Cabletron Systems ATX User manual

ATX
USER’S GUIDE
POWER STATUS ENGINE STATUS TURBO STATUS SUPPLY A SUPPLY B 1.6 Gbps
RESET
PACKET PROCESSING ENGINE
NMS PORT POWER
FastNET ATX
TM
OFFLINE
PROC
PWR
OCTAL IEEE 802.3 / ETHERNET 10BASE-T
3X 4X 5X 6X 7X 8X2X1X
SEGMENT LINK
ACT
COL
12345678
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)
OFFLINE
RX
LK
TX
QUAD FAST ETHERNET / 802.3 100BASE-FX
TX RX
SEGMENT 4SEGMENT 3SEGMENT 2SEGMENT 1
RX
LK
TX RX
LK
TX RX
LK
TX PROC
PWR
TX RX TX RX TX RX
OFFLINE TX PWR
INTELLIGENT FDDI
RING A
RING B
THRU
WRAP RXPROC
FDDI MIC A FDDI MIC BOPTICAL BYPASS
MULTI-MODE MULTI-MODE
OFFLINE
PROCRX
TX PWR
QUADIEEE802.3/ETHERNET10BASE2SEGMENT4SEGMENT3SEGMENT2SEGMENT1 RX
TX
RX
TX
RX
TX
OFFLINE
PROCRX
TX PWR
QUAD IEEE 802.3 / ETHERNET 10BASE2
SEGMENT 4SEGMENT 3SEGMENT 2SEGMENT 1 RX
TX
RX
TX
RX
TX

Notice
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 have been made.
The hardware, firmware, or software described in this manual is subject to change without notice.
IN NO EVENT SHALL CABLETRON SYSTEMS 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 IT, EVEN IF CABLETRON SYSTEMS HAS BEEN
ADVISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH
DAMAGES.
 Copyright 1997 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005
All Rights Reserved
Printed in the United States of America
Order Number: 9031871-02 April 1997
FCC NOTICE
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial environment.
This equipment uses, generates, and can radiate radio frequency energy and if not installed in
accordance with the operator’s manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause interference in which case the user
will be required to correct the interference at his own expense.
WARNING: Changes or modifications made to this device which are not expressly approved by the
party responsible for compliance could void the user’s authority to operate the equipment.

Notice
ii
DOC NOTICE
This digital apparatus does not exceed the ClassA limits for radio noise emissions from digital
apparatus set out in the Radio Interference Regulations of the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables
aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique
édicté par le ministère des Communications du Canada.
VCCI NOTICE
This equipment is in the 1st Class Category (information equipment to be used in commercial and/or
industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference
by Information Technology Equipment (VCCI) aimed at preventing radio interference in commercial
and/or industrial areas.
Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be
caused to radios and TV receivers, etc.
Read the instructions for correct handling.

Notice
iii
EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY
1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in
writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including
its documentation and media).
CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUPPLIED TO
YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IMPLIED, INCLUDING
BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THE PROGRAM, THE
ACCOMPANYING WRITTEN MATERIALS, AND ANY ACCOMPANYING HARDWARE.
2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL
CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER
(INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS,
PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL,
INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS)
ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT,
EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR
ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES, IN SOME
INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO
YOU.
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 Cabletron software program (the
“Program”) contained in this package. The Program may be contained in firmware, chips or other
media. BY UTILIZING THE ENCLOSED PRODUCT,YOU ARE AGREEING TO BECOME
BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES THE LICENSE AND
THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY. IFYOU DO NOT
AGREE TO THE TERMS OF THIS AGREEMENT, PROMPTLY RETURN THE UNUSED
PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND.
CABLETRON SOFTWARE PROGRAM LICENSE
1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this
package subject to the terms and conditions of this License Agreement.
You may not copy, reproduce or transmit any part of the Program except as permitted by the
Copyright Act of the United States or as authorized in writing by Cabletron.
2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or disassemble the
Program.
3. APPLICABLE LAW. This License 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.

Notice
iv
DECLARATION OF CONFORMITY
Application of Council Directive(s): 89/336/EEC
73/23/EEC
Manufacturer’s Name: Cabletron Systems, Inc.
Manufacturer’s Address: 35 Industrial Way
PO Box 5005
Rochester, NH 03867
European Representative Name: Mr. J. Solari
European Representative Address: Cabletron Systems Limited
Nexus House, Newbury Business Park
London Road, Newbury
Berkshire RG13 2PZ, England
Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC
EC Directive 73/23/EEC
EN 55022
EN 50082-1
EN 60950
Equipment Type/Environment: Networking Equipment, for use in a
Commercial or Light
Industrial
Environment.
We the undersigned, hereby declare, under our sole responsibility, that the equipment packaged
with this notice conforms to the above directives.
Manufacturer Legal Representative in Europe
Mr. Ronald Fotino Mr. J. Solari
___________________________________ ___________________________________
Full Name Full Name
Principal Compliance Engineer Managing Director - E.M.E.A.
___________________________________ ___________________________________
Title Title
Rochester, NH, USA Newbury, Berkshire, England
___________________________________ ___________________________________
Location Location

v
CONTENTS
CHAPTER 1 INTRODUCTION
1.1 USING THIS MANUAL .........................................................................1-1
1.2 DOCUMENT CONVENTIONS.............................................................1-3
1.3 RELATED DOCUMENTATION ...........................................................1-4
1.4 GETTING HELP.......................................................................................1-5
1.5 ATX ARCHITECTURE ............................................................................1-6
1.6 ATX FEATURES .......................................................................................1-6
1.6.1 Netbios Name Caching.................................................................1-8
1.6.2 ATX Local and Remote Port Mirroring.......................................1-9
1.6.3 IPX with Token Ring Source Routing .......................................1-10
1.6.4 Event Logging on the ATX .........................................................1-10
1.6.5 ATX LAN Switch Workgroups...................................................1-11
1.6.6 ATX Packet Processing Engine...................................................1-11
1.6.7 Input/output Modules ...............................................................1-12
1.6.8 Power Supply ...............................................................................1-13
1.7 BRIDGING FUNCTIONS .....................................................................1-13
1.7.1 Transparent Bridging...................................................................1-16
1.7.2 Source Route Translational Bridging ........................................1-16
1.7.3 Source Routing Bridging.............................................................1-17
1.7.4 Source Routing Transparent Bridging ......................................1-19
1.7.5 Translation ....................................................................................1-20
1.8 ROUTING FUNCTIONS.......................................................................1-21
1.8.1 IP Routing .....................................................................................1-22
Routing Information Protocol (RIP).........................................1-22
Address Resolution Protocol (ARP).........................................1-22
Reverse Address Resolution Protocol (RARP)........................1-23
Proxy ARP....................................................................................1-23
BOOTP..........................................................................................1-23
IPM................................................................................................1-23
1.8.2 Multiple IP Networks Per Port ..................................................1-24
1.8.3 IP Multicast Routing....................................................................1-26
1.8.4 IP Routing Over Source Routing ...............................................1-29
1.8.5 Configuring IP Routing Over Source Routing.........................1-32
1.8.6 IPX Routing...................................................................................1-32
Routing Information Protocol (RIP).........................................1-33
Service Advertising Protocol (SAP)..........................................1-33
IPX Routing Over Source Route................................................1-33

vi
Contents
1.8.7 Appletalk Routing........................................................................1-34
AppleTalk addressing..........................................................1-34
AppleTalk zones...................................................................1-34
How a Macintosh learns its address..................................1-35
How a router learns its address .........................................1-35
Seed Routers .........................................................................1-36
1.9 TRUNKING.............................................................................................1-37
Trunk Groups........................................................................1-38
1.10 LOCAL CONSOLE MANAGER........................................................1-39
1.10.1 Command Syntax Conventions ...............................................1-40
1.10.2 Basic LCM Commands..............................................................1-41
CHAPTER 2 INSTALLING AND CONNECTING TO THE
NETWORK
2.1 ATX FRONT PANEL ...............................................................................2-1
2.2 MOUNTING THE ATX ...........................................................................2-3
2.3 CONNECTING THE POWER SUPPLY................................................2-4
2.3.1 Checking the Power-up Sequence...............................................2-5
Power-up Diagnostics Sequence..........................................2-6
Troubleshooting the Power-up Sequence...........................2-7
Replacing the Power Supply ................................................2-8
2.4 CONNECTING THE LOCAL CONSOLE MANAGER ...................2-10
CHAPTER 3 CONFIGURING
3.1 CONFIGURING BRIDGING..................................................................3-1
3.1.1 Enabling Bridging Functions........................................................3-3
3.1.2 Displaying Bridging Functions....................................................3-4
3.1.3 Disabling Bridging.........................................................................3-5
3.2 CONFIGURING IP ROUTING ..............................................................3-5
3.2.1 Assigning an IP Address...............................................................3-5
3.2.2 Deleting an IP Address..................................................................3-6
3.2.3 Changing a Subnet Mask..............................................................3-7
3.2.4 Displaying IP Addresses...............................................................3-7
3.2.5 Enabling IP Routing Functions ....................................................3-8
3.2.6 Adding an IP Address to a Port ...................................................3-9
3.2.7 Deleting an IP Address From a Port..........................................3-10
3.2.8 Clearing All IP Addresses From a Port .....................................3-10
3.2.9 IP Multicast Routing LCM Commands ....................................3-11
3.2.10 Displaying IP Routing Functions.............................................3-12

Contents
vii
3.2.11 Disabling Routing Functions....................................................3-12
3.3 CONFIGURING IPX ROUTING..........................................................3-12
3.3.1 Assigning an IPX Address..........................................................3-13
3.3.2 Displaying IPX Addresses ..........................................................3-13
3.3.3 Enabling IPX Routing Functions ...............................................3-14
3.3.4 Displaying IPX Routing Functions............................................3-15
3.3.5 Disabling IPX Routing.................................................................3-15
3.4 CONFIGURING APPLETALK ROUTING.........................................3-15
3.4.1 Enabling AppleTalk Routing......................................................3-16
3.4.2 Displaying AppleTalk Routing Functions................................3-16
3.4.3 Disabling AppleTalk Routing.....................................................3-17
3.4.4 Assigning a Network Number...................................................3-17
3.4.5 Displaying the Network Number .............................................3-19
3.4.6 Adding a Zone Name..................................................................3-19
3.4.7 Displaying a Zone Name............................................................3-20
3.5 CONFIGURING TRUNKING ..............................................................3-20
3.5.1 Enabling Trunking .......................................................................3-21
3.5.2 Disabling Trunking......................................................................3-22
3.6 CONFIGURING MULTICAST STORM PROTECTION..................3-22
3.7 MODIFYING MIB VARIABLES...........................................................3-23
3.7.1 System Contact.............................................................................3-23
3.7.2 System Name................................................................................3-24
3.7.3 System Location ...........................................................................3-24
3.7.4 Authentication Password............................................................3-24
Set Password................................................................................3-24
Get Password...............................................................................3-25
Aging Parameter .........................................................................3-25
Traps (acknowledge)...................................................................3-25
Configuration Alarm Dynamic .................................................3-26
3.8 CONFIGURING NETBIOS NAME CACHING ................................3-26
3.9 VIRTUAL WORKGROUP LCM COMMANDS.................................3-27
3.10 CLASSIFICATION...............................................................................3-28
3.10.1 Workgroup of Type ALL...........................................................3-28
3.10.2 Workgroup of Type IP...............................................................3-29
3.10.3 Workgroup of Type IPX ............................................................3-31
3.10.4 Same Port in Multiple Workgroups ........................................3-33
3.10.5 Workgroup to Workgroup Communication ..........................3-34
3.11 LOCAL AND REMOTE PORT MIRRORING COMMANDS .......3-35
3.11.1 Types of Media and Framing....................................................3-36
3.11.2 Packet Capturing and Mirroring .............................................3-37
3.11.3 Mirrored Filters ..........................................................................3-38

viii
Contents
3.11.4 Example #1: LOCAL Port Mirroring.......................................3-38
3.11.5 Example #2: REMOTE Port Mirroring....................................3-39
3.12 IPX ROUTING OVER SOURCE ROUTE COMMANDS................3-40
3.13 PING COMMANDS ............................................................................3-40
3.14 TRACE ROUTE COMMANDS...........................................................3-40
3.15 EVENT LOGGING COMMANDS.....................................................3-41
3.15.1 eventfilter ....................................................................................3-41
3.15.2 eventtrap .....................................................................................3-42
3.15.3 eventdisplay................................................................................3-42
3.16 CONFIGURING SOURCE ROUTE TRANSLATIONAL BRIDGING
(RIF CACHING)............................................................................................3-42
3.16.1 Managing SRTB..........................................................................3-43
3.16.2 SRTB Usage in the ATX .............................................................3-44
CHAPTER 4 MONITORING AND MANAGING THE ATX
4.1 MONITORING STATISTICS..................................................................4-1
4.1.1 General Status and Statistics ........................................................4-4
4.1.2 IP Status and Statistics...................................................................4-4
4.1.3 ICMP Status and Statistics............................................................4-6
4.1.4 UDP Status and Statistics..............................................................4-8
4.1.5 SNMP Status and Statistics...........................................................4-9
4.1.6 Spanning Tree Status and Statistics...........................................4-10
4.2 MODULE STATUS AND STATISTICS...............................................4-11
4.2.1 End-node Status and Statistics...................................................4-11
4.2.2 Traffic Analysis Statistics.............................................................4-12
4.3 MONITORING STATUS.......................................................................4-13
4.3.1 Displaying Status .........................................................................4-13
4.3.2 Displaying MAC Addresses.......................................................4-15
4.3.3 Displaying Manufacturing Information ...................................4-17
4.4 MANAGING YOUR ATX .....................................................................4-17
4.4.1 Disabling a Port............................................................................4-18
4.4.2 Enabling a Port .............................................................................4-18
4.4.3 Taking a Module Offline .............................................................4-19
4.4.4 Bringing a Module Online ..........................................................4-19
4.4.5 Setting The Baud Rate .................................................................4-20
4.4.6 Displaying The Baud Rate ..........................................................4-20
4.4.7 Assigning a Community Name .................................................4-20