First Hop Redundancy Protocols Configuration Guide, Cisco IOS XE Release 3S
HSRP for IPv6
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HSRP for IPv6

Contents

HSRP for IPv6

IPv6 routing protocols ensure device-to-device resilience and failover. However, in situations in which the path between a host and the first-hop device fails, or the first-hop device itself fails, first hop redundancy protocols (FHRPs) ensure host-to-device resilience and failover.

The Hot Standby Router Protocol (HSRP) protects data traffic in case of a gateway failure.