Spantree Messages; Spantree-2 - Cisco Catalyst 4500 Series Message Manual

SPANTREE Messages

SPANTREE Messages
This section contains the Spanning Tree Protocol (SPANTREE) messages.

SPANTREE-2

Error Message SPANTREE-2-PVSTSIM_OK: PVST Simulation inconsistency cleared on port
[char].
Error Message
Error Message SPANTREE-2-BLOCK_BPDUGUARD:Received BPDU on port [char] with BPDU
Guard enabled. Disabling port.
Error Message SPANTREE-2-BLOCK_PVID_LOCAL: Blocking [char] on [char]. Inconsistent
local vlan.
Catalyst 4500 Series Switch Cisco IOS System Message Guide Release 12.2(31)SGA
2-90
Explanation The listed interface is no longer receiving PVST BPDUs advertising information
inconsistent with the CIST port information. The PVST simulation inconsistency is cleared and the
interface returns to normal operation.
This is an informational message only. No action is required.
Recommended Action
A BPDU was received in the specified interface that has the spanning tree BPDU guard
Explanation
feature enabled. As a result, the interface was administratively shut down.
Recommended Action Remove the device sending BPDUs, or disable the BPDU guard feature. BPDU
guard can be locally configured on the interface or globally configured on all ports that have
PortFast enabled. After you resolve the conflict, reenable the interface by entering the no shutdown
command in interface configuration mode.
The spanning tree port that is associated with the listed spanning tree instance [char]
Explanation
and interface [char] is held in spanning tree blocking state until the port VLAN ID (PVID)
inconsistency is resolved. The listed spanning tree instance is that of the native VLAN ID of the
listed interface.
Verify that the configuration of the native VLAN ID is consistent on the
Recommended Action
interfaces at each end of the 802.1Q trunk connection. When the configuration is consistent,
spanning tree automatically unblocks the interfaces.
Chapter 2 Messages and Recovery Procedures
OL-11541-01