debug 802.1w transitions
Debugs the RSTP state machine transitions.
Parameters
Modes
Privileged EXEC mode
Examples
If the 802.1w transtitions are enabled, output similar to the following is displayed.
device# debug 802.1w transitions vlan 2 RSTP Enabling Events Debugging for VLAN 2 device# RSTP: PRT =>no valid transition found ,no error, port 1/1/1(0) VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/2(1) VLAN 2 RSTP: PTX =>ROLE is ALTERNATE or BACKUP , port 1/1/2(1), VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/9(8) VLAN 2 RSTP: PRT =>no valid transition found ,no error, port 1/1/1(0) VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/2(1) VLAN 2 RSTP: PTX =>ROLE is ALTERNATE or BACKUP , port 1/1/2(1), VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/9(8) VLAN 2 RSTP: PRT =>no valid transition found ,no error, port 1/1/1(0) VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/2(1) VLAN 2 RSTP: PTX =>ROLE is ALTERNATE or BACKUP , port 1/1/2(1), VLAN 2 RSTP: PTX entering the Periodic state , port 1/1/9(8) VLAN 2