N10-009 · Question #427
SIMULATION A network administrator receives a ticket stating there is a connectivity issue between the server and the storage devices. The administrator needs to identify any issues and implement…
The problem states an err-disabled interface was found on Access Switch 1, and the solution provided is to disable BPDU Guard.
Question
SIMULATION A network administrator receives a ticket stating there is a connectivity issue between the server and the storage devices. The administrator needs to identify any issues and implement the appropriate solutions. INSTRUCTIONS Click on each access and core switch. Enter commands into the terminal to identify any problems and select the appropriate resolutions. Type help in each terminal to view a list of available commands. If at any time you would like to bring back the initial state of the simulation, please click the Reset All button. Answer:
Access Switch 1 Commands entered:
show interface GigabitEthernet0/2 status show interface GigabitEthernet0/2 show interface GigabitEthernet0/2 switchport Problem discovered: Err-disabled interface Solution: Disable BPDU Guard Core Switch 1 Commands entered:
show interface GigabitEthernet0/1 status show interface GigabitEthernet0/2 status Problem discovered: No problem found Solution: None required Access Switch 2 Commands entered:
show interface GigabitEthernet0/4 status show interface GigabitEthernet0/4 show interface GigabitEthernet0/4 switchport Problem: Giants and input errors Solution: Enable jumbo frames
Exhibits
Explanation
The problem states an err-disabled interface was found on Access Switch 1, and the solution provided is to disable BPDU Guard.
Concept tested. BPDU Guard and Err-disabled state troubleshooting
Reference. https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10570-41.html
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