Check Core Files If The Routing Engine Reboots; List The Core Files Generated After A Crash Occurs; Display The Messages Log File After A Crash Occurs - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
Related
Documentation

Check Core Files If the Routing Engine Reboots

List the Core Files Generated After a Crash Occurs

Purpose
Action
Meaning
Related
Documentation

Display the Messages Log File After a Crash Occurs

Purpose
Action
196
NOTE: The M7i and M10i routers by default come with no CompactFlash
card.
Routing Engine Overview on page 168
1. List the Core Files Generated After a Crash Occurs on page 196
Display the Messages Log File After a Crash Occurs on page 196
2.
Display the Log File When Kernel Crash Core File Is not Generated on page 197
3.
A vmcore file is only generated if the Routing Engine has a kernel crash. Kernel crashes
can be generated by such things as a bug in the kernel software or bad memory. If the
router has a kernel crash, the
back up.
A vmcore file is always saved in
a crash occurs, use the following command:
user@host> file list /var/crash/ detail
user@host> file list /var/crash/ detail
/var/crash/:
total 892856
-rw-r--r-- 1 root wheel
-rw-r--r-- 1 root wheel
-rw-r--r-- 1 root wheel
-rw-r--r-- 1 root wheel
-rw------- 1 root wheel
-rw------- 1 root wheel
The command output lists the
Checklist for Monitoring the Routing Engine on page 165
To gather error messages from the Messages log file after a crash occurs.
You might see the following in the
up after a kernel crash occurred. To view the
command:
user@host> show log messages
file is generated while the Routing Engine comes
vmcore.<n>
/var/crash/ . To view the core file that is generated when
2 May 14 2004 bounds
11959693 Oct 13 2003 kernel.0
10114127 May 14 2004 kernel.1
5 Feb 26 1997 minfree
805240832 Oct 13 2003 vmcore.0
805240832 May 14 2004 vmcore.1
vmcore.<n> files that have been generated.
/var/log/messages file after the router comes back
messages
log file, use the following
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