[LibreQoS] how are you doing on ipv4 address supply?

[dan]

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 <toke at toke.dk> wrote:

> Robert Chacón via LibreQoS <libreqos at lists.bufferbloat.net> 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
>
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