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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show switch
• Initializing—A switch has determined whether its stack master status. If it is not the stack master,
it is receiving its system- and interface-level configuration from the stack master and loading it.
• Ready—The member has completed loading the system- and interface-level configurations and can
forward traffic.
• Master Re-Init—The state immediately after a master re-election and a different member is elected
master. The new master is re-initializing its configuration. This state applies only to the new master.
• Ver Mismatch—A switch in version mismatch mode. Version-mismatch mode is when a switch
joining the stack has a different stack protocol minor version number than the master.
• SDM Mismatch—A switch in Switch Database Management (SDM) mismatch mode. SDM
mismatch is when a member does not support the SDM template running on the master.
• Provisioned—The state of a preconfigured switch before it becomes an active member of a stack, or
the state of a member after it has left the stack. The MAC address and the priority number in the
display are always 0 for the provisioned switch.
A typical state transition for a member (including a master) booting up is Waiting -> Initializing ->
Ready.
A typical state transition for a member becoming a master after a master election is Ready -> Master
Re-Init -> Ready.
A typical state transition for a member in version mismatch mode is Waiting -> Ver Mismatch.
You can use the show switch command to identify whether the provisioned switch exists in the stack.
The show running-config and the show startup-config privileged EXEC commands do not provide this
information.
The display also includes stack MAC-persistency wait-time if persistent MAC address is enabled.
Examples This example shows summary stack information:
Switch> show switch
Current
Switch# Role Mac Address Priority State
--------------------------------------------------------
6 Member 0003.e31a.1e00 1 Ready
*8 Master 0003.e31a.1200 1 Ready
2 Member 0000.000.0000 0 Provisioned
This example shows detailed stack information:
Switch> show switch detail
Switch/Stack Mac Address : 0013.c4db.7e00
Mac persistency wait time: 4 mins
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 0013.c4db.7e00 1 0 Ready
2 Member 0000.000.0000 0 0 Provisioned
6 Member 0003.e31a.1e00 1 0 Ready
Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Down 6 None
6 Down Ok None 1
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