On Fri, 2005-10-21 at 17:32 -0500, Les Mikesell wrote:
> What's supposed to happen when the value doesn't fit in a Counter32?
The Counter32 value will report the bottom 32-bits
(with the higher bits simply being discarded).
Remember that in the SNMP world, an individual Counter-based value
has no meaning. Counter32 (and Counter64) object are used to
monitor the *difference* between two successive readings.
So:
ifconfig eth1 ; sleep 60 ; ifconfig eth1
might report
eth1 TX bytes:33033390619 (31503.0 Mb)
eth1 TX bytes:33033391619 (31503.0 Mb)
while
snmpget eth0 ; sleep 60 ; snmpget eth0
might report
ifOutOctets.1 = 149182455
ifOutOctets.1 = 149183455
The raw numbers are different, but the delta:
33033391619 - 33033390619 = 1000
149183455 - 149182455 = 1000
is the same. That's how SNMP Counters work.
Dave
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