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Babel routing protocol support
Closed, ResolvedPublicFEATURE REQUEST


Babel (RFC 8966) is a modern routing protocol designed to be robust and efficient both in ordinary wired networks and in wireless mesh networks. By default, it uses hop-count on wired networks and a variant of ETX on wireless links, It can be configured to take radio diversity into account and to automatically compute a link's latency and include it in the metric.

It's a dual stack protocol, so a single Babel instance is able to perform routing for both IPv4 and IPv6. And it is very simple to configure like RIP.

Sample configuration on FRR:

router babel
 network wlan0
 network eth0
 redistribute ipv4 connected
 redistribute ipv6 connected

! The defaults are fine for a wireless interface
!interface wlan0

interface eth0
 babel wired
 babel hello-interval 12000
 babel update-interval 36000

I have a basic implementation in vyos-1x and already tested it with a small deployment. However Babel in FRR 8.4 requires a few PRs from master branch to work with

It would be really nice if VyOS can support Babel in the future 1.4 release.


Difficulty level
Unknown (require assessment)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Perfectly compatible
Issue type
Feature (new functionality)

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