On Sun, Feb 11, 2024 at 03:17:33PM +0100, Klaus Wissmann via Dnsmasq-discuss wrote: > Hi all, > > I’m pretty sure I’m overlooking something really simple > but somehow I’m stuck.
:-) > Initially I had a fairly standard setup: my router at home does IPv6 > router advertisements + DHCP + DNS etc., local hosts do slaac and > stateless dhcpv6. > > Due to several reasons I wanted to move DHCP + DNS away from the router > to a separate server. So what I did was > • Switch off DHCPv6 on the router > • Keep Router Advertisements active on router (with O flag set) > • Set up dnsmasq on the new dedicated DNS/DHCP server (Debian 11, dnsmasq > 2.85). } go visit "paste bin" Not visited > What is now happening is that both the router as well as the dnsmasq > server send router advertisements and my local hosts end up with two > default routes. If I completely leave out the dhcp-range statement > for IPv6, then dnsmasq will not send any router advertisements but > unfortunately the really nice ra-names functionality is also switched > off. ra-names I thought that was a made-up name, but I found it also in the manual page of dnsmasq. > Interestingly enough, my local Linux and MacOS don’t seem to be > bothered at all by the two default routes while the Windows clients > get confused sometimes (if I understand correctly depending on when > they received which router advertisement). > > I tried to dig into the source code a bit and if I prevent dnsmasq > from executing send_ra_aliases() that seems to do the trick. But I > have to admit that I don’t understand the source code thoroughly > enough and I assume this will break something else... > > So my question is: is there a way to stop dnsmasq from sending > router advertisements while at the same still providing the ra-names > functionality? Consider to share information on the various attempts. Regards Geert Stappers Not willing to answer yes-no-questions -- Silence is hard to parse _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss