1068 | Spanning Tree Protocol
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Displaying STP Guard Configuration
To verify the STP guard configured on port or port-channel interfaces, enter the show spanning-tree 0 guard
[interface interface] command.
Figure 52-13 shows an example for an STP network (instance 0) in which:
• Root guard is enabled on a port that is in a root-inconsistent state.
• Loop guard is enabled on a port that is in a listening state.
• BPDU guard is enabled on a port that is shut down (Error Disabled state) after receiving a BPDU.
Figure 52-13. Displaying STP Guard Configuration
FTOS#show spanning-tree 0 guard
Interface
Name Instance Sts Guard type
--------- -------- --------- ----------
Gi 0/1 0 INCON(Root) Rootguard
Gi 0/2 0 LIS Loopguard
Gi 0/3 0 EDS (Shut) Bpduguard
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