JUNOS Internet Software Network Operations Guide: Hardware
Checking the Control Board Alarms
Steps To Take To check for Control Board alarms, follow these steps:
1.
Display Control Board Alarms on page 308
2.
Display Control Board Error Messages in the System Log File on page 309
3.
Display Control Board Error Messages in the Chassis Daemon Log File on page 309
Step 1: Display Control Board Alarms
For a listing of the conditions that trigger Control Board alarms, see “M320 Router
Chassis Component Alarm Conditions” on page 74, “T320 Router Chassis
Component Alarm Conditions” on page 77, and “T640 Routing Node Chassis
Component Alarm Conditions” on page 80.
Table 73 lists the Control Board alarm messages that display on the router craft interface LCD and at the CLI command line for the M320 and T320 routers and the
T640 routing node.
Table 73: Control Board Alarm Messages
Component
Control Board
LCD Short Version
CB CB-number Failure
CB CB-number Removed
CLI Long Version
RED ALARM - CB CB-number Failure
RED ALARM - CB CB-number Removed
Action To display any active Control Board alarms, use the following CLI command: user@host> show chassis alarms
Sample Output user@host> show chassis alarms
1 alarms currently active
Alarm time Class Description
2004-01-07 17:35:03 PST Major CB 1 Failure
What It Means The command output displays the current FPC alarms, including the time the alarm occurred, the severity level, and the alarm description.
Alternative Actions To check for Control Board errors, you can also look at the show chassis craft-interface CLI command output or check the LEDs on the Control Board faceplate.
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Checking the Control Board Alarms
