This article provides information on how to clear the Routing-Engine related chassis alarm.
At times, the following alarm is generated and it cannot be cleared via any CLI command:
MX480-d-re1> show chassis alarms 1 alarms currently active Alarm time Class Description 2012-12-17 13:03:51 CST Minor Backup RE Active
When you see this alarm, it means that the status of the routing-engine is different with the configuration. you will find that RE0 is set as the master and RE1 is set as the backup. It is different with the current state:
MX480-d-re1> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state Backup
Election priority Master (default)
Temperature 31 degrees C / 87 degrees F
CPU temperature 29 degrees C / 84 degrees F
DRAM 17152 MB
Memory utilization 12 percent
CPU utilization:
User 0 percent
Background 0 percent
Kernel 0 percent
Interrupt 0 percent
Idle 99 percent
Model RE-S-1800x4
Serial ID 9009105251
Start time 2012-12-17 08:56:54 CST
Uptime 4 hours, 34 minutes, 18 seconds
Last reboot reason Router rebooted after a normal shutdown.
Routing Engine status:
Slot 1:
Current state Master
Election priority Backup (default)
Temperature 32 degrees C / 89 degrees F
CPU temperature 30 degrees C / 86 degrees F
DRAM 17152 MB
Memory utilization 12 percent
CPU utilization:
User 0 percent
Background 0 percent
Kernel 3 percent
Interrupt 0 percent
Idle 96 percent
Model RE-S-1800x4
Serial ID 9009105245
Start time 2012-12-17 12:55:50 CST
Uptime 35 minutes, 32 seconds
Last reboot reason Router rebooted after a normal shutdown.
Load averages: 1 minute 5 minute 15 minute
0.06 0.02 0.00
Junos does not like JunosE. The master RE is not chosen via co-adaptation; it is based on the configuration.
chassis {
redundancy {
routing-engine 1 master;
graceful-switchover;
}
}
You can change the master RE; if u do not prefer this change, you can return to the previous state:
You can change the master RE; if u do not prefer this change, you can return to the previous state: MX480-d-re1#show chassis routing-engine Routing Engine status: Slot 0: Current state Backup Election priority Backup (default) Temperature 31 degrees C / 87 degrees F CPU temperature 29 degrees C / 84 degrees F DRAM 17152 MB Memory utilization 12 percent CPU utilization: User 2 percent Background 0 percent Kernel 1 percent Interrupt 0 percent Idle 96 percent Model RE-S-1800x4 Serial ID 9009105251 Start time 2012-12-17 08:56:54 CST Uptime 4 hours, 35 minutes, 58 seconds Last reboot reason Router rebooted after a normal shutdown. Routing Engine status: Slot 1: Current state Master Election priority Master Temperature 32 degrees C / 89 degrees F CPU temperature 30 degrees C / 86 degrees F DRAM 17152 MB Memory utilization 12 percent CPU utilization: User 3 percent Background 0 percent Kernel 5 percent Interrupt 1 percent Idle 91 percent Model RE-S-1800x4 Serial ID 9009105245 Start time 2012-12-17 12:55:50 CST Uptime 37 minutes, 17 seconds Last reboot reason Router rebooted after a normal shutdown. Load averages: 1 minute 5 minute 15 minute 0.01 0.01 0.00 MX480-d-re1#show chassis alarms No alarms currently active