SG0-001 · Question #278
A two fabric merge has failed, leaving you with segmented fabrics. Investigation of the switch domain IDs shows that there is an ID conflict between two of the switches. What is the corrective action?
The correct answer is D. take one of the switches offline (disabled), change the domain ID, and bring the switch back. When a fabric merge fails due to a domain ID conflict, the corrective action is to isolate one of the conflicting switches, change its domain ID, and then reintroduce it to the fabric.
Question
A two fabric merge has failed, leaving you with segmented fabrics. Investigation of the switch domain IDs shows that there is an ID conflict between two of the switches. What is the corrective action?
Options
- Ano action is necessary, the ID conflict will be resolved by negotiation
- Butilize the name server editor to change the domain ID within the fabric
- Cchange the domain ID on the switch that needs to be changed and allow negotiation to
- Dtake one of the switches offline (disabled), change the domain ID, and bring the switch back
How the community answered
(28 responses)- A4% (1)
- B14% (4)
- C4% (1)
- D79% (22)
Why each option
When a fabric merge fails due to a domain ID conflict, the corrective action is to isolate one of the conflicting switches, change its domain ID, and then reintroduce it to the fabric.
Domain ID conflicts will prevent fabric merges and require manual intervention, as they are not resolved by negotiation.
The name server editor is used to view device information, not to change fundamental switch configuration like domain IDs.
Changing the domain ID on an active switch without isolation can cause fabric instability or further issues during a merge attempt.
Fibre Channel fabrics require each switch to have a unique domain ID. To resolve a conflict, one conflicting switch must be taken offline or isolated, its domain ID changed to a unique value, and then it can be brought back online to merge with the fabric.
Concept tested: Fibre Channel fabric merge and domain ID conflict resolution
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guides/fabric/nx_os/fabric_config/cfgfabric.html
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