What is a prerequisite for configuring BFD?

What is a prerequisite for configuring BFD?
A . Jumbo frame support must be configured on the router that is using BFD.
B . All routers in the path between two BFD endpoints must have BFD enabled.
C . Cisco Express Forwarding must be enabled on all participating BFD endpoints.
D . To use BFD with BGP, the timers 3 9 command must first be configured in the BGP routing process.

View Answer

Answer: C

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fs_bfd.html#wp1043332