Maintaining the MX2020 Switch Processor Mezzanine Board (SPMB)
Purpose
For optimum router performance, verify the switch processor mezzanine board status (SPMB).
Action
On a regular basis:
Issue the
show chassis spmb
command to display the status information. The output is similar to the following:
user@host> show chassis spmb Slot 0 information: State Online Total CPU Utilization 98% Interrupt CPU Utilization 0% Memory Heap Utilization 1% Buffer Utilization 44% Start time: 2012-12-03 11:47:23 PST Uptime: 2 hours, 16 minutes, 39 seconds Slot 1 information: State Online - Standby Total CPU Utilization 0% Interrupt CPU Utilization 0% Memory Heap Utilization 0% Buffer Utilization 22% Start time: 2012-12-03 11:47:19 PST Uptime: 2 hours, 16 minutes, 43 seconds {master}
For further description of the output from the commands, see the Junos OS System Basics and Services Command Reference.