An engineer reconfigures the port-channel between SW1 and SW2 from an access port to a trunk and immediately notices this error in SW1’s log: *Mar 1 09:47:22.245: %PM-4-ERR_DISABLE: bpduguard error detected on Gi0/0, putting Gi0/0 in err-disable state Which command set resolves this error?

By | November 27, 2022

Refer to the exhibit. An engineer reconfigures the port-channel between SW1 and SW2 from an access port to a trunk and immediately notices this error in SW1’s log: *Mar 1 09:47:22.245: %PM-4-ERR_DISABLE: bpduguard error detected on Gi0/0, putting Gi0/0 in err-disable state Which command set resolves this error?

  • A. SW1(config-if)#interface G0/0
    SW1(config-if)#no spanning-tree bpdufilter
    SW1(config-if)#shut
    SW1(config-if)#no shut
  • B. SW1(config-if)#interface G0/0
    SW1(config-if)#no spanning-tree bpduguard enable
    SW1(config-if)#shut
    SW1(config-if)#no shut
  • C. SW1(config-if)#interface G0/0
    SW1(config-if)#spanning-tree bpduguard enable
    SW1(config-if)#shut
    SW1(config-if)#no shut
  • D. SW1(config-if)#interface G0/1
    SW1(config-if)#spanning-tree bpduguard enable
    SW1(config-if)#shut
    SW1(config-if)#no shut
Answer: Option B.
Explanation: 

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