On Thu, 21 Dec 2017 20:57:09 +0100 Pascal Hambourg <pas...@plouf.fr.eu.org> wrote:
> Now you seem to have found a rather good solution (not based on some > hackish NAT, convoluted routing or complex split DNS), it may be > uselee to carry on this thread, but I am just interested and curious. > > Le 21/12/2017 à 12:10, Phil Reynolds a écrit : > > On Thu, 21 Dec 2017 07:23:06 +0100 > > Pascal Hambourg <pas...@plouf.fr.eu.org> wrote: > > > >> How are TCP/IP parameters configured on the client ? > >> Could you show its routing table ? > > > > Output of "route" on it: > > > > Destination 192.168.0.0 Gateway * Genmask 255.255.255.0 Flags U > > Metric 0 Ref 0 Use 0 Iface wlan0 > > Is that all ? No default route ? > How can it reach any address outside the private subnet ? What it can see locally on the physical network, it reaches. Otherwise it goes through the router. I haven't interfered with this at all. > > Output of "route -A inet6" is much longer - see > > http://paste.debian.net/1001796 - note that this is "as is", I > > haven't concealed anything. > > That does not look like an IPv6 routing table, not even like any > routing table. It rather looks like some key=value pair config file. > Here are the few first lines of what I see : Indeed, I have no idea where it actually went. Now at http://paste.debian.net/1001920/ > >>>> All the IPv4 and IPv6 nameservers used by the client must resolve > >>>> the name into the private address. If they also serve the public > >>>> zone, you must set up "split DNS" to server different versions > >>>> for private and public clients. > >>> > >>> Unfortunately I have found no way to override the radvd-provided > >>> DNS server addresses - otherwise I would have done this. > >> Aren't you in control of the router configuration and which IPv6 > >> DNS servers are advertised in the RAs it sends (radvd ?), and of > >> these servers behaviour ? > > > > I am in control but it's a case of "can it be done and if so > > how?". > > If the IPv6 router advertisements are sent by radvd on the router, > the RDNSS option advertising the IPv6 DNS addresses are defined in > the config file /etc/radvd.conf. The defined DNS server(s), along > with the IPv4 ones, should be under your control and set up to serve > different records for the Asterisk server name based on the query > source address. This is called split DNS. In BIND the feature is > named "views". Perhaps I should say "I am in control of the radvd but the IPv6 nameservers are not mine and therefore I cannot control their behaviour." It may be possible for me to use dnsmasq to provide a workaround, but as things stand now I don't need it. -- Phil Reynolds mail: phil-deb...@tinsleyviaduct.com Web: http://phil.tinsleyviaduct.com/
