RPVST+ event log messages

Event

Log message

STP enabled/disabled on a VLAN

Spanning tree Protocol enabled/disabled on vlan vlan-id

Switch does not receive BPDUs from peer on a particular VLAN and port

VLAN vlan-id starved for a BPDU on port port number from bridge name

Switch received BPDU with inconsistent VLAN

Blocking port-name on vlan vlan-id.

Inconsistency is restored

Unblocking port-name on vlan vlan-id Port consistency restored.

Root port is changed on a VLAN

VLAN vlan-idroot changed from bridgepriorty:mac to bridge priority:mac

Switch received a BPDU with invalid TLV

Received SSTP BPDU with bad TLV on port-number vlan-id

The number of vlan-port instances exceeds the recommended limit

The number of vlan-port instances exceeded the recommended limit of num

RADIUS subsystem tries to dynamically change port VLAN assignments when mode is RPVST

RADIUS unable to assign port to VLAN vlan-id because spanning-tree is running in RPVST+ mode

LLDP subsystem tries to dynamically change port VLAN assignments when mode is RPVST

LLDP unable to assign port port-number to VLAN vlan-id because spanning-tree is running in RPVST+ mode

VPORT counts exceed 200

The number of vPorts on slot slot-number exceeds the recommended limit of vport-count. PVST BPDUs may be dropped.