M Series and T Series Routers
Monitoring and Troubleshooting Guide
Published: 2012-08-20
Part Number: 530-017618-01, Revision
Copyright © 2012, Juniper Networks, Inc.
Juniper Networks, Inc.
1194 North Mathilda Avenue
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
This product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. Copyright © 1986-1997,
Epilogue Technology Corporation. All rights reserved. This program and its documentation were developed at private expense, and no part
of them is in the public domain.
This product includes memory allocation software developed by Mark Moraes, copyright © 1988, 1989, 1993, University of Toronto.
This product includes FreeBSD software developed by the University of California, Berkeley, and its contributors. All of the documentation
and software included in the 4.4BSD and 4.4BSD-Lite Releases is copyrighted by the Regents of the University of California. Copyright ©
1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994. The Regents of the University of California. All rights reserved.
GateD software copyright © 1995, the Regents of the University. All rights reserved. Gate Daemon was originated and developed through
release 3.0 by Cornell University and its collaborators. Gated is based on Kirton’s EGP, UC Berkeley’s routing daemon (routed), and DCN’s
HELLO routing protocol. Development of Gated has been supported in part by the National Science Foundation. Portions of the GateD
software copyright © 1988, Regents of the University of California. All rights reserved. Portions of the GateD software copyright © 1991, D.
L. S. Associates.
This product includes software developed by Maker Communications, Inc., copyright © 1996, 1997, Maker Communications, Inc.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
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Products made or sold by Juniper Networks or components thereof might be covered by one or more of the following patents that are
owned by or licensed to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312,
6,429,706, 6,459,579, 6,493,347, 6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.
M Series and T Series Routers Monitoring and Troubleshooting Guide
Copyright © 2012, Juniper Networks, Inc.
All rights reserved.
Revision History
July 2012—Added T1600, TX Matrix, and TX Matrix Plus router information
September 2011—Added M120 router information
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the
year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions
of that EULA.
Copyright © 2012, Juniper Networks, Inc.ii
Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxix
Junos Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxix
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxix
Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xl
Supported Routing Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xl
Using the Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xli
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xli
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xlii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xliii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xliii
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xliii
Part 1 Juniper Networks M Series and T Series Routers
Chapter 1 M Series Multiservice Edge Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
M5 and M10 Internet Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
M5 and M10 Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
M7i Multiservice Edge Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
M7i Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
M10i Multiservice Edge Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
M10i Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
M20 Internet Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
M20 Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
M40 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
M40 Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
M40e Multiservice Edge Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
M40e Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
M120 Multiservice Edge Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
M120 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
M160 Internet Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
M160 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
M320 Multiservice Edge Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
M320 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 2 T Series Core Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
T320 Core Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
T320 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
T640 Core Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
T640 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
T1600 Core Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
T1600 Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
iiiCopyright © 2012, Juniper Networks, Inc.
TX Matrix Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
TX Matrix Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
TX Matrix Plus Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
TX Matrix Plus Router Major Hardware Components . . . . . . . . . . . . . . . . . . . . . . . 45
Part 2 Methodology and Tools for Monitoring Router Components
Chapter 3 Method and Tools for Monitoring Router Components . . . . . . . . . . . . . . . . . 51
Basic Router Component Monitoring Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Basic Router Component Monitoring Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Common Operational Mode Commands To Monitor Router Components . . . . . . 56
Using the Basic Monitoring Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Check the Router Component Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Check the Router Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Check the Component LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Display Detailed Component Environmental Information . . . . . . . . . . . . . . . 65
Display Detailed Component Operational Information . . . . . . . . . . . . . . . . . 66
Gather Component Alarm Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Display the Current Router Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Display Error Messages in the Messages Log File . . . . . . . . . . . . . . . . . . . . . . 112
Display Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . . . . . . 113
Verify the Component Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Fix the Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Contact JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Return the Failed Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Part 3 Monitoring Key and Common Router Components
Chapter 4 Monitoring Key Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Understanding Key Router Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Packet Forwarding Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Data Flow Through the Router Packet Forwarding Engine . . . . . . . . . . . . . . . . . . 122
Data Flow Through the M5 and M10 Router Packet Forwarding Engine . . . . 122
Data Flow Through the M7i Router Packet Forwarding Engine . . . . . . . . . . . 123
Data Flow Through the M10i Router Packet Forwarding Engine . . . . . . . . . . 124
Data Flow Through the M20 Router Packet Forwarding Engine . . . . . . . . . . 125
Data Flow Through the M40 Router Packet Forwarding Engine . . . . . . . . . . 126
Data Flow Through the M40e Router Packet Forwarding Engine . . . . . . . . . 127
Data Flow Through the M120 Router Packet Forwarding Engine . . . . . . . . . . 128
Data Flow Through the M160 Router Packet Forwarding Engine . . . . . . . . . 128
Data Flow Through the M320 Router Packet Forwarding Engine . . . . . . . . . 129
Data Flow Through the T320, T640, and T1600 Router Packet Forwarding
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Data Flow Through the TX Matrix Router Packet Forwarding Engine . . . . . . 133
Data Flow Through the TX Matrix Plus Router Packet Forwarding Engine . . 135
Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Routing Engine Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Copyright © 2012, Juniper Networks, Inc.iv
M Series and T Series Routers Monitoring and Troubleshooting Guide
Chapter 5 Monitoring the Router Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Checklist for Monitoring the Router Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Router Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Check the Router Chassis Component Status . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Display the Hardware Components Installed in the Router Chassis . . . . . . . 156
Check the Component Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . 157
Check the Component Status from the Craft Interface . . . . . . . . . . . . . . . . . 158
Check Router Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Display Current Component Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Display Component Error Messages in the System Log File . . . . . . . . . . . . . . 161
Display Component Errors in the Chassis Daemon Log File . . . . . . . . . . . . . . 161
Verify Router Component Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Replace a Failed Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Chapter 6 Monitoring the Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Checklist for Monitoring the Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Understanding the Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Routing Engine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Routing Engine Types and Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
M7i and M10i Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
M5, M10, M20, M40, M40e, M120, and M160 Router Routing
Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
M320 Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
T320, T640, T1600, and TX Matrix Router Routing Engine . . . . . . . . . . . 171
TX Matrix Plus Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Routing Engine Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Routing Engine Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Routing Engine Component Companionship . . . . . . . . . . . . . . . . . . . . . . . . . 177
Routing Engine Boot Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Routing Engine Storage Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Monitor the Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Check the Detailed Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Check the Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Check the M7i Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Check the M10i Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 181
Check the M20 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 182
Check the M40 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 183
Check the M120 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . 184
Check the M40e and M160 Router Routing Engine LEDs . . . . . . . . . . . . . . . 185
Check the M320 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . 186
Check the T320 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 187
Check the T640 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . 187
Check the T1600 Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . 188
Check the TX Matrix Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . 189
Check the TX Matrix Plus Router Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . 190
Check the Redundant Routing Engine Status from the Craft Interface CLI
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Verify Routing Engine Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
vCopyright © 2012, Juniper Networks, Inc.
Table of Contents
Check Core Files If the Routing Engine Reboots . . . . . . . . . . . . . . . . . . . . . . . . . . 196
List the Core Files Generated After a Crash Occurs . . . . . . . . . . . . . . . . . . . . 196
Display the Messages Log File After a Crash Occurs . . . . . . . . . . . . . . . . . . . 196
Display the Log File When Kernel Crash Core File Is not Generated . . . . . . . 197
Check for CompactFlash Card and Hard Disk Failure . . . . . . . . . . . . . . . . . . . . . . 197
When the CompactFlash Card Is Removed from the Boot List . . . . . . . . . . . 198
Determine Why CompactFlash Card Did Not Mount . . . . . . . . . . . . . . . . . . . 198
When the Hard Disk Is Removed from the Boot List . . . . . . . . . . . . . . . . . . . 199
Verify That the Hard Disk Did Not Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Verify That the Hard Disk Is Missing from The Boot List . . . . . . . . . . . . . . . . 200
View Alarms When Media Is Removed from the Boot List . . . . . . . . . . . . . . 200
Understand What Happens When Memory Failures Occur . . . . . . . . . . . . . . . . . 201
Check the Router File System and Boot Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Display the Current Routing Engine Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Display Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Document the Events Prior to the Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Display Routing Engine Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Locate the Routing Engine Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . 204
M7i Router Routing Engine Serial Number ID Label Location . . . . . . . . . . . . 205
M10i Router Routing Engine Serial Number ID Label Location . . . . . . . . . . . 205
Teknor Type 2 Routing Engine Serial Number ID Label Location . . . . . . . . . 205
M40 Router Routing Engine Serial Number ID Label Location . . . . . . . . . . . 206
M120 Router Serial Number ID Label Location . . . . . . . . . . . . . . . . . . . . . . . 207
M320 Router Serial Number ID Label Location . . . . . . . . . . . . . . . . . . . . . . . 207
T320 Router and T640 Router Serial Number ID Label Location . . . . . . . . 208
T1600 Router Serial Number ID Label Location . . . . . . . . . . . . . . . . . . . . . . 209
TX Matrix Router Serial Number ID Label Location . . . . . . . . . . . . . . . . . . . . 209
TX Matrix Plus Router Serial Number ID Label Location . . . . . . . . . . . . . . . . 210
Removing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Chapter 7 Monitoring FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Checklist for Monitoring FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Understanding FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Checking the FPC Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Check FPC Status and Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Check FPC Status and Uptime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Checking FPC Status and Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Checking FPC Status and Temperature in a T1600 Router . . . . . . . . . . . . . . 218
Checking the FPC LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Checking for FPC Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Replacing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Displaying FPC Error Messages in the System Log File . . . . . . . . . . . . . . . . . . 221
Displaying FPC Error Messages in the Chassis Daemon Log File . . . . . . . . . . 222
Verifying FPC Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Document Events Prior to the FPC Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Checking the FPC Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Checking the FPC fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Take the FPC Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Perform an FPC Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
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Displaying the FPC Software Version Information . . . . . . . . . . . . . . . . . . . . . 227
Display the FPC Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Locating the FPC Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Replace the FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Chapter 8 Monitoring PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Checklist for Monitoring PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
PICs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Checking the PIC Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Display the PIC Media Type and FPC Status . . . . . . . . . . . . . . . . . . . . . . . . . 239
Display the PIC Interface Status Information . . . . . . . . . . . . . . . . . . . . . . . . 240
Viewing the PIC LED States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Checking PIC Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Checking the Current Chassis Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Display the Error Messages in the System Log file . . . . . . . . . . . . . . . . . . . . . 242
Verifying PIC Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Performing a PIC Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Displaying the PIC Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Locating the PIC Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Chapter 9 Monitoring the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Checklist for Monitoring the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Understanding the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Monitoring the Craft Interface Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Viewing the Craft Interface Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Checking the Craft Interface Environmental Status . . . . . . . . . . . . . . . . . . . 256
Viewing Craft Interface Information from the Command Line . . . . . . . . . . . . . . . 258
Verifying Craft Interface Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Displaying Craft Interface Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Display Craft Interface Error Messages in the System Log File . . . . . . . . . . . 260
Displaying Craft Interface Messages in the Chassis Daemon Log File . . . . . 260
Displaying Craft Interface Hardware Information . . . . . . . . . . . . . . . . . . . . . . 261
Replacing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Replacing the M20 Router Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Replacing the M40 Router Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Replacing the M40e and M160 Router Craft Interface . . . . . . . . . . . . . . . . . 263
Replacing the M120 Router Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Replacing the M320 Router Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Replacing the T320, T640, and T1600 Router Craft Interface . . . . . . . . . . . 265
Replacing the TX Matrix and TX Matrix Plus Craft Interface . . . . . . . . . . . . . 266
Locating the Craft Interface Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . 267
Locating the M20 Router Craft Interface Serial Number ID Label . . . . . . . . . 267
Locating the M40 Router Craft Interface Serial Number ID Label . . . . . . . . 268
Locating the M40e and M160 Router Craft Interface Serial Number ID
Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Locating the M120 Router Craft Interface Serial Number ID Label . . . . . . . . 269
Locating the M320 Router Craft Interface Serial Number ID Label . . . . . . . 269
Locating the T320, T640, and T1600 Router Craft Interface Serial Number
ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Locating the TX Matrix Router Craft Interface Serial Number ID Label . . . . 270
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Locating the TX Matrix Plus Router Craft Interface Serial Number ID
Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Returning the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Chapter 10 Monitoring Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Checklist for Monitoring Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Understanding Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Power Supplies Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
M5/M10 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
M7i Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
M10i Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
M20 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
M40 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
M40e Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
M120 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
M160 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
M320 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
T320 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
T640 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
T1600 Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
TX Matrix Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
TX Matrix Plus Router Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Checking the Power Supply Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Checking the Power Supply Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Check the Power Supply Environmental Status . . . . . . . . . . . . . . . . . . . . . . 292
Check the Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Checking for Power Supply Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Displaying Current Power Supply Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Display Power Supply Error Messages in the System Log File . . . . . . . . . . . 304
Display Power Supply Error Messages in the Chassis Daemon Log File . . . . 304
Verifying Power Supply Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Check the Power Supply Power Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Check the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Perform a Power Supply Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Check the Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Test the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Getting Power Supply Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
Displaying the Power Supply Hardware Information . . . . . . . . . . . . . . . . . . 308
Locate the Power Supply Serial Number ID Label . . . . . . . . . . . . . . . . . . . . 309
Replacing the Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Chapter 11 Monitoring the Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Checklist for Monitoring the Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317
Understanding the Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Cooling System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
M5 and M10 Router Cooling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
M7i Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
M10i Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
M20 Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
M40 Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
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M40e and M160 Router Cooling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
M120 Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
M320 Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
T320 and T640 Router Cooling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
T1600 Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
TX Matrix Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
TX Matrix Plus Router Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Checking the Cooling System Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Checking the Cooling System Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Check the Alarm Indicators on the Craft Interface . . . . . . . . . . . . . . . . . . . . 345
Display Current Cooling System Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Display Cooling System Error Messages in the System Log File . . . . . . . . . . 348
Maintaining the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Verifying a Fan Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Verifying an Impeller Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Replacing a Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Chapter 12 Maintaining the Cable Management System, Cables, and Connectors . . . 351
Checklist for Maintaining Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . 351
Understanding the Cable Management System, Cables, and Connectors . . . . . 352
The Cable Management System, Cables, and Connectors Overview . . . . . . 353
M5 and M10 Router Cable Management System . . . . . . . . . . . . . . . . . . . . . 353
M10i Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353
M20 Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
M40 Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
M40e and M160 Router Cable Management System . . . . . . . . . . . . . . . . . . 355
M120 Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
M320 Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . 356
T320, T640, and T1600 Router Cable Management System . . . . . . . . . . . . 357
TX Matrix Router Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . 357
TX Matrix Plus Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . 358
Maintaining the PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Maintaining the PIC Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Cleaning the Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Checking the PIC Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Check the PIC or FPC LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Display the PIC Media Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Maintaining the Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Maintaining Routing Engine External Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
Replacing the Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
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Part 4 Monitoring M120, M320, T320, T640, T1600, TX Matrix, and TX
Matrix Plus Router-Specific Components
Chapter 13 Monitoring the Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Checklist for Monitoring the Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Understanding the Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Host Subsystem Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
M120, M320 T320, T640, T1600, TX Matrix, and TX Matrix Router Routing
Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
M120 Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
M320 Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
T320 , T640, and T1600 Router Routing Engine . . . . . . . . . . . . . . . . . . 369
TX Matrix Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
TX Matrix Plus Router Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 370
M120, M320, T320, T640, T1600, TX Matrix, and TX Matrix Plus Router
Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
M120 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
M320 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
T320 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
T640 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
T1600 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
TX Matrix Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
TX Matrix Plus Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Checking the Host Subsystem Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
Checking the Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
Checking the Control Board Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379
Chapter 14 Monitoring Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Checklist for Monitoring the Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Understanding the Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Control Board Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
M320 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
T320 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
T640 Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
T1600 Router Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
TX Matrix Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
TX Matrix Plus Router Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
M320, T320, T640, T1600, TX Matrix, and TX Matrix Plus Router Control
Board Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Monitor the Control Board Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
Check the Control Board Environmental Status . . . . . . . . . . . . . . . . . . . . . . 388
Check the Control Board Status from the Craft Interface . . . . . . . . . . . . . . . 389
Checking the Control Board Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Display Control Board Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Check the Control Board LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Display Control Board Error Messages in the System Log File . . . . . . . . . . . 392
Display Control Board Error Messages in the Chassis Daemon Log File . . . . 392
Verify Control Board Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Check the Control Board Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Check the Control Board Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
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Perform a Control Board Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Display the Control Board Hardware Information . . . . . . . . . . . . . . . . . . . . . 395
Locate the Control Board Serial Number ID Label . . . . . . . . . . . . . . . . . . . . 396
Return the Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Chapter 15 Monitoring the SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Checklist for Monitoring the SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
SCG Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Monitor the SCG Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Monitor the SCG Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Display the SCG LED States at the Command Line . . . . . . . . . . . . . . . . . . . 405
Check the SCG LEDs States on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . 405
Determine SCG Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
Display the SCG Master from the Craft Interface Output . . . . . . . . . . . . . . . 406
Check the SCG LED States for SCG Mastership on the Faceplate . . . . . . . . 406
Display SCG Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Display Current SCG Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
Display SCG Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . 407
Display SCG Error Messages in the Chassis Daemon Log File . . . . . . . . . . . 408
Verify SCG Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408
Check the SCG Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
Perform an SCG Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
Get SCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Display the SCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Locate the SCG Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Return the SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411
Chapter 16 Monitoring the SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Monitoring the SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
Understanding the SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
SIB Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
M320 Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
T320 Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
T640 Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
T1600 Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
TX Matrix Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 420
TX Matrix Plus Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Monitoring the SIB Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Displaying the SIB Summary Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Displaying the SIB LED Status at the Command Line . . . . . . . . . . . . . . . . . . 422
Check the SIB LED Status on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . . . 422
Displaying the SIB Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
Displaying SIB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424
Display Current SIB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424
Display SIB Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . . 425
Display SIB Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 425
Verifying SIB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Check the SIB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Check the SIB Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Perform a SIB Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427
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Getting SIB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428
Display SIB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428
Locate the SIB Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429
Returning the SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Part 5 Monitoring M40e and M160 Router-Specific Components
Chapter 17 Monitoring the Host Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435
Checklist for Monitoring the Host Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435
Host Module Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435
Check the Host Module Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
Check the Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438
Check the MCS Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
Chapter 18 Monitoring the SFMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
Checklist for Monitoring the SFMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
SFM Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442
Monitor the SFM Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Display the SFM Summary Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Display the SFM LED Status at the Command Line . . . . . . . . . . . . . . . . . . . 445
Check the SFM LED Status on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . . 446
Display the SFM Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Display SFM Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
Display Current SFM Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
Display SFM Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . 448
Display SFM Error Messages in the Chassis Daemon Log File . . . . . . . . . . . 448
Verify SFM Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
Check the SFM Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
Check the SFM Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
Perform an SFM Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
Obtain SFM Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
Display SFM Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
Locate the SFM Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
Replace the SFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
Chapter 19 Monitoring the MCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
Checklist for Monitoring the MCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
MCS Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
Check the MCS Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Check the MCS Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Check the MCS Status from the Craft Interface . . . . . . . . . . . . . . . . . . . . . . 458
Check the MCS LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459
Verifying MCS Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Check the MCS Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Perform an MCS Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
Getting MCS Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462
Display the MCS Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462
Locate the MCS Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
Returning the MCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
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Chapter 20 Monitoring the PCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
Checklist for Monitoring the PCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
PCG Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
Monitor the PCG Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Monitor the PCG Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Display the PCG LED States at the Command Line . . . . . . . . . . . . . . . . . . . 469
Check the PCG LED States on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . . 470
Determine PCG Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470
Display the PCG Master in the Craft Interface Output . . . . . . . . . . . . . . . . . . 470
Check the PCG LED States for PCG Mastership on the Faceplate . . . . . . . . . 471
Display the Packet Forwarding Engine Current Clock Source . . . . . . . . . . . . 471
Display PCG Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472
Display Current PCG Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472
Display PCG Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . 472
Display PCG Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 473
Verify PCG Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Check the PCG Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Check the PCG Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Perform a PCG Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475
Obtain PCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475
Display the PCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475
Locate the PCG Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Replace the PCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Chapter 21 Monitoring the CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Checklist for Monitoring the CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
CIP Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480
Monitor the CIP Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 482
Check for CIP Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Display Current CIP Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Display CIP Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . . 483
Display CIP Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 484
Verify CIP Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484
Check the CIP Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484
Check the Ethernet Port Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485
Perform a CIP Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485
Get CIP Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486
Display CIP Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486
Locating the CIP Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
Replace the CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
Part 6 Monitoring M40 Router-Specific Components
Chapter 22 Monitoring the SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491
Checklist for Monitoring the SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491
SCB Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492
Monitor the SCB Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494
Display the SCB Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494
Display the SCB Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494
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Check the SCB LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495
Check for SCB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496
Display SCB Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . 496
Display SCB Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 497
Verify SCB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498
Check the SCB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499
Perform an SCB Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 499
Obtain SCB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Display the SCB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Locate the SCB Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Display the SCB Firmware Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501
Return the SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501
Part 7 Monitoring M20 Router-Specific Components
Chapter 23 Monitoring the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505
Checklist for Monitoring the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505
SSB overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506
Monitor the SSB status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
Display the SSB Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
Display the SSB Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509
Check the SSB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509
Check for SSB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 510
Display SSB Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . . 510
Display SSB Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . . 511
Verify SSB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Check the SSB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Perform a Swap Test on the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Obtain SSB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
Display the SSB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
Locate the SSB Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513
Display the SSB Firmware Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514
Replace the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514
Part 8 Monitoring M7i and M10i Router-Specific Components
Chapter 24 Monitoring the CFEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517
Checklist for Monitoring the CFEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517
CFEB Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519
Monitor the CFEB Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521
Display the CFEB Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 521
Display the CFEB Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522
Check CFEB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 522
Check for CFEB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523
Display CFEB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523
Check the CFEB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 524
Display CFEB Error Messages in the System Log File . . . . . . . . . . . . . . . . . . 524
Display CFEB Error Messages in the Chassis Daemon Log File . . . . . . . . . . . 525
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Verify CFEB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 526
Check the CFEB Uptime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 526
Check the System Uptime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
Check the CFEB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
Perform a Swap Test on the CFEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
Obtain CFEB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529
Display the CFEB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529
Display the CFEB Firmware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 529
Locate the CFEB Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 530
Return the CFEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530
Chapter 25 Monitoring the HCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531
Checklist for Monitoring the HCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531
HCM Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532
Monitor the HCM Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534
Check HCM LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 534
Check HCM Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535
Check the Companion Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . 535
Display HCM Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 537
Perform A Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538
Remove an HCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538
Install an HCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540
Obtain HCM Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541
Display the HCM Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541
Locate the HCM Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541
Chapter 26 Monitoring the FIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543
Checklist for Monitoring the FIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543
Understanding the FIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544
FIC Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 544
Understanding FIC Slot Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 545
Monitor the FIC Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546
Display FIC Status at the Command Line . . . . . . . . . . . . . . . . . . . . . . . . . . . 546
Check FIC LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546
Display FIC Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
Display the FIC Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
Display FIC Errors In the messages Log File . . . . . . . . . . . . . . . . . . . . . . . . . . 547
Display FIC Errors In the chassisd Log File . . . . . . . . . . . . . . . . . . . . . . . . . . . 548
Display FIC Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 548
Display the FIC Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 548
Display the M7i Router Chassis Serial Number . . . . . . . . . . . . . . . . . . . . . . . 548
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Part 9 Monitoring M5, M10 and M120 Router-Specific Components
Chapter 27 Monitoring the FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553
Checklist for Monitoring the FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553
FEB Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 554
Monitor the FEB Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555
Display the FEB Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556
Display the FEB Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556
Verify FEB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557
Check the FEB Uptime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557
Check the System Uptime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557
Check the FEB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558
Perform a Swap Test on the FEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558
Obtain FEB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559
Display the FEB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559
Display the FEB Firmware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560
Locate the FEB Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560
Part 10 Monitoring Redundant Router Components
Chapter 28 Host Redundancy Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563
Checklist for Host Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563
Understanding Redundancy for the Routing Engine, Host Module, and Host
Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 565
M10i Router Redundant Routing Engines and HCMs . . . . . . . . . . . . . . . . . . . . . . 566
M20 Router Redundant Routing Engines and SSBs . . . . . . . . . . . . . . . . . . . . . . 566
M40e and M160 Router Redundant Host Modules . . . . . . . . . . . . . . . . . . . . . . . 567
M120 Router Redundant Host Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 567
M320 Router, T320 Router, T640 Router, and T1600 Router Redundant Host
Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568
TX Matrix and TX Matrix Plus Redundant Host Subsystems . . . . . . . . . . . . . . . . 569
Routing Engine, Host Module, and Host Subsystem Redundancy
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570
Redundancy Connection for an M10i Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571
Redundancy Connection for an M20 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 571
Redundancy Connection for an M40e or M160 Router . . . . . . . . . . . . . . . . . . . . . 572
Redundancy Connection for an M120 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573
Redundancy Connection for an M320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574
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Redundancy Connection for a T320 Router, T640 Router, and T1600 Router . . 574
Determine Which Routing Engine You Are Logged In To . . . . . . . . . . . . . . . . . . . . 575
Display Routing Engine Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575
Display the Router Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576
Determining Routing Engine Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 577
Determine the Routing Engine Mastership by Checking Status . . . . . . . . . . 577
Determine Routing Engine Mastership by Checking the LEDs . . . . . . . . . . . 578
Log in To Backup Routing Engine If Graceful Switchover is Configured . . . . 578
Manually Configue Master and Backup Routing Engines . . . . . . . . . . . . . . . . . . . 578
Manually Switching Routing Engine Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . 581
Determining Why Mastership Switched . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582
Configuring the Backup Routing Engine to Assume Mastership on Failure of
Keepalives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585
Avoid Redundancy Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586
Operate the Same Type of Routing Engine and Junos OS . . . . . . . . . . . . . . 586
Use the Groups Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586
Synchronize Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 588
Copy a Configuration File from One Routing Engine to Another . . . . . . . . . 588
Use the Proper Shutdown Process on a Backup Routing Engine . . . . . . . . . 589
Chapter 29 Monitoring Redundant Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 591
Checklist for Monitoring Redundant Routing Engines . . . . . . . . . . . . . . . . . . . . . . 591
Understanding Redundant Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592
Redundant Routing Engines Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592
Redundant Routing Engine Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 593
M10i Router Routing Engine Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . 593
M20 Router Routing Engine Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . 594
M40e and M160 Router Routing Engine Redundancy . . . . . . . . . . . . . . . . . 594
M320 Router Routing Engine Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . 595
T320 Router, T640 Router, and T1600 Router Routing Engine
Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 596
TX Matrix Router and TX Matrix Plus Router Routing Engine
Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598
Redundant Routing Engine Automatic Failover Overview . . . . . . . . . . . . . . . . . . 598
Using the Redundant Routing Engine Configuration . . . . . . . . . . . . . . . . . . . . . . 599
Check the Default Routing Engine Redundancy Behavior . . . . . . . . . . . . . . . . . . 600
Display the Redundant Routing Engines Installed in the Router . . . . . . . . . . . . . 600
Display Redundant Routing Engine Mastership and Backup . . . . . . . . . . . . . . . . 602
Displaying Redundant Routing Engine Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603
Manually Switch from Master to Backup Routing Engine . . . . . . . . . . . . . . . . . . 603
Replace a Redundant Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605
Chapter 30 Monitoring Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607
Checklist for Monitoring Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . 607
Understanding Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
Redundant Power Supplies Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608
M5/M10 Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . 609
M7i Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610
M10i Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610
M20 Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611
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M40 Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 612
M40e Router Power Supplies and Location . . . . . . . . . . . . . . . . . . . . . . . . . . 613
M160 Router Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615
T1600 Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 616
TX Matrix Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617
TX Matrix Plus Redundant Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . 618
Display Redundant Power Supplies Installed in The Router . . . . . . . . . . . . . . . . . 619
Chapter 31 Monitoring Redundant Cooling System Components . . . . . . . . . . . . . . . . . 623
Checklist for Monitoring Redundant Cooling System Components . . . . . . . . . . 623
Understanding Redundant Cooling System Components . . . . . . . . . . . . . . . . . . 624
Redundant Cooling System Components Overview . . . . . . . . . . . . . . . . . . . 624
M5 and M10 Router Redundant Cooling System Components . . . . . . . . . . 625
M7i Router Redundant Cooling System Components . . . . . . . . . . . . . . . . . . 626
M10i Router Redundant Cooling System Components . . . . . . . . . . . . . . . . . 627
M20 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . . 628
M40 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . 629
M40e and M160 Router Redundant Cooling System Components . . . . . . . 630
M120 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . 632
M320 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . 633
T320 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . 635
T640 Router Redundant Cooling System Components . . . . . . . . . . . . . . . . 636
T1600 Router Redundant Cooling System Components . . . . . . . . . . . . . . . 638
TX Matrix Router Redundant Cooling System Components . . . . . . . . . . . . 640
TX Matrix Plus Router Redundant Cooling System Components . . . . . . . . . 642
Display Redundant Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . 643
Chapter 32 Monitoring Redundant SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 649
Checklist for Monitoring Redundant SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 649
Understanding Redundant SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650
Redundant SIBs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650
SIB Location and Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650
T320 Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 652
T640 Router, T1600 Router, and TX Matrix Router SIBs . . . . . . . . . . . . 652
TX Matrix Plus Router SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 653
Display Redundant SIB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 653
Display SIB Redundancy Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 653
Chapter 33 Monitoring Redundant SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 657
Checklist for Monitoring the Redundant SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . 657
Redundant SCGs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 658
Display Redundant SCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . 659
Monitor Redundant SCG Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 660
Monitor the Redundant SCG Environmental Status . . . . . . . . . . . . . . . . . . . 660
Display the Redundant SCG LED States at the Command Line . . . . . . . . . . 661
View the Redundant SCG LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 661
Display Redundant SCG Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 662
Display the SCG Master and Standby from the Craft Interface Output . . . . 662
View the SCG LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 663
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Perform a Swap Test on a Redundant SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 663
Return the SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664
Chapter 34 Monitoring Redundant Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665
Checklist for Monitoring Redundant Control Boards . . . . . . . . . . . . . . . . . . . . . . 665
Redundant Control Boards Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666
Display Redundant Control Board Hardware Information . . . . . . . . . . . . . . . . . . 669
Display Redundant Control Board Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . 670
Check the Redundant Control Board Environmental Status . . . . . . . . . . . . 670
Check the Redundant Control Board Status from the Craft Interface . . . . . . 671
Check the Redundant Control Board LED Status . . . . . . . . . . . . . . . . . . . . . . 671
Switch Control Board Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 672
Check the Control Board Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 672
Replace a Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 672
Return the Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 673
Chapter 35 Monitoring Redundant MCSs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675
Checklist for Monitoring Redundant MCSs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675
Redundant MCSs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 676
Display Redundant MCS Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . 677
Monitoring Redundant MCS Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 678
Check the Redundant MCS Environmental Status . . . . . . . . . . . . . . . . . . . . 678
Check the Redundant MCS Status from the Craft Interface . . . . . . . . . . . . . 679
Check the Redundant MCS LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 680
Switch MCS Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 680
Perform a Swap Test on a Redundant MCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681
Chapter 36 Monitoring Redundant SFMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683
Monitoring Redundant SFMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683
Redundant SFMs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685
Check M40e Router Redundant SFM Configuration . . . . . . . . . . . . . . . . . . . . . . 686
Understand M40e Router Redundant SFM Operation . . . . . . . . . . . . . . . . . . . . . 687
Understand M160 Router Redundant SFM Operation . . . . . . . . . . . . . . . . . . . . . 687
Display Redundant SFM Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . 687
Monitor Redundant SFM Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 688
Display the SFM Summary Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 688
Display the SFM LED Status at the Command Line . . . . . . . . . . . . . . . . . . . 690
Check the SFM LED Status on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . . . 691
Display the SFM Environmental Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 691
Display M40e Router Redundant SFM Mastership . . . . . . . . . . . . . . . . . . . . . . . 693
Display SFM Mastership at the Command Line . . . . . . . . . . . . . . . . . . . . . . 693
Display SFM Mastership Information from the Craft Interface . . . . . . . . . . . 694
Display Redundant SFM Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 695
Display the Current Redundant SFM Alarms . . . . . . . . . . . . . . . . . . . . . . . . . 695
Display SFM Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . 695
Display SFM Error Messages in the Chassis Daemon Log File . . . . . . . . . . . 696
Verify SFM Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697
Check the SFM Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697
Restart the SFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697
Perform an SFM Swap Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 697
xixCopyright © 2012, Juniper Networks, Inc.
Table of Contents
Control Redundant SFMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 698
Take an SFM Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 698
Bring an SFM Online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 699
Switch SFM Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 699
Replace an SFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700
Chapter 37 Monitoring Redundant PCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 703
Checklist for Monitoring Redundant PCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 703
Redundant PCGs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 704
Display Redundant PCG Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . . . 705
Monitor Redundant PCG Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 706
Monitor the Redundant PCG Environmental Status . . . . . . . . . . . . . . . . . . . 706
Display the Redundant PCG Status from the Craft Interface . . . . . . . . . . . . 707
Check the PCG LED Status on the Faceplate . . . . . . . . . . . . . . . . . . . . . . . . 708
Determine Redundant PCG Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 708
Display the PCG Master from the Craft Interface . . . . . . . . . . . . . . . . . . . . . 708
Check the PCG LEDs for Mastership on the Faceplate . . . . . . . . . . . . . . . . . 709
Display the Packet Forwarding Engine Current Clock Source . . . . . . . . . . . . 709
Display PCG Failure Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709
Replace a PCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710
Bring the Replaced PCG Online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711
Verify That the Replaced PCG Is Online . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711
Display the Replaced PCG Environmental Status . . . . . . . . . . . . . . . . . . . . . . 711
Display PCG Messages in the System Log File . . . . . . . . . . . . . . . . . . . . . . . . 712
Display PCG Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 712
Chapter 38 Monitoring Redundant SSBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715
Checklist for Monitoring Redundant SSBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715
Redundant SSBs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 717
Display Redundant SSB Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 718
Displaying Redundant SSB Hardware Information . . . . . . . . . . . . . . . . . . . . . . . . 719
Monitor Redundant SSB Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719
Display the Redundant SSB Environmental Status . . . . . . . . . . . . . . . . . . . . 720
Display the Redundant SSB Detailed Status . . . . . . . . . . . . . . . . . . . . . . . . . 720
Check the Redundant SSB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 721
Displaying Redundant SSB Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 722
Display SSB Mastership from the Command Line . . . . . . . . . . . . . . . . . . . . . 722
Check the SSB Mastership from the LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 722
Check for SSB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 723
Display the Current SSB Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 723
Display SSB Error Messages in the System Log File . . . . . . . . . . . . . . . . . . . . 723
Display SSB Error Messages in the Chassis Daemon Log File . . . . . . . . . . . . 724
Verify SSB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 724
Check the SSB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725
Perform a Swap Test on the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725
Switch SSB Mastership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 726
Replace the SSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 727
Copyright © 2012, Juniper Networks, Inc.xx
M Series and T Series Routers Monitoring and Troubleshooting Guide
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Juniper T series Monitoring And Troubleshooting Manual
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- Monitoring And Troubleshooting Manual
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