[Xorp-users] xorp RIPng

Hansi hantongs at gmail.com
Mon Nov 19 17:46:18 PST 2007


Hello Pavlin,

See inline response on your query.

On Nov 20, 2007 3:09 AM, Pavlin Radoslavov <pavlin at icir.org> wrote:
> <DEL>
>
> > Appears though that the correct interface is sending out the ripng
> > packets. Although I am seeing a metric of 16 here which should not be
> > the case since its a connected network.
> >
> > I'm attaching a file of the output of the trace since its quite long
> > to paste here.
>
> The trace output shows that the FEA has correctly identified vr0 as
> the incoming interface for the RIPng packets:
>
> [ 2007/11/19 03:33:55 INFO xorp_fea XRL ] Resolving xrl:finder://ripng-77422bcc5c4f8cc6087ec1f71328cb21@127.0.0.1/socket6_user/0.1/recv_event?sockid:txt=00000\000-0000058a-0004a5e5-03c70000&if_name:txt=vr0&vif_name:txt=vr0&src_host:ipv6=fe80::215:f2ff:fe3d:ac91&src_port:u32=521&data:binary=%02%01%00%00%00%00%00%00%0\0%00%00%00%00%00%00%00%00%00%00%00%00%00%00%FF+%01%0E%C0@%00%BE%EF%00%00%00%00%00%00%00%00%00%00@%00+%01%0E%C1@%01%10%AF%00%00%00%00%00%00%00%00%00%00@%10+%01\%0E%C2@%02%FA%11%00%00%00%00%00%00%00%00%00%00@%00
>
> What is the output of the "show route table ipv6 unicast ripng"
> xorpsh command?


admin at demo_rtr.infoweapons.com> show route table ipv6 unicast ripng
2001:ec0:4000:beef::/64 [rip(120)/1]
                > to fe80::213:d4ff:fed8:6808 via sk0/sk0
2001:ec1:4001:10af::/64 [rip(120)/1]
                > to fe80::213:d4ff:fed8:6808 via sk0/sk0

This status output was taken from Router 2. Link-local address
fe80::213:d4ff:fed8:6808 is the vr0 interface of Router1. So I believe
it should be vr0 instead of the one shown above.

Output of show route table ipv6 unicast ripng from Router 1:

admin at demo_rtr.infoweapons.com> show route table ipv6 unicast ripng
2001:ec2:4002:fa11::/64 [rip(120)/1]
                > to fe80::215:f2ff:fe3d:ac91 via sk0/sk0


Thanks,
Hansi
>
> I believe I have found the problem (RIPng doesn't send the interface
> information along with the route it sends to the RIB so the RIB
> mis-calculates the outgoing interface), but I'd like to cross-check
> this with the "show route" output.
>
> Thanks,
> Pavlin
>
>
>
>



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