JUNOS Internet Software Network Operations Guide: Hardware
308 ! Checking the Control Board Alarms
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
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.
Component LCD Short Version CLI Long Version
Control Board CB CB-number Failure RED ALARM - CB CB-number Failure
CB CB-number Removed RED ALARM - CB CB-number Removed
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