Spanning-Tree Bpdufilter - Cisco ME 3800X Command Reference Manual

spanning-tree bpdufilter

spanning-tree bpdufilter
To prevent an interface from sending or receiving bridge protocol data units (BPDUs), use the
spanning-tree bpdufilter command in interface configuration mode. To return to the default setting, use
the no form of this command.
Syntax Description
disable
enable
Defaults BPDU filtering is disabled.
Command Modes Interface configuration
Command History Release
12.2(52)EY
Usage Guidelines You can enable the BPDU filtering feature when the switch is operating in the per-VLAN spanning-tree
plus (PVST+), rapid-PVST+, or the multiple spanning-tree (MST) mode.
Enabling BPDU filtering on an STP port is the same as disabling spanning tree on it and can result in
Caution
spanning-tree loops.
You can globally enable BPDU filtering on all Port Fast-enabled STP ports by using the spanning-tree
portfast bpdufilter default global configuration command.
You can use the spanning-tree bpdufilter interface configuration command on an STP port to override
the setting of the spanning-tree portfast bpdufilter default global configuration command.
You can verify your setting by entering the show running-config privileged EXEC command.
Examples
This example shows how to enable the BPDU filtering feature on a port:
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# spanning-tree bpdufilter enable
Cisco ME 3800X and ME 3600X Switch Command Reference
-14
spanning-tree bpdufilter {disable | enable}
no spanning-tree bpdufilter
Disables BPDU filtering on the specified STP port.
Enables BPDU filtering on the specified STP port.
Modification
This command was introduced.
Chapter
OL-28238-01