At 11:12 AM +0900 10/25/99, Austin Oh wrote:
Dear Developers,
I have adopted a RRD tool with mrtg.
But, i notice that i can't see actual utilization
when the utilization of link is over about 120Mbps.
Makes sense- that's about about where you get double counter wrap.
RRD takes care of the first counter wrap but not the second.
We use the Cisco router with high bandwidth link,
155Mbps ATM, FastEtherChannel, etc.
In my opinion, the problems are our router which uses
the 32bit counter.
Therefore, i have modified some code of mrtg and
decreases the interval to 1 minute.
It' looks fine. However, this is not the solutions because of
32bit counter.
IOS 12.0 supports the 64 bit counters (some other versions of 11.2 or
11.3, I believe, but not 11.1(x)). Here are the counters I use. Works
great w/ RRD although I can't say whether the counter wrap code works
correctly.
ifHCInOctets
ifHCInUcastPkts
ifHCInMulticastPkts
ifHCInBroadcastPkts
ifHCOutOctets
ifHCOutUcastPkts
ifHCOutMulticastPkts
ifHCOutBroadcastPkts
Russ
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