[c-nsp] Me3600 microburst / drops / queue-limit

Nick Hilliard nick at foobar.org
Tue Jun 19 18:09:24 EDT 2012


On 19/06/2012 21:37, sledge121 at gmail.com wrote:
> I read a reply from Waris saying that microburst can cause drops when
> traffic arrives from high speed interfaces, he suggested increasing the
> queue-limit to 492 KB, the box only has a total of 44MB for packet
> buffer and I would like to monitor how much of this total is in use at
> any one time, is there an snmp oid that would show me this usage or any
> other way I can monitor this.
> 
> Maybe One for Waris if he still monitors the list or anybody else who
> has come across this situation before.

Eh, difficult to monitor.  Remember that this is a dynamic buffer: in the
time that it takes to send and receive an snmp query from a busy host, a
492K buffer might have been filled and drained several times.

Nick


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