Which desing tecnology allows two cisco catalyst chassis to use SSO and NSF to provide nonstop communication even if one of the menber chasis fails?

Which desing tecnology allows two cisco catalyst chassis to use SSO and NSF to provide nonstop communication even if one of the menber chasis fails?
A . Auto chassis detect
B . VSS
C . VPc
D . Peer Gateway

View Answer

Answer: B

Explanation:

A VSS operates with stateful switchover (SSO) redundancy if it meets the following requirements:

– Both supervisor engines must be running the same software version.

– VSL-related configuration in the two chassis must match.

– PFC mode must match.

– SSO and nonstop forwarding (NSF) must be configured on each chassis.