# Cisco VRRPv3 IPv6 Configuration Requirements

DevFeed: [Cisco VRRPv3 IPv6 Configuration Requirements](<https://devfeed.tech/articles/cisco-vrrpv3-ipv6-configuration-sucks-11116.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2025/01/cisco-vrrp3-ipv6-configuration/>)

Published: 2025-01-27T07:20:00Z

Content type: opinion

Language: en

Sources: [ipSpace.net blog](<https://devfeed.tech/sources/ipspace-net-blog.md>)

Topics: [Cisco](<https://devfeed.tech/topics/cisco.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>)

Tags: [cisco](<https://devfeed.tech/tags/cisco.md>), [cli](<https://devfeed.tech/tags/cli.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [ip-routing](<https://devfeed.tech/tags/ip-routing.md>), [ipv6](<https://devfeed.tech/tags/ipv6.md>), [netlab](<https://devfeed.tech/tags/netlab.md>)

## AI overview

The article examines Cisco IOS and Nexus OS requirements for configuring VRRPv3 with IPv6. It explains that a link-local address must be configured manually as the primary VRRP address and discusses interoperability considerations for using a MAC-derived link-local address.

## Source excerpt

I spent way too much time ironing out the VRRPv3 quirks on the dozen (or so) platforms supported by netlab. This is the second blog post describing some of the ridiculous stuff I had to deal with. This is how you configure the basic VRRPv3 parameters for IPv4 on a Cisco IOS/XE device: VRRPv3 IPv4 configuration on Cisco IOS interface GigabitEthernet0/1 vrrp 217 address-family ipv4 address 172.16.33.42 You would expect something similar for IPv6, right? You'd be right if you were working with Arista EOS: Read more ...