Juniper JUNOS - NETWORK OPERATION GUIDE REV1 User Manual

JUNOS Internet Software Network Operations Guide: Hardware
610 ! Monitoring Redundant SSB Status
Step 2: Display the Redundant SSB Detailed Status
Action To display more detailed SSB status information, use the following CLI 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
What It Means 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.
Alternative Action To display the status for a particular SSB, use the following CLI command:
user@host> show chassis ssb slot
Step 3: Check the Redundant SSB LEDs
Periodically check the SSB LEDs to verify that the SSB is online or offline and the
type of task it is performing.
Action To check the SSB LEDs, look on the faceplate at the front of the router (see
Figure 232).
Figure 232: SSB LEDs
1142
SSB
MASTERONLINEOFFLINE
STATUS
SSB LEDs SSB offline switchSSB status LEDsDebug port

Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Specifications

General

Brand	Juniper
Model	JUNOS - NETWORK OPERATION GUIDE REV1
Category	Software
Language	English