Check The Control Board Leds; Display Control Board Error Messages In The System Log File; Display Control Board Error Messages In The Chassis Daemon Log File - Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual

Step 2: Check the Control Board LEDs
To check the Control Board LEDs, look at the three LEDs located on the Control
Action
Board faceplate. Figure 124 on page 303, Figure 125 on page 304, and Figure 129
on page 314 show the Control Board faceplates. Table 74 describes the functions of
the Control Board LEDs.
NOTE:
Table 74: Control Board LEDs
Step 3: Display Control Board Error Messages in the System Log File
To check for Control Board error messages in the system log messages file, use the
Action
following CLI command:
Check for messages at least 5 minutes before and after a Control Board alarm
occurs.
Sample Output user@host> show log messages | match cb
May 18 16:04:06
offline: Offlined
The messages system log file records the time the failure or event occurred, the
What It Means
severity level, a code, and a message description. You can also use the show log
messages | match cb
Control Board fails or is offline. Use this information to diagnose a Control Board
problem and to let the Juniper Networks Technical Assistance Center (JTAC) know
what error messages were generated and the router events that occurred before and
after the problem. For more information about system log messages, see the JUNOS
System Log Messages Reference.
Step 4: Display Control Board Error Messages in the Chassis Daemon Log File
To display Control Board error messages in the chassisd log file, use the following
Action
CLI command:
Sample Output
user@host> show log chassisd | match cb
May 18 16:04:06 CHASSISD_FRU_OFFLINE_NOTICE: Taking CB 1 offline: Offlined
The online/offline button on the Control Board is currently nonfunctional.
Label Color
OK Green
FAIL Amber
MASTER Blue
user@host> show log messages | match cb
routerhost chassisd[4836]: CHASSISD_FRU_OFFLINE_NOTICE: CB 1
command to see error messages that are generated when a
user@host> show log chassisd | match cb
Chapter 22: Monitoring the Control Board
State Description
On steadily Control Board is online and functioning
normally.
On steadily Control Board has failed.
On steadily Control Board is functioning as master.
Checking the Control Board Alarms
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309