After a Cisco Nexus 7000 Series Switch chassis replacement, the administrator discovers that all vPC-enabled LACP port channels are reinitialized. The administrator wants to prevent this issue the next time the chassis is replaced. Which two actions must be taken to meet this requirement before the isolated device is reloaded? (Choose two.)

A. Change the vPC system-priority of the replacement chassis to a higher value than the peer

B. Set the vPC MAC address to a higher value than the peer

C. Configure auto-recovery to the disable state on both peers

D. Set the vPC MAC address to a lower value than the peer

E. Change the vPC system-priority of the replacement chassis to a lower value than the peer






 

Suggested Answer: BC

1) The system with the lower MAC address wins as master and this election is not governed by the vPC role priority
2) Before you introduce an already isolated vPC device back into production, check the LACP roles on both boxes. If the same role, disable auto recovery with no auto-recovery under the vPC domain on both peers and reload the isolated device. After reload, the isolated device comes up with the LACP role 'none established' and can be introduced into the vPC without LACP role re-election.
Reference:
https://www.cisco.com/c/en/us/support/docs/interfaces-modules/nexus-7000-series-supervisor-1-module/119033-technote-nexus-00.html

This question is in 350-601 DCCOR exam 
For getting CCNP Data Center Certificate


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