Cabletron Systems SmartSTACK STS16-20RM User manual

SmartStack
STS16-20RM/STS16-20FRM
Token Ring Switches
Installation
and
User Guide

i
Notice
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.
© October 1999 by:
Cabletron Systems, Inc.
35 Industrial Way
Rochester, NH 03867
All Rights Reserved.
Order Number: 9032957-01
(OC-7052 v. 1.1, 710001810)
SmartStack is a trademark of Cabletron Systems, Inc.
CompuServe is a registered trademark of CompuServe, Inc.
i960 microprocessor is a registered trademark of Intel Corp.
Ethernet is a trademark of Xerox Corporation.

ii
Notice
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.
VCCI Notice
This is a Class A product based on the standard of the Voluntary Control Council for
Interference by Information Technology Equipment (VCCI). If this equipment is used in
a domestic environment, radio disturbance may arise. When such trouble occurs, the user
may be required to take corrective actions.
Industry Canada Notice
This digital apparatus does not exceed the Class A 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.

iii
Notice
Declaration of Conformity
Addendum
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

iv
Notice
Table of Contents
1. Introduction 1
Switching Technology . . . . . . . . . . . . . . . . . . . . . . . 2
Switch of Switches. . . . . . . . . . . . . . . . . . . . . . . 2
Switch of Servers . . . . . . . . . . . . . . . . . . . . . . . 3
Switch of Hubs. . . . . . . . . . . . . . . . . . . . . . . . . 3
Switch of Desktops . . . . . . . . . . . . . . . . . . . . . . 3
Switch of Floors and Buildings. . . . . . . . . . . . . . . . . 4
Switch of Routers . . . . . . . . . . . . . . . . . . . . . . . 4
Front Panel Details . . . . . . . . . . . . . . . . . . . . . . . . 5
The MANAGEMENT Port . . . . . . . . . . . . . . . . . . . 5
Token Ring Ports . . . . . . . . . . . . . . . . . . . . . . . 6
Switched Port Analyzer . . . . . . . . . . . . . . . . . . . . 6
SmartStack Interface Modules. . . . . . . . . . . . . . . . . 7
Reset Button . . . . . . . . . . . . . . . . . . . . . . . . . . 7
System Request Button . . . . . . . . . . . . . . . . . . . . 7
Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Status and Activity LEDs . . . . . . . . . . . . . . . . . . . 8
Back Panel Details. . . . . . . . . . . . . . . . . . . . . . . . . 10
Features and Specifications . . . . . . . . . . . . . . . . . . . . 11
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 13
2. Switch Overview 17
Multiple Simultaneous Conversations . . . . . . . . . . . . . . . 18
Low Latency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Address Management . . . . . . . . . . . . . . . . . . . . . . . 19
Multiple Bridging Modes . . . . . . . . . . . . . . . . . . . . . . 20
Source Route Switching (SRS) . . . . . . . . . . . . . . . . 21
Source Route Bridging (SRB) . . . . . . . . . . . . . . . . . 21
Source Route Transparent (SRT) . . . . . . . . . . . . . . . 22
SRT/SRB . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Congestion Control . . . . . . . . . . . . . . . . . . . . . . . . 23
Three Switching Modes . . . . . . . . . . . . . . . . . . . . . . 24
Cut-Through . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Store and Forward . . . . . . . . . . . . . . . . . . . . . . . 24
Auto (Adaptive Cut-Through) . . . . . . . . . . . . . . . . . 24
Token Ring Port Operation Modes . . . . . . . . . . . . . . . . 25
RI/RO-Like Connection . . . . . . . . . . . . . . . . . . . . . . 26
Transmission Priority Queues . . . . . . . . . . . . . . . . . . . 27

v
Notice
ClearSession Support . . . . . . . . . . . . . . . . . . . . . . 27
CrossLink Connections. . . . . . . . . . . . . . . . . . . . . . 28
Spanning Tree Protocol Support . . . . . . . . . . . . . . . . . 29
VLAN Support . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Dynamic Source Route Recovery . . . . . . . . . . . . . . . . 31
Management . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SmartStack Manager for Windows . . . . . . . . . . . . . . 35
Telnet Management and VT100 Management (Console) . . 35
IBM LAN Network Manager . . . . . . . . . . . . . . . . . 35
RMON Support . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Built-in Port Counters. . . . . . . . . . . . . . . . . . . . . . . 37
Stackable Architecture . . . . . . . . . . . . . . . . . . . . . . 38
Back-to-Back . . . . . . . . . . . . . . . . . . . . . . . . . 38
Internal Stacker. . . . . . . . . . . . . . . . . . . . . . . . 38
External Stacker . . . . . . . . . . . . . . . . . . . . . . . 38
Optional Redundant Power Supply. . . . . . . . . . . . . . . . 39
3. Preparing for Installation 41
Safety Recommendations . . . . . . . . . . . . . . . . . . . . 41
Safety with Electricity. . . . . . . . . . . . . . . . . . . . . 41
Preventing Electrostatic Discharge Damage . . . . . . . . . 42
Site Requirements . . . . . . . . . . . . . . . . . . . . . . . . 43
Environment . . . . . . . . . . . . . . . . . . . . . . . . . 43
Chassis Accessibility . . . . . . . . . . . . . . . . . . . . . 43
Cooling and Airflow. . . . . . . . . . . . . . . . . . . . . . 43
Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Configuration Guidelines . . . . . . . . . . . . . . . . . . . . . 45
Frame Length Limit. . . . . . . . . . . . . . . . . . . . . . 45
IEEE 802.1D Spanning Tree . . . . . . . . . . . . . . . . . 46
Ring Numbers . . . . . . . . . . . . . . . . . . . . . . . . 47
Connecting to Other Non-IEEE 802.5j Compliant
Fiber Devices. . . . . . . . . . . . . . . . . . . . . . . . . 47
Sample Applications for the STS16-20RM and
the STS16-20FRM . . . . . . . . . . . . . . . . . . . . . . . . 48
Important Management Considerations . . . . . . . . . . . 52
4. Installation 53
Installation Summary . . . . . . . . . . . . . . . . . . . . . . . 53
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . 54
Materials Needed for Installation . . . . . . . . . . . . . . . . . 55
Installing a SmartStack Interface Module . . . . . . . . . . . . 55
Mounting the Chassis . . . . . . . . . . . . . . . . . . . . . . 57

vi
Notice
Rack or Cabinet Mounting . . . . . . . . . . . . . . . . . . . 57
Table-Mounting . . . . . . . . . . . . . . . . . . . . . . . . 58
Cabling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Connecting Devices to the Token Ring Ports . . . . . . . . . 59
Connecting Devices to the Token Ring Ports
Using Building Wiring . . . . . . . . . . . . . . . . . . . . . 60
Checking the Installation. . . . . . . . . . . . . . . . . . . . . . 61
Applying Power . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5. Accessing Switch Management 65
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Connecting the Console . . . . . . . . . . . . . . . . . . . . . . 66
Communication Problems . . . . . . . . . . . . . . . . . . . 68
Diagnostic Screen . . . . . . . . . . . . . . . . . . . . . . . 69
6. Switch Configuration 71
General Guidelines . . . . . . . . . . . . . . . . . . . . . . . . 72
Navigating within the Menus. . . . . . . . . . . . . . . . . . 73
Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Configuration Menu . . . . . . . . . . . . . . . . . . . . . . . . 75
Switch Configuration Screen. . . . . . . . . . . . . . . . . . . . 76
Stack Configuration Screen . . . . . . . . . . . . . . . . . . 79
Module Information Screen . . . . . . . . . . . . . . . . . . 80
VLAN Configuration . . . . . . . . . . . . . . . . . . . . . . . . 82
VLAN Configuration Menu . . . . . . . . . . . . . . . . . . . 83
VLAN Configuration Screen . . . . . . . . . . . . . . . . . . 84
VLAN Parameter Configuration for CRF Screen . . . . . . . 86
VLAN Parameter Configuration for BRF Screen . . . . . . . 88
VLAN Port Configuration Screen . . . . . . . . . . . . . . . 90
IP Configuration Screen . . . . . . . . . . . . . . . . . . . . . . 91
BootP Requests and Parameters . . . . . . . . . . . . . . . 93
SNMP Configuration Menu . . . . . . . . . . . . . . . . . . . . 94
Spanning Tree Protocol . . . . . . . . . . . . . . . . . . . . . . 94
IEEE 802.1D Spanning Tree Protocol (STP) . . . . . . . . . 95
Spanning Tree for BRF Screen . . . . . . . . . . . . . . . . 96
Spanning Tree for CRF Screen . . . . . . . . . . . . . . . . 99
Port Spanning Tree Parameters Screen. . . . . . . . . . . 102
Current Spanning Tree Information Screen . . . . . . . . . 103
Port Configuration Screen . . . . . . . . . . . . . . . . . . . . 104
Switched Port Analyzer Menu . . . . . . . . . . . . . . . . . . 109
CrossLink . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
CrossLink Menu . . . . . . . . . . . . . . . . . . . . . . . 111
CrossLink Configuration Screen . . . . . . . . . . . . . . . 112

vii
Notice
Setting up a CrossLink . . . . . . . . . . . . . . . . . . . . 113
Current CrossLink Information Screen . . . . . . . . . . . . 114
Address Filtering . . . . . . . . . . . . . . . . . . . . . . . . . 115
Filters and Port Security Menu . . . . . . . . . . . . . . . . 116
Configure Filters Screen . . . . . . . . . . . . . . . . . . . 117
Configure Port Security Mode Screen . . . . . . . . . . . . 119
View Port Filters Screen . . . . . . . . . . . . . . . . . . . 120
Protocol Filters Menu. . . . . . . . . . . . . . . . . . . . . 121
Protocol Class Assignment Screen . . . . . . . . . . . . . 122
Port Filtering Attributes Screen. . . . . . . . . . . . . . . . 123
Address Aging . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Address Aging Menu . . . . . . . . . . . . . . . . . . . . 126
Port Address Table Aging Screen . . . . . . . . . . . . . . 126
Master Address Table Aging Screen . . . . . . . . . . . . . 128
Password Menu . . . . . . . . . . . . . . . . . . . . . . . . . 129
Console/Telnet Sessions . . . . . . . . . . . . . . . . . . . . . 131
Console Configuration Menu . . . . . . . . . . . . . . . . . 131
Serial Link Configuration Screen . . . . . . . . . . . . . . . 132
Creating a Console Session Using a Modem . . . . . . . . 133
Stopping the Console Session . . . . . . . . . . . . . . . . 133
Telnet Configuration Screen . . . . . . . . . . . . . . . . . 134
Telnet Sessions Screen . . . . . . . . . . . . . . . . . . . 135
Starting the Telnet Session. . . . . . . . . . . . . . . . . . 136
Stopping the Telnet Session . . . . . . . . . . . . . . . . . 136
Involuntary Termination of the Telnet Session . . . . . . . . 136
Syslog Daemon Screen . . . . . . . . . . . . . . . . . . . . . 138
DSRR Configuration . . . . . . . . . . . . . . . . . . . . . . . 140
DSRR Group Configuration Screen . . . . . . . . . . . . . 142
DSRR Configuration Screen . . . . . . . . . . . . . . . . . 143
Download/Upload Menu . . . . . . . . . . . . . . . . . . . . . 146
Serial Link Download Screen. . . . . . . . . . . . . . . . . 147
TFTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
TFTP Download/Upload Screen . . . . . . . . . . . . . . . 149
Reset Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
7. Monitoring the Network from the Console
Statistics Menu 153
Statistics Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Switch Statistics Screen . . . . . . . . . . . . . . . . . . . . . 155
Power Supply Information Screen . . . . . . . . . . . . . . . . 157
Port Status Screen . . . . . . . . . . . . . . . . . . . . . . . . 158
Port Statistics Menu . . . . . . . . . . . . . . . . . . . . . . . 160
General Statistics Screen . . . . . . . . . . . . . . . . . . 161

viii
Notice
802.5 Statistics Screen . . . . . . . . . . . . . . . . . . . 165
802.5 State Information Screen . . . . . . . . . . . . . . . 168
802.5 DTR MAC Information Menu . . . . . . . . . . . . . 170
TXI Information Screen . . . . . . . . . . . . . . . . . . . 171
Station-CPort Information Screen . . . . . . . . . . . . . . 173
Address Tables Menu . . . . . . . . . . . . . . . . . . . . . . 175
Master Address Table Screen . . . . . . . . . . . . . . . . 176
Master Route Descriptor Table Screen . . . . . . . . . . . 179
VLAN Address Table Screen . . . . . . . . . . . . . . . . 180
VLAN Route Descriptor Table Screen . . . . . . . . . . . . 181
Locate MAC Address Screen . . . . . . . . . . . . . . . . 182
Current Spanning Tree Information Screen . . . . . . . . . 183
Current Spanning Tree Information for a CRF Screen . . . 186
VLAN Statistics . . . . . . . . . . . . . . . . . . . . . . . . . 189
VLAN Statistics Screen for CRF . . . . . . . . . . . . . . . 189
VLAN Statistics Screen for BRF . . . . . . . . . . . . . . . 190
DSRR Status Screens . . . . . . . . . . . . . . . . . . . . . . 191
DSRR Status Tables Screen . . . . . . . . . . . . . . . . 191
DSRR Neighbor Table Screen. . . . . . . . . . . . . . . . 192
DSRR Acting as Backup Table Screen . . . . . . . . . . . 193
Diagnostic Test Results Screen . . . . . . . . . . . . . . . . . 194
Message Log Information Screen . . . . . . . . . . . . . . . . 195
Display Summary Screen . . . . . . . . . . . . . . . . . . . . 197
8. Monitoring the Network with SNMP 199
SNMP Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
IP Configuration Screen . . . . . . . . . . . . . . . . . . . . . 199
SNMP Configuration . . . . . . . . . . . . . . . . . . . . . . . 200
SNMP Configuration Screen. . . . . . . . . . . . . . . . . 200
Community Strings Screen . . . . . . . . . . . . . . . . . 201
Trap Receivers Screen . . . . . . . . . . . . . . . . . . . 203
List of Supported Traps from a Switch. . . . . . . . . . . . 204
9. Monitoring Port Traffic 209
Switched Port Analyzer Screen . . . . . . . . . . . . . . . . . 211
10. Troubleshooting 213
Obtaining Service . . . . . . . . . . . . . . . . . . . . . . 213
Troubleshooting in a Network . . . . . . . . . . . . . . . . 213
Start of Troubleshooting Process . . . . . . . . . . . . . . 213
Choosing a Troubleshooting Procedure . . . . . . . . . . . 214