can both view and change SNM...

Page 203: ...ontains a maximum of 20 entries It is redisplayed each time the table changes Trap receiver table entries are saved when you select Return Entries are preserved across resets and power cycles Index Se...

Page 204: ...entity is reinitializing itself such that neither the agent configuration nor the protocol entity implementation is altered The linkDown Trap A linkDown trap signifies that the sending protocol entit...

Page 205: ...ack switches over from primary to secondary Matrix or from secondary back to primary Matrix oc8600TsStackTempChange This trap is generated when the temperature in a switch exceeds normal or returns to...

Page 206: ...is trap is a TrCRF specific version of the topologyChange trap as described in RFC1493 A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to...

Page 207: ...1 2 P N 710001641 Monitoring the Network with SNMP Traps for CrossLinks oc8600TsCrossLinkFailed This trap is sent when one of the links in an CrossLink fail The variable oc8600TsCLPorts contains the...

Page 208: ...192 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Monitoring the Network with SNMP...

Page 209: ...y monitoring you can select the monitored port and monitor port all data traffic received and transmitted on the monitored port is copied to the monitor port such that it can be received by an externa...

Page 210: ...n TrCRF For information about assigning ports to a TrCRF see VLAN Configuration on page 87 Port To Monitor The port that will be monitored Note It is only possible to monitor ports within a physical s...

Page 211: ...u on page 152 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 acti...

Page 212: ...he 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 persists th...

Page 213: ...itch 4 One or more bad ports can cause this symptom and the remaining ports might continue to operate Reset the switch and monitor the diagnostic messages that appear for port failures The section Dia...

Page 214: ...vice 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 the Cf...

Page 215: ...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 the...

Page 216: ...200 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Troubleshooting...

Page 217: ...the diagnostics note that any traffic through the switch will be disrupted Dump the switch configuration to a file using Display Summary and print the file Print any messages in the Message Log Infor...

Page 218: ...updates application notes quick fixes various utilities etc The Bulletin Board Service BBS can be contacted using either a standard modem or an ISDN modem Standard Modem Requirements Modem speed 2400...

Page 219: ...nformation about Olicom products newsletters and press releases It also contains addresses of all Olicom offices and support centers worldwide Our software library contains the latest driver and softw...

Page 220: ...ort Form from Olicom s web site on the Internet Company ____________________________ Name ______________________ Address __________________________________________________________ Country ____________...

Page 221: ...205 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Getting in Touch with Technical Support Problem Description Network Installation Sketch...

Page 222: ...206 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Getting in Touch with Technical Support...

Page 223: ...nit BRF Bridge Relay Function CAU Controlled Access Unit CRF Concentrator Relay Function DSAP Destination Service Access Point DIS Disabled DTE Data Terminal Equipment DTR Dedicated Token Ring EPROM E...

Page 224: ...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 NNM Network Node Manager NSR Non So...

Page 225: ...e Protocol TCP IP Transmission Control Protocol Internet Protocol TIA Telecommunications Industry Association TFTP Trivial File Transfer Protocol TKP Token Passing TrBRF Token Ring Bridge Relay Functi...

Page 226: ...210 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Abbreviations...

Page 227: ...ists the type of cables that are used when connecting to the OBM port labelled MANAGEMENT on the front panel of the switch Cable Function Cable Type or Cable Solution Connect a modem to the MANAGEMENT...

Page 228: ...NT 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 provi...

Page 229: ...DTR pin 20 and RTS pin 4 must be on or high on your terminal or in your terminal emulation program Figure 23 TIA EIA 232 Null Modem Cable for the 25 pin Connector Use a null modem crossover cable sho...

Page 230: ...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 continuity f...

Page 231: ...or 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 usefu...

Page 232: ...rd 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 standa...

Page 233: ...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...

Page 234: ...20 Ohm 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 30 Lobe Lengths for 100 or 120 Ohm Shielded...

Page 235: ...bed above for dedicated media segments Note For CrossFire 8600 the acceptable cable lengths are defined by the hub or concentrator attached to the switch port but in general the distances are half of...

Page 236: ...220 CrossFire 8600 8605 Token Ring Switches v 1 2 P N 710001641 Cable and Pin Information...

Page 237: ...P 207 ATM 207 Authorized Function Classes parameter 161 auto switching mode general description 23 Autobaud Upon Break parameter 131 B back panel 64 connectors 68 BBS 202 beacon frame number of times...

Page 238: ...eral principles 23 connecting a network management console 69 devices to token ring ports 61 devices using building wiring 62 connectivity options benefits 41 connectors on back panel 68 on front pane...

Page 239: ...ronmental requirements 46 EPROM 207 Error Frames Received parameter 149 Error High Threshold parameter 108 Error Low Threshold parameter 108 Error Report Timer parameter 161 Error Sampling Interval pa...

Page 240: ...fications 14 I IEEE 207 IEEE 802 1D 98 IEEE STP Uses Bridge Functional Address parameter 100 in band network management 69 inspecting the package contents 48 installation 11 55 applying power after 64...

Page 241: ...nput parameter 106 Max Message Age parameter 173 176 Max STE Bridge Hop Count parameter 91 maximum frame rate per port 13 number of VLANs 12 physical frame length 49 transfer unit MTU of the BRF 92 Ma...

Page 242: ...cable pin outs 212 out of band network management 69 overview of switching technology 2 of the switches 1 of this manual xiii P packet cost 174 177 parameters Active Monitor Participate 160 Address C...

Page 243: ...ames Forwarded 153 Number of Boxes 84 Number of Resets Since Diagnostics 142 149 Number of Telnet Sessions Allowed 133 Operation Mode 107 Parent VLAN 91 178 Pending Send Requests 149 Physical Drop Num...

Page 244: ...46 Power On Diagnostics parameter 143 preparing for installation 43 priority of port on the Port Spanning Tree Parameters Screen 103 priority queues for transmission 25 Priority Threshold parameter 10...

Page 245: ...Reset 142 Serial Link Configuration 131 Serial Link Download 138 SNMP Configuration 184 Spanning Tree for TrBRF 99 Spanning Tree for TrCRF 101 Stack Configuration 84 Station CPort Information 163 Swit...

Page 246: ...30 starting the Telnet session 135 Station Access Protocol Response parameter 163 Station Individual Address Count parameter 163 Station Phantom Drive Support parameter 163 Station Requested Access Pr...

Page 247: ...3 TIA 209 TIA EIA 232 null modem connections of MANAGEMENT port 213 Time of Day parameter 84 TKP 209 token errors on 802 5 Statistics screen 157 Token Probe port for port analysis 6 token ring port sp...

Page 248: ...creen 89 VLAN ID parameter 90 92 VLAN Name parameter 91 92 VLAN Parameter Configuration for TrBRF screen 92 VLAN Parameter Configuration for TrCRF screen 90 VLAN Route Descriptor Table screen 171 VLAN...

Page 249: ......

Page 250: ...347 1451 48 58 346 1288 Olicom France Tel Fax Immeuble Plein Ouest 177 Avenue G Clemenceau 92024 Nanterre cedex 33 0 1 41 91 17 17 33 0 1 41 91 17 00 Olicom Inc Tel Fax 450 Donald Lynch Boulevard Marl...

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