[nsp] Deferred Packets

From: A Routerman (routerman@briefcase.com)
Date: Thu Dec 14 2000 - 11:41:36 EST


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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