Cabletron Systems 3T02-04 manuale d’uso

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 802.5 TOKEN RING (UTP)[...]

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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. The hardware, firmware, or software described in[...]

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. NOTE: This eq[...]

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. (“Cabletron”) that sets forth your rights and obligations with respect to the Cab[...]

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 software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the Commercial Computer Software - Restricted Rights Cla[...]

T oken Ring Switch Module User Guide v CONTENTS CHAPTER 1 INTRODUCTION 1.1 Document Conventions ............................................................... 1-2 1.2 Related Manuals.......................................................................... 1-3 1.3 Getting Help........................................................................[...]

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 ............................................................... 5-1 5.1.2 Power-up Results .................................................[...]

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 . The contents of each chapter are described belo w . • Chapter 1, Introduction , provides general[...]

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 information displayed by the computer appear in Courier typeface: Current Number of Station Addresses: 5 Current Number of Learned Addresses: 133 Numbe[...]

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. • A TX MIB Refer ence Guide – contains Cabletron’ s enterprise MIB. If you[...]

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. The modules enable connecti vity to FDDI, Ethernet, and T oken Ring Networks, and can be configured to support T ransparent Spanning T ree, Source Route[...]

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 802.5 standard while that for the Logical Link Layer is specified by the IEEE 802.2. [...]

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. Additionally there are tw o module LEDs labeled PR OC and PWR. The LEDs are described in Chapter 5[...]

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. This chapter provides reference material and instructions that netw ork administrators can use to[...]

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 . Each T oken Ring switch module provides only one k[...]

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 . T o connect the T oken Ring module to a UTP Hub, attach one end of a UTP cable to the T oken Ring module’ s RJ45 connector and connect the ot[...]

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[...]

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. Y ou can also use any SNMP compliant netw ork management system. For more de[...]

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 . After the ring speed is set, you may connect the module to a network and then complete the software configuration, or you could complete all the so[...]

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. All stations on the same ring must operate at the same speed. Using LC[...]

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 . It is necessary to configure: • Bridging method for each port • Segment (ring) number for each port • Bridge number for the A TX as a whole A port [...]

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. The omission of the pseudo-ring has the adv antage of increasing the allow[...]

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. For e xample: ATX> translate 2-4 T o display the options that are av ailable for the specified translation type, enter: ATX&g[...]

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. 3.6.2 Source Routing ARP T ranslation The Source Routing ARP translation options specify when bridging IP ARP packets that are source rout[...]

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. ATX> translate 6 ipx ethernet2 T o change the default to ethernet8022, and change the IPX option to ether[...]

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. The AppleT alk translation options speci[...]

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.) A sample display of a T oken Ring port status is shown belo w . ATX > status 7 Port 7 (1st[...]

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. (This [...]

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. This entry shows status only; it is not selectable. After a reboot, the A TX tries to automatically re-allocate the Small Buf fers among the ports so that the total number of RX_Q O[...]

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). These include the “if” portion of MIB II, the brid[...]

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. The number of packets in each cate[...]

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. When the A TX is power[...]

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. Refer to T able 5-1 for descriptions of the LEDs during n[...]

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. Both types of loopback te[...]

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. b. Carefully but firmly press down on all socketed comp[...]

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. If you are: • Adding a module to a pre viously vacant [...]

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. Make sur[...]

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 . 1. Take the module to be replaced offline, either by pressing the OFFLINE butt[...]

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: 30.99 cm (12.2 in) W idth: 24.13 cm (9.5 in) W eight: 1.[...]

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 • Recei ve acti vity • T ransmit acti vity Bridging Domains • T ransparent • Source Routing • Source Routing T ransparent Certifications Safety [...]

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. Then they place [...]

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. The A TX supports source routing bridging on T oken Ring LANs, and an enhancement to source routing called SR T on al[...]

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. Bridge B w ould add 43[...]

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. If a route is present in a packet, then the bridge uses it; otherwise the bridge applies t[...]

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 Certifications A-2 Configurations 2-2 Configuring 3-2 Connectors A-2 D Diagnostics LED 5-2 loopback tests 5-2 power up 5-1 results 5-3 Dimensions A-1 Document[...]

Index Index-2 T oken Ring Switch Module User Guide[...]