I'm not sure about Cisco switches, but in Nortel's MIB implementation the
TX/RX cell counts are cumulative.  Do a 'Describe' on the MIB entry; it
might tell you what the rollover point is.

>From:         Bob Engley <bob.engley AT UALBERTA DOT CA>
>Subject:      data collection on switches
>To:           NV-L AT UCSBVM.ucsb DOT edu
>X-Envelope-From: owner-nv-l AT UCSBVM.UCSB DOT EDU
>
>Further to my note re: collecting data on cisco 2916/24 switches last
week,
>does anyone know if ifInOctets/ifOutOctets on a switch (any switch!)
>represent the actual traffic on these ports?
>The numbers I am getting from snmpCollect sure don't look real!
>And graphing in real time (from the mib browser) doesn't look any
better.
>My gut feeling is that the numbers are misleading, in that they don't
>represent the traffic, but some aggregate count???
>Any advise would be greatly appreciated!
>
>--
>/in haste
>/Bob


Lisa Rodighiero
Client/Server Network Engineering
Visa International
Email:  lrodig AT visa DOT com
Phone:  650-432-3855
Fax:      650-432-2532

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