I have a connection connected a Cisco router and a Juniper Router. After I setup a MRTG server to monitor the interfaces of both routers. I found the MRTG show the traffic utilization is different. The utilization of Cisco seems higher than the Juniper. Also I show the interface counter of both routers to verify, and the result also the same.
Any one faced this before? And any idea about this?
I recall a study done by Edwin Mier many moons ago where he compared SNMP counters on various products. The bottom line was that few were even close to 100% accurate. Some were way off. I can't comment on the accuracy of the counters in your specific products, but as long as they show similar numbers I wouldn't worry about them not being exactly the same. I see different SNMP counter numbers (ifInNUcastPkts) from interconnected IOS and CatOS interfaces.
Can you post the show interface output from both devices, for two time periods? I.e. show interface at the same time, wait a while (a reasonably long time such as an hour or so) then collect show interface from both devices again?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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