[RFC] Automatic MP peering with IPv6 link local peers

[Douglas Fischer]

This thread reminded me of something I saw these days about using BGP
unnumbered in Hypervisors for EVPN/VXLAN.

I confess that I was completely stunned to see how beautiful it was!

- The 4 ports of each Server became a CLOS L3 topology.
- The complexities of Multichassis-LAG no longer exist.
- The establishment of neighborhoods was almost automatic.
- And the ToR switches became only simple L3 routers, without even knowing
of the existence of Overlay. Which made them much cheaper and simpler to
operate.

Em qui., 14 de jul. de 2022 às 12:40, Marco d'Itri <md at linux.it> escreveu:

> On Jul 14, Ondrej Zajicek <santiago at crfreenet.org> wrote:
>
> > > RFC 8950 is what has been implemented in Cumulus.
> > Not sure how that is relevant, RFC 8950 is just IPv6 next hop for IPv4
> > routes, it does not handle BGP neighbor discovery.
> Discovery is just looking at Router Advertisements for the link, then
> you need RFC 8950.
>
>
> https://www.theasciiconstruct.com/post/cumulus-basics-part-v-bgp-unnumbered/
>
> https://www.theasciiconstruct.com/post/junos-bgp-and-bgp-unnumbered/#bgp-unnumbered-bgp-auto-discovered-neighbors
>
> --
> ciao,
> Marco
>


-- 
Douglas Fernando Fischer
Engº de Controle e Automação
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