Table 158: SSB LED States (continued)
DescriptionStateColorLabel
I/O interrupts are occurring.FlashingGreenSTATUS (right)
Related
Documentation
Checklist for Monitoring Redundant SSBs on page 715•
Displaying Redundant SSB Mastership
To display the SSB mastership information:
1.
Display SSB Mastership from the Command Line on page 722
2.
Check the SSB Mastership from the LEDs on page 722
Display SSB Mastership from the Command Line
Purpose To determine SSB mastership from the command line.
Action To display more detailed SSB status information, use the following command:
user@host> show chassis ssb
Sample Output
user@host> show chassis ssb
SSB status:
Failover: 0 time
Slot 0:
State: Master
Temperature: 33 Centigrade
CPU utilization: 0 percent
Interrupt utilization: 0 percent
Heap utilization: 0 percent
Buffer utilization: 6 percent
DRAM: 64 Mbytes
Start time: 1999-01-15 22:05:36 UTC
Uptime: 21 hours, 21 minutes, 22 seconds
Slot 1:
State: Backup
Meaning The command output displays the number of times the mastership has changed, the
SSB slot number 0 or 1, and the current state of the SSB: Master, Backup, or Empty. The
command output displays the temperature of the air passing by the SSB, in degrees
Centigrade. It also displays the total percentage of CPU, interrupt, heap space, and buffer
space being used by the SSB processor, including the total DRAM available to the SSB
processor. The command output displays the time when the SSB started running and
how long it has been running.
Check the SSB Mastership from the LEDs
Purpose To verify the SSB mastership from the LEDs on the faceplate.
Copyright © 2012, Juniper Networks, Inc.722
M Series and T Series Routers Monitoring and Troubleshooting Guide
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