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TOKEN RING SWITCH MODULE

(3T02-04 AND 3T01-04)

USER GUIDE

9031875-01

OFFLINE

RING 1
RX ST

RING 2
RX ST

RING 3
RX ST

RING 4

RX ST PROC

TX 16

TX 16

TX 16

TX 16 PWR

QUAD IEEE 802.5 TOKEN RING (STP)

OFFLINE

RING 1
RX ST

RING 2
RX ST

RING 3
RX ST

RING 4

RX ST PROC

TX 16

TX 16

TX 16

TX 16 PWR

QUAD IEEE 802.5 TOKEN RING (UTP)

1
2
3
...
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Summary of Contents for 3T01-04

Page 1: ...031875 01 OFFLINE RING 1 RX ST RING 2 RX ST RING 3 RX ST RING 4 RX ST PROC TX 16 TX 16 TX 16 TX 16 PWR QUAD IEEE 802 5 TOKEN RING STP OFFLINE RING 1 RX ST RING 2 RX ST RING 3 RX ST RING 4 RX ST PROC T...

Page 2: ......

Page 3: ...S BE LIABLE FOR ANY INCIDENTAL INDIRECT 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 I...

Page 4: ...se WARNING Changes or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE Thi...

Page 5: ...se Agreement shall be interpreted and governed under the laws and in the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION...

Page 6: ...rs and c in all respects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed with Restricted Rights as defined in the DoD Supplement...

Page 7: ...4 1 Unshielded Twisted Pair 2 2 2 4 2 Shielded Twisted Pair 2 3 CHAPTER 3 CONFIGURING 3 1 Introduction 3 1 3 2 Connecting the LCM 3 2 3 3 LCM Commands 3 3 3 4 Setting the Ring Speed 3 3 3 5 Configuri...

Page 8: ...ults 5 3 5 3 Troubleshooting 5 3 5 3 1 If the Module Fails to Power Up 5 3 5 3 2 Connectivity Problems 5 4 CHAPTER 6 ADDING SWAPPING MODULES 6 1 Unpacking the Token Ring Switch Module 6 1 6 2 Adding a...

Page 9: ...to physically attach the modules to a Token Ring network Chapter 3 Configuring discusses the software configuration options for the modules Chapter 4 Statistics provides information on Token Ring port...

Page 10: ...er with a command is enclosed in angle brackets For example you must enter a ring speed for the selected port ATX ringspeed 9 16 In this example the ring speed for port 9 is set to 16 megabits second...

Page 11: ...an Addison Wesley 1992 Internetworking with TCP IP Protocols and Architecture 2nd edition Volumes I and II Douglas Comer Prentice Hall 1991 The Simple Book An Introduction to Management of TCP IP base...

Page 12: ...se II The Token Ring module ports can be connected to one Token Ring network The module contains connectors for shielded twisted pair STP and unshielded twisted pair UTP cabling Each module has eighte...

Page 13: ...ING 1 RX ST RING 2 RX ST RING 3 RX ST RING 4 RX ST PROC TX 16 TX 16 TX 16 TX 16 PWR QUAD IEEE 802 5 TOKEN RING UTP OFFLINE TX PWR INTELLIGENT FDDI RING A RING B T H R U W R A P R X P R O C FDDI MIC A...

Page 14: ...Each Token Ring module provides 18 green LEDs for troubleshooting and status monitoring For each of the four Ring ports there are four LEDs labeled RX TX ST and 16 Additionally there are two module L...

Page 15: ...nce It takes about 1 minute for the ATX to complete the power up diagnostics The ATX begins system diagnostics on the PPE topmost module and then individually on each installed module progressing from...

Page 16: ...ns fairly simple electronics principally relays which form a self healing electrical ring An active Hub contains more sophisticated ring maintenance circuitry and may be manageable 2 4 1 Unshielded Tw...

Page 17: ...Ring In Ring Out ports are used for interconnecting Hubs Refer to the example shown in Figure 2 1 Figure 2 1 Connecting a Token Ring Module to a UTP Hub 2 4 2 Shielded Twisted Pair When using Shielde...

Page 18: ...edia Interface Connector MIC on the other end of the cable to any port except the Ring In or Ring Out ports on a STP MAU The Ring In Ring Out ports are used for interconnecting MAUs Refer to the examp...

Page 19: ...Mbps Port s IP address for originating and receiving IP packets Enabling disabling a port s Transparent Spanning Tree Source Routing or Source Routing Transparent mode Protocol translations Additional...

Page 20: ...e Return key twice When the ATX prompt appears LCM is ready to use 3 3 LCM COMMANDS Refer to the ATX User Guide for the generic LCM commands Familiarize yourself with LCM before configuring the module...

Page 21: ...its second If set to 4 Mbps LCM displays 4000000 bits second The Token Ring modules include an LED for each Token Ring port that indicates for which speed the port is configured If the port is configu...

Page 22: ...rs and bridge numbers 3 5 2 1 Bridging Method To configure bridging from LCM enter bridge followed by the port number and the keyword sr for source routing or srt for source routing transparent For ex...

Page 23: ...bridge between Ethernet and Token Ring as well as FDDI despite protocol differences between the dissimilar media The ATX provides a number of options for overcoming translating problems The options a...

Page 24: ...t range none 3 6 1 ARP Translation The ARP translation options are intended to compensate for any likely implementation of IP s ARP on 802 5 Token Rings The possibilities for option are the following...

Page 25: ...hernet IP hosts to communicate transparently PassBoth both the original source routed packet and its transparent equivalent are propagated this option provides maximum connectivity at some expense in...

Page 26: ...option to ethernet8022 for ports 5 6 and 7 ATX translate 7 ipx ethernet8022 3 6 4 AppleTalk Translation NOTE All Token Ring ports that have IPX translation enabled should always use the same option NO...

Page 27: ...slated to Ethernet like format The possibilities for option are Off perform no translation On translate the packets To enable AppleTalk translation from LCM enter translate followed by a Token Ring po...

Page 28: ...Chapter 3 Configuring Page 3 10 Token Ring Switch Module User Guide...

Page 29: ...Open Ring Status No Problems The status of a Token Ring port includes the following information Type whether the ring is operating at 4 or 16 Mbps and the module type i e 802 5 Token Ring Bridging whi...

Page 30: ...oes to the forwarding state it can then use the address information it has learned Forwarding The port is the designated port for the LAN and is forwarding packets and sending out bridge protocol pack...

Page 31: ...ive MAU DB9 connectors plugged into the video port mismatched ring speed some stations at 4 some at 16 or poor wiring or connections Single Station The module s Token Ring port is the only station it...

Page 32: ...and the five forwarding outcomes see Table 4 1 sifRxChar0s The number of characters in the forwarded received packets sifRxChar1s The number of characters in the filtered received packets NOTE All of...

Page 33: ...packets in each category is encoded as a series of 4 bytes which should be converted into a 32 bit counter The five categories of destination addresses are described in Table 4 1 sifTxCongests The num...

Page 34: ...Chapter 4 Statistics Page 4 6 Token Ring Switch Module User Guide...

Page 35: ...g diagnostic mode the status LEDs are used differently than during normal operation When the ATX is powered up it automatically senses the installed boards and reassigns port numbers starting with the...

Page 36: ...port loops the packets back without sending them onto its network During a remote loopback test the port is in normal operation sending and receiving packets to its network The ATX generates loopback...

Page 37: ...which are explained later in this chapter or by reading NMS trap messages Both power up and loopback diagnostics produce traps which are sent to the NMS and may be logged for future reference In some...

Page 38: ...Connectivity Problems If the Token Ring module powers up normally but the workstations are unable to communicate 1 Check the LEDs for abnormalities which may help indicate the source of the problem L...

Page 39: ...ons Before adding or swapping modules refer to the latest version of the ATX Release Notes provided with your ATX software for information about software and hardware version numbers and compatibility...

Page 40: ...he interface module you are going to replace 4 Remove the installed interface module by pulling gently but firmly on the ears at the ends of the module s front panel 5 Gently slide the new module into...

Page 41: ...g gently but firmly on the ears at the ends of the module s front panel 6 Gently slide the new module into the plastic guides in the module slot until it is completely inserted Push the module firmly...

Page 42: ...Chapter 6 Adding Swapping Modules Page 6 4 Token Ring Switch Module User Guide...

Page 43: ...ble with IBM Token Ring environments IBM Source Routing Protocol Translations TCP IP IPX AppleTalk Dimensions Length 30 99 cm 12 2 in Width 24 13 cm 9 5 in Weight 1 02 Kg 2 25 lb Environmental Require...

Page 44: ...for UTP LEDs Power Module status Ring speed Ring status Receive activity Transmit activity Bridging Domains Transparent Source Routing Source Routing Transparent Certifications Safety UL 1950 CSA C22...

Page 45: ...anning tree explorer frames and for multicast packets If source routing is desired and either Ethernet or FDDI is to be used as a backbone between Token Rings then the Ethernet or FDDI port should be...

Page 46: ...the bridge simply re transmits the packet out of the appropriate port If the address is not found in the table the bridge re transmits the packet out of all the ports except the source port Transpare...

Page 47: ...LAN segment It may also specify intermediate LAN segments and bridges Figure B 1 Source Routing Example In the example in Figure B 1 a data packet traveling from station C on LAN 43 through bridge B t...

Page 48: ...eeded to converse with no further explorer frames needed Part of the original intent of source routing bridging was to enable LANs to be richly connected by low performance low cost bridges As shown i...

Page 49: ...bridge uses it otherwise the bridge applies transparent learning rules It represents an attempt by the IEEE standards committee to standardize source routing and correct some shortcomings in source ro...

Page 50: ...Appendix B Bridging Methods Page B 6 Token Ring Switch Module User Guide...

Page 51: ...wer up 5 1 results 5 3 Dimensions A 1 Document conventions 1 2 E Environmental requirements A 1 F Filtering 3 2 H Help 1 3 L LEDs diagnostic 5 2 M Module statistics 4 4 P Port status 4 1 Ports statist...

Page 52: ...Index Index 2 Token Ring Switch Module User Guide...

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