packet drop without ARP adjacency [Re: [c-nsp] IOS 12.2S Train]
Pekka Savola
pekkas at netcore.fi
Wed Oct 5 03:07:09 EDT 2005
Hi,
On Tue, 4 Oct 2005, David Coulson wrote:
>> Normally, the SYN packet should cause an ARP entry to spring into
>> existance, and the second SYN sent by the machine on the other end will
>> then go through to the receiver.
>
> Wow, you're right - I can't believe I never noticed that. I just ran
> some packets across 12.2(29) and the first SYN gets dumped.
Speaking of which, is there a counter or a command to check how many
packets have been dropped waiting for ARP adjacency to come up ?
Is it 'RP PAS No Adjacency' and 'RP PAS Incomplete Adjacency' in "show
ip cef switching statistics" ?
--
Pekka Savola "You each name yourselves king, yet the
Netcore Oy kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
More information about the cisco-nsp
mailing list