On Wed, 29 Jul 2020 at 10:03, Vincent Bernat <ber...@luffy.cx> wrote:
> This is the solution Cumulus is advocating to its users, so I suppose > they have some real users behind that. Juniper also supports RFC 5549 > but, from the documentation, the forwarding part is done using > lightweight tunnels. I'm not sure if you claim otherwise, but no real 'tunneling' takes place, as far as I know, it's internal implementation detail having IPV6 next-hop for IPV4. I don't think there is any additional headers or any additional lookup or cost. Cisco supports extended nexthop encoding too, so it is fairly well supported by shipping products. -- ++ytti
