IPv6 next-hops can be distributed in OSPF and BGP in mikrotik as well, but it's maybe not 100% ready for prime time. Streaming services essentially all support IPv6 so that's a big win. As is gaming services. Maybe general web browsing and other odd apps have some teething to do still but I think we're pretty much ready for dual stack right now. On Wed, Oct 26, 2022 at 2:52 PM Toke Høiland-Jørgensen wrote: > Robert Chacón via LibreQoS writes: > > > I'd prefer simple routing, but with IPv4 exhaustion - that would lead to > a > > lot of unused RFC6598 addresses (and hence high CG-NAT ratios). > > Note that it's possible to route IPv4 traffic over an IPv6-only backhaul > (at least with Linux gear): > > # ip r add 10.0.0.1 via inet6 fe80::1 dev wg0 > # ip r | grep 10.0.0.1 > 10.0.0.1 via inet6 fe80::1 dev wg0 > > There's an (expired, unfortunately; we should fix that) IETF draft > describing the general mechanism: > https://www.ietf.org/archive/id/draft-chroboczek-int-v4-via-v6-01.html > > And an extension for the Babel routing protocol to implement this (so > you can route v4 traffic through a whole network without assigning > anything other than v6 link-local addresses to the intermediate nodes): > > https://datatracker.ietf.org/doc/html/rfc9229 > > -Toke >