On Fri, Apr 1, 2016 at 10:05 AM, Amit Bansod <[email protected]> wrote:
> Hi Marc,
>
> Unfortunately ?tap-info does not show any information like "announce" or
> "query".

That probably means you are running an earlier version of tcpborphserver

> I do see lot of messages like
>
> #log warn raw discarding frame of unknown type 0x808 and length 72
> #log warn raw discarding frame of unknown type 0x808 and length 600
> #log warn raw write to tap device tap3 failed: Invalid argument


Type 0x800 is IP, 0x806 is arp. But 0x808 it seems to be frame relay
arp !? That seems a bit weird.

Maybe you have trunking vlan enabled on those ports ? I would have
guessed IPv6 (which the roaches don't do) but that seems to be 86dd.
Maybe check your switch configuration ?

regards

marc

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