[Dnsmasq-discuss] Router Advertisement ignores --(except-)interface option ?

[Julien Muchembled]

Hello,

I'd like to use dnsmasq for IPv6 SLAAC, but unfortunately, it seems this feature ignores --(except-)interface option, and for me it's a bug.

I am setting a router that must provides DHCPv4 and RA on its first interface (eth0), and only on this interface.
The second interface (eth1) is connected an ISP box, to which other hosts (like my laptop) are also directly connected.
When I tested version 2.63, I was surprised to see that my laptop got IPv6 from the router, which I don't want.

DHCPv4's feature respects --(except-)interface option, but according to my experiments, RA doesn't, so as a workaround, I use radvd in addition to dnsmasq.

I used the following option to enable RA:
-F 2001:db8:42:3::,ra-only,64,1d

Regards,
Julien