I have used rfc5549 extensively in production, but not with bird. Is that the same setup you're talking about here?
On Tue, Apr 23, 2024, 09:31 Jay Hanke via Bird-users <bird-users@network.cz> wrote: > > >> I haven't, but I cannot begin to fathom how that could possibly work. >> > > https://www.ietf.org/archive/id/draft-chroboczek-int-v4-via-v6-01.html > > >> How can the receiving router possibly resolve an IPv4 next-hop address >> to an destination Ethernet MAC address, if the interface facing the IX >> does not have any IPv4 addresses assigned? >> > > A router only needs to know the l2 address to forward a frame. So there > would be no ipv4 address on the transitory network just an ipv6 that > resolves to a Mac address. > > Kind of like ipv4 unnumbered but with ipv6 addresses on the segment. > Multiprotocol bgp would be used for the next hops. > >> >>
