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SNMP Requests to 4430 are timing out

I have a 4430 R12.3.3  running as my router between my LAN and the Internet. On both the WAN & LAN side the connection is Copper GigE.

I am seeing SNMP requests that I use to track utilization of the router interfaces time out occasionally, usually when load is higher.

My software making SNMP requests uses a 1 second timeout and retries 5 times.

Peak loads are about 120-150 MB/sec going WAN to LAN.

As anyone seen this and what is the best way to work around issue?

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Re: SNMP Requests to 4430 are timing out

The problem was not a timeout but the 32 bit counter rolling over on my high speed Giga interfaces.  I switched my network monitor to use SNMP 2 and the 64 bit counters and the problem was solved.