ospf ptp link sending unicast packets instead of multicast; peer address config not required

Ondrej Zajicek santiago at crfreenet.org
Fri May 7 23:42:28 CEST 2021


On Fri, May 07, 2021 at 01:46:18PM +0000, Senthil Kumar Nagappan wrote:
>  Hi Ondrej,
> using latest bird cloned a week back and using montavista linux.yes,
> i verified using tcpdump, in one of the interface capture where the 
> adj is stuck in exstart state, only hello packets and unresolved arp
> requests are seen. (please see the attached eth2.pcap) and in the other
> eth1.pcap adj is FULL and you can notice db pkts are unicast.Using a
> proprietary hw/sim and don't have a general purpose linux setup to try.

> forget about the route lookup, for the configuration that i mentioned,
> only one of adj is up and other is down. why? Do you think this
> configuration will work in the standard linux system, were both the adj
> comes up fine?

Hi

Just tested it in the standard linux sytem and it worked fine. DBdes
packets for each adjacency are exchanged on each iface. So perhaps that
is really something strange in your setup.

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."



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