On 29/03/2019 16:55, Marco Schuster wrote: > Hello all, > > I have a working IPv4 setup as follows: > 1) AVM FritzBox as DSL router > 2) Debian / dnsmasq 2.80-1 router, with eth0 being uplink to the > FritzBox and eth1.X the client VLANs (1-16) > 3) a couple dozen clients in the different VLANs > > Now I want to expand this setup to IPv6. > > The router itself has working IPv6 connectivity, with the FritzBox > getting a /56 from the provider and distributing a /62 prefix via IA_PD > and an IPv6 address (not in the /62 prefix but in the larger /56) via > IA_NA to the router, with dhclient dealing with configuring eth0. An > example prefix on eth0 would beĀ 2001:a61:2456:b8fc::/62. > > I want each VLAN IPv6 range to be set up as <prefix>:VLAN_ID:<DHCPv6 > allocation>. How do I express this with dnsmasq? > > In addition: right now I have "interface=eth0, no-dhcp-interface=eth0" > in the configuration so that machines in the FritzBox network can access > the DNS resolver part of dnsmasq. Unfortunately, "enable-ra" enables > router advertisements on eth0, but not on eth1.X according to the logs! > > How do I prevent this and have dnsmasq only send RAs / respond to DHCPv6 > on VLANs where I explicitly state it? >
It should only be sending RAs on interfaces where there is a suitable dhcp-range. Can you show more of your configuration? Simon. _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss