"Deferred" packets are absolutely normal at _any_ half-duplex links.
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Basil (Vasily) V. Dolmatov CCIE# 5347
LightCom Corp. http://www.lightcom.ru
> -----Original Message-----
> From: routerman@visto.com [mailto:routerman@visto.com]On Behalf
> Of A Routerman
> Sent: Thursday, December 14, 2000 7:42 PM
> To: cisco-nsp@puck.nether.net
> Subject: [nsp] Deferred Packets
>
>
> I have an issue that is causing too much hair loss :)
>
> We have a two 3640's connected to two Foundry switch/routers.
> Then behind our 3640's we have two 2924xl switches that have a
> connection to each 3640 (and the siwtches are trnked). We run
> HSRP between the routers on the back end.
>
> The issue we see is on the front end between the 3640's and the
> Foundry's. It is a 10 half duplex connection and we are seeing
> about 1% of total traffic as deferred packets on the Cisco's. No
> errors on the Foundry's. The link is only utilized at about 8%
> (less than 1MB).
>
> Trying to determine why we are getting deferred packets and what
> could be causing them. Some say it is "normal" to have deferred
> packets on a 10 half (as well as collisions of course). Others
> say it is a problem in that the Cisco is trying to send packets
> and senses the network is busy so defers the packets.....
>
> Anyone else seen this? Normal? Causes of deferred packets are?
>
> Thanks in advance
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