Re: Get network interface traffic values with one second interval.

On 08/08/06, Ricardo Aguiar <[email protected]> wrote:
> I'm using net-snmp 5.3 (net-snmp-5.3-4.2) with fedora core 5 to get in/out traffic statistics
> with a one second interval.... Unfortunately,... I am only able to obtain meaningful values if
> I use 30 seconds or even more intervals.

Robert's the expert on the new IF-MIB module (and the MfD framework in
general), but a quick scan of the code seems to indicate that the
cache timeout is being set in the routine _ifTable_container_init(),
which is defined in the file if-mib/ifTable/ifTable_interface.c
Try changing '30' to read '1' in the call to netsnmp_cache_create(),
and re-compile.

I'm not sure whether this module uses the agent/nsCache module, which
would allow you to tweak the cache timeout dynamically, via SNMP SET
requests.  You'd have to ask Robert about that.

Dave

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