Juniper M Series Monitoring And Troubleshooting Manual page 6

M Series and T Series Routers Monitoring and Troubleshooting Guide
Chapter 7
vi
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
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
Copyright © 2012, Juniper Networks, Inc.