300-615 · Question #255
Refer to the exhibit. An engineer troubleshoots an issue involving where some Cisco MDS 9000 Series Switches fail to be discovered by other MDS switches in the VSAN. The engineer receives the error…
The correct answer is B. Assign a new domain ID to the isolated switch. The error PORT-7-IF_DOWN_DOMAIN_OVERLAP_ISOLATION indicates that there is a domain ID conflict in the Fibre Channel fabric. In Cisco MDS switches, each switch in a VSAN must have a unique domain ID. If two switches share the same domain ID, they will be isolated from the fabric…
Question
Refer to the exhibit. An engineer troubleshoots an issue involving where some Cisco MDS 9000 Series Switches fail to be discovered by other MDS switches in the VSAN. The engineer receives the error message shown. Which action resolves the issue? Error Message PORT-7-IF_DOWN_DOMAIN_OVERLAP_ISOLATION: Interface [chars] is down
Options
- AAssign a new alias to port 7 and reset the port world wide name
- BAssign a new domain ID to the isolated switch.
- CRestart the domain manager and reset port 7.
- DMove port 7 to VSAN 1 to remove the port from isolation.
How the community answered
(34 responses)- A6% (2)
- B82% (28)
- C3% (1)
- D9% (3)
Explanation
The error PORT-7-IF_DOWN_DOMAIN_OVERLAP_ISOLATION indicates that there is a domain ID conflict in the Fibre Channel fabric. In Cisco MDS switches, each switch in a VSAN must have a unique domain ID. If two switches share the same domain ID, they will be isolated from the fabric to prevent issues. The solution is to assign a new domain ID to the isolated switch, which will resolve the overlap and allow the switch to join the fabric without conflict.
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