[Dnsmasq-discuss] dnsmasq 2.78 is failing to respond to dhcpv6 requests forwarded via relay agent

[Geert Stappers]

On Fri, Jan 04, 2019 at 02:47:11PM +0530, Sandeep K M wrote:
> On Fri, Jan 4, 2019 at 2:30 PM Geert Stappers wrote:
> > On Fri, Jan 04, 2019 at 11:55:49AM +0530, Sandeep K M wrote:
> > > [ .... ]
> > >
> > > Please let me know if any other information is required.
> >
> >
> > At the server
> >
> >   ip link       # what interfaces are there
> >   ip -6 address
> >   ip -6 route
> >
> Hi,
> 
> Here are the output of the commands:
> 
> root at 8320:~# *ip -6 addr*
> 49: m1s1p7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UNKNOWN qlen 1000
>     inet6 1040::2/120 scope global
>        valid_lft forever preferred_lft forever
>     inet6 fe80::480f:cf00:7af:8444/64 scope link
>        valid_lft forever preferred_lft forever

Based upon that: there is only 1 interface

> root at 8320:~# *ip -6 route*
> 1040::/120 dev m1s1p7  proto kernel  metric 256  pref medium
> 2020::/120 via 1040::1 dev m1s1p7  proto static  metric 512  pref medium

So there is some kind of routing information where the 2020::/120 network is ...


> Sorry forgot to capture "ip link" output. The setup is disassembled as of
> now but if it is required then I will recreate the setup and send you the
> output.

Come again?
As in: "How was the output of `ip -6 addr` and `ip -6 route` generated?



Cheers
Geert Stappers
DevOps Engineer