Gebruiksaanwijzing /service van het product 3T02-04 van de fabrikant Cabletron Systems
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T OK EN 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.
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T oken Ring Switch Module User Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made.
Notice ii T oken Ring Switch Module User Guide FCC NOTICE This device complies with P art 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this de vice must accept any interference receiv ed, including interference that may cause undesired operation.
Notice T oken Ring Switch Module User Guide iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user , and Cabletron Systems, Inc.
Notice iv T oken Ring Switch Module User Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was de veloped solely at priv ate expense; (b) contains “restricted computer softwa.
T oken Ring Switch Module User Guide v CONTENTS CHAPTER 1 INTRODUCTION 1.1 Document Conventions ............................................................... 1-2 1.2 Related Manuals....................................................................
Contents vi T oken Ring Switch Module User Guide CHAPTER 5 DIAGNOSTICS AND T ROUB LESHOOTING 5.1 Power-up Diagnostics .................................................................. 5-1 5.1.1 Power-up Tests .........................................
T oken Ring Switch Module User Guide P age 1-1 CHAPTER 1 INTR ODUCTION This manual is for system administrators responsible for configuring, monitoring and maintaining the A TX. It should be used with the A TX User Guide and the A TX MIB User Guide .
Chapter 1: Introduction P age 1-2 T oken Ring Switch Module User Guide 1.1 DOCUMENT CON VENTIONS The follo wing con ventions are used in presenting information in this manual: Commands, prompts, and i.
Related Manuals T oken Ring Switch Module User Guide P age 1-3 1.2 RELATED MANUALS Y ou may need to refer to the following documentation when you are using a T oken Ring module: • A TX User Guide – contains installation and configuration instructions for the A TX.
Chapter 1: Introduction P age 1-4 T oken Ring Switch Module User Guide 1.4 GENERAL DESCRIPTION Cabletron Systems 3T01-04 and 3T01-02 modules connect the A TX to a 4 or 16 Mbps T oken Ring network.
Standards T oken Ring Switch Module User Guide P age 1-5 Figure 1-1 A TX Front P anel 1.5 STANDARDS The physical and electrical characteristics of the T oken Ring module conform to the IEEE 802.5 standard. The protocol for the MA C layer is specified by the IEEE 802.
Chapter 1: Introduction P age 1-6 T oken Ring Switch Module User Guide 1.7 LEDs Each T oken Ring module pro vides 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.
T oken Ring Switch Module User Guide P age 2-1 CHAPTER 2 CONNECTING TO THE NETW ORK 2.1 INTRODUCTION Installation of a T oken Ring network typically requires more planning and explicit configuration than does a transparently-bridged Ethernet netw ork.
Chapter 2: Connecting to the Network P age 2-2 T oken Ring Switch Module User Guide 2.3 T YPICAL CONFIGURATIONS Physical connecti vity to a T oken Ring network is pro vided by either shielded twisted pair (STP) or unshielded twisted pair (UTP) cabling that connects the T oken Ring module to a Hub .
Connecting the T oken Ring Module to a Hub T oken Ring Switch Module User Guide P age 2-3 Refer to the Hub manufacturer’ s manual for specific cabling information for connecting workstations to the Hub .
Chapter 2: Connecting to the Network P age 2-4 T oken Ring Switch Module User Guide T o connect to an STP MA U, attach the DB9 end of a T oken Ring adapter cable to the T oken Ring module’ s DB9 connector . Attach the Media Interface Connector (MIC), on the other end of the cable, to an y port except the Ring-In or Ring-Out ports on a STP MA U.
T oken Ring Switch Module User Guide P age 3-1 CHAPTER 3 CONFIGURING 3.1 INTRODUCTION Y ou can configure the T oken Ring module using the Local Console Manager (LCM), which allo ws you to monitor , manage, and configure your A TX through an out-of-band RS-232 connection.
Chapter 3: Configuring P age 3-2 T oken Ring Switch Module User Guide maintained in non-volatile memory and are sa ved across po wer c ycles. Filtering information is cov ered in the A TX User Guide .
Setting the Ring Speed T oken Ring Switch Module User Guide P age 3-3 3.4 SETTING THE RING SPEED Before the T oken Ring module can be connected to a network, the ring speed must be set. T oken Ring signaling takes place at either 4 or 16 Mbps. The def ault setting is for 4 Mbps.
Chapter 3: Configuring P age 3-4 T oken Ring Switch Module User Guide 3.5.2 Source Routing and SR T Source routing and SR T bridging can be configured from LCM, or from a generic MIB bro wser .
T ranslation Options T oken Ring Switch Module User Guide P age 3-5 3.5.2.3 Bridge Number The A TX, unlike some multiport source routing bridges, does not impute an internal pseudo-ring, and so its bridge number must be unique on each of the segments to which it is attached.
Chapter 3: Configuring P age 3-6 T oken Ring Switch Module User Guide ATX> translate T o display the translations that have been acti v ated for indicated ports, enter translate follo wed by a T oken Ring port range.
T ranslation Options T oken Ring Switch Module User Guide P age 3-7 • Oneto6swap – incoming type 6 ARP packets will be con verted to type 1 and outgoing type 1 to type 6, with embedded addresses bit swapped.
Chapter 3: Configuring P age 3-8 T oken Ring Switch Module User Guide T o enable the default option for port 5, enter: ATX> translate 5 ipx on T o change the default to ethernet2, and change the IPX option to ethernet2 for ports 5 and 6.
T ranslation Options T oken Ring Switch Module User Guide P age 3-9 Ethernet AppleT alk (ELAP) differs from T oken Ring AppleT alk (TLAP) in AARP packets and in the use of zone multicast addresses. If so configured, the A TX will translate AARP pack ets and will e xchange zone multicast addresses as needed.
Chapter 3: Configuring P age 3-10 T oken Ring Switch Module User Guide.
T oken Ring Switch Module User Guide P age 4-1 CHAPTER 4 STATISTICS 4.1 DISPLAYING P ORT STATUS Using LCM, you can obtain the status of a specific T oken Ring port by typing status <port number> . (T ype status to display all the A TX port numbers.
Chapter 4: Statistics P age 4-2 T oken Ring Switch Module User Guide • Spanning T ree - the port's Spanning T ree state. This entry sho ws status only; it is not selectable. The follo wing states apply to Spanning T ree: - Blocking - The port is not currently the designated port to the LAN and is therefore not forwarding an y packets.
Displaying P or t Status T oken Ring Switch Module User Guide P age 4-3 • RX_Q Overflo ws - number of incoming packets dropped by the port due to a lack of buf fers.
Chapter 4: Statistics P age 4-4 T oken Ring Switch Module User Guide - Remove Recei ved - The T oken Ring port has remov ed itself from the ring. 4.2 MODULE STATISTICS Interface-related statistics are maintained for NMS e xamination in sev eral portions of the management information base (MIB).
Module Statistics T oken Ring Switch Module User Guide P age 4-5 • sifRxSizeErrors - The number of receiv ed packets discarded due to size errors. • sifRxHwFCSs - The number of recei v ed packets discarded due to FCS errors. • sifTxPackets - The number of transmitted pack ets di vided into f i ve categories.
Chapter 4: Statistics P age 4-6 T oken Ring Switch Module User Guide.
T oken Ring Switch Module User Guide P age 5-1 CHAPTER 5 DIAGNOSTICS AND T ROUB LESHOOTING 5.1 P OWER -UP DIAGNOSTICS 5.1.1 P o wer-up T ests The po wer-up diagnostics assure that the A TX and all the installed modules are operational. During diagnostic mode, the status LEDs are used dif ferently than during normal operation.
Chapter 5: Diagnostics and T roubleshooting P age 5-2 T oken Ring Switch Module User Guide 5.1.2 P o wer-up Results After completion of the po wer-up diagnostic sequence, all status LEDs on the A TX front panel should be on (lit), indicating that the modules hav e passed the po wer-up tests.
T roub leshooting T oken Ring Switch Module User Guide P age 5-3 For both types of tests, normal operation is indicated when generated packets are recei ved back (after looping) without errors. F or remote loopback tests, the A TX creates LLC T ype 1 test packets for LANs and PPP echo-request packets for W ANs and U AR Ts.
Chapter 5: Diagnostics and T roubleshooting P age 5-4 T oken Ring Switch Module User Guide 3. If the sequence is still abnormal: a. Remov e the interface module by unscre wing the two retaining scre ws on the module’ s front panel. Pull the module out using the “ears” on the front panel.
T oken Ring Switch Module User Guide P age 6-1 CHAPTER 6 ADDING/SWAPPING MODULES Once you hav e recei v ed your A TX, you may want to add a new module to expand your netw ork bandwidth, replace a module with a module of a dif ferent type, or swap a module with another module of the same type.
Chapter 6: Adding/Swapping Modules P age 6-2 T oken Ring Switch Module User Guide If the module you are adding has a dif ferent number of ports than the module you are removing, before you can po wer cycle the A TX you must: • Delete all static addresses • Delete all ARP addresses and IP routing table entries • Delete all filters 1.
Swapping a Module T oken Ring Switch Module User Guide P age 6-3 6.3 SWAPPING A MODULE When swapping identical modules, it is recommended that you remo ve po wer from the A TX. Ho wev er , the module you are replacing must be taken of fline first, as described belo w .
Chapter 6: Adding/Swapping Modules P age 6-4 T oken Ring Switch Module User Guide.
T oken Ring Switch Module User Guide P age A-1 APPENDIX A T ECHNICAL SPECIFICATIONS Standards Compliance • IEEE 802.5, 802.2, 802.5m, 802.1(d) • Compatible with IBM T oken-Ring en vironments • IBM Source Routing Protocol T ranslations • TCP/IP • IPX • AppleT alk Dimensions Length: 30.
Appendix A: T echnical Specifications P age A-2 T oken Ring Switch Module User Guide Connectors • DB9 for STP • RJ45 for UTP LEDs • Po wer • Module status • Ring speed • Ring status • R.
T oken Ring Switch Module User Guide P age B-1 APPENDIX B BRIDGING METHODS B.1 OVERVIEW Each port of the A TX can be configured for transparent (802.1d) bridging, IBM source routing bridging, or source routing transparent bridging (802.5M). Depending on network topology , it may be desirable to include a mix of these methods within a single A TX.
Appendix B: Bridging Methods P age B-2 T oken Ring Switch Module User Guide B.2 T RANSPARENT BRIDGING T ransparent or spanning tree bridging requires no initial programming. After being installed on the network, the y “learn” and remember the location of the attached de vices by reading the source addresses of incoming packets.
Source Routing Bridging T oken Ring Switch Module User Guide P age B-3 B.3 SOURCE ROUTING BRIDGING Source routing bridging (SR) is an alternati ve to transparent or spanning tree bridging, and is widely used in T oken Ring networks.
Appendix B: Bridging Methods P age B-4 T oken Ring Switch Module User Guide Source routing workstations need not be configured with route information; instead they disco ver the best route to a destination through the use of explorer frames. In the Figure B-1 e xample, station C might first transmit an empty explorer frame.
Source Routing T ransparent Bridging T oken Ring Switch Module User Guide P age B-5 B.4 SOURCE ROUTING T RANSPARENT BRIDGING Source Routing T ransparent (SR T) bridging is a method that mer ges IBM-style source routing with transparent spanning tree bridging.
Appendix B: Bridging Methods P age B-6 T oken Ring Switch Module User Guide.
T oken Ring Switch Module User Guide Index-1 INDEX A Adding modules 6-1 ATX front panel 1-5 B Bridging configuring 3-4 domains A-2 method B-1 source routing B-3 SRT 3-4, B-5 transparent B-2 C Certific.
Index Index-2 T oken Ring Switch Module User Guide.
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