JUNOS Internet Software Network Operations Guide: Hardware
592 ! Controlling Redundant SFMs
Step 1: Take an SFM Offline
Action To take an SFM offline, use the following CLI command:
user@host> request chassis sfm slot slot-number offline
Sample Output
user@host> request chassis sfm slot 0 offline
Offline initiated, use "show chassis sfm" to verify
For M40e routers:
user@host> show chassis sfm
Temp CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Offline --- Offlined by cli command ---
1 Online - Standby 41 4 0 64 16 46
For M160 routers:
user@host> show chassis sfm
Temp CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Online 41 3 0 64 17 46
1 Online 44 4 0 64 17 46
2 Online 44 4 0 64 17 46
3 Offline --- Offlined by cli command ---
Packet scheduling mode: Disabled
What It Means The sample output confirms that the SFM offline command has been initiated and
specifies to use the
show chassis sfm CLI command to verify that the SFM is offline.
The command output for both the M40e and M160 routers shows that the SFM is
offline and that this state was generated by running the CLI command.
Step 2: Bring an SFM Online
Action To bring an SFM online, use the following CLI command:
user@host> request chassis sfm slot slot-number online
Sample Output
user@host> request chassis sfm slot 0 online
Online initiated, use "show chassis sfm" to verify
For M40e routers:
user@host> show chassis sfm
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Present 0 0 0 0 0 0
1 Online - Standby 41 4 0 64 16 46
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