Re: [PATCH v2 3/9] conf: Refactor conf_print() for multi-address support

27 Jan 2026


      On Tue, 27 Jan 2026 20:07:34 +1100
David Gibson  wrote:
...
On Wed, Jan 21, 2026 at 02:02:09PM +0100, Stefano Brivio wrote:
...
On Sun, 18 Jan 2026 17:16:06 -0500
Jon Maloy  wrote:  
[snip]
...
@@ -1230,30 +1238,34 @@ static void conf_print(const struct ctx *c)
  }
if (c->ifi6) {
+		bool do_slaac = !c->no_ndp || !c->no_dhcpv6;
We can enable DHCPv6 and disable SLAAC though. The "SL" in SLAAC stands
for "stateless", DHCPv6 is stateful. We can enable both, one, or none.
Hm.. I thought DHCPv6 was designed to require SLAAC (although in a
kind of minimal mode).
Not really, from RFC 8415, Abstract:

   DHCPv6 can operate either in place of or in addition to
   stateless address autoconfiguration (SLAAC).

...and it works also in practice. That is, guests will work just fine
with --no-ra (but not --no-ndp, which is something else altogether).

-- 
Stefano

    