[dhcwg] Re: dhcpv4-over-dhcpv6-ra: source addrs / server I D

> On Jul 25, 2024, at 12:53 PM, David 'equinox' Lamparter <[email protected]> wrote:
> > Now the L2 switch translates incoming IPv6 4o6 replies into IPv4 for the
> > legacy client.  The 4o6 packet has no IPv4 source address;  the L2
> > switch needs to come up with one.  Is that going to be 0.0.0.0?

On Thu, Jul 25, 2024 at 06:14:51PM -0400, Bernie Volz wrote:
> Yeah, but if clients are using ipv4 for communication, something will
> need an address to route the packets? Otherwise, why bother with v4?

The router needs v4 for the legacy client's nexthop, yes.  But the draft
describes doing the translation on L2RAs, which generally never had IPv4
addresses to begin with (nor a need for any).


-equi

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