Feature History

The following table lists the new and modified features supported in the First Hop Redundancy Protocols Configuration Guide in Cisco IOS XE 17 releases.

Feature Description

First Hop Redundancy Protocols

Support for BFD, sub-second fast hello for VRRPv3 convergence and re-convergence

This feature supports VRRP failover such that the fault is detected by the VRRP-BFD client within the configured value – when the connection to the remote interface IP address fails.