Hi Gaurav
MRTG polls interface index id to get the data. Cisco interface index ID changes some time when a router/switch is rebooted. You can configure cisco to keep the same interface index id by running "snmp ifindex persist" command in global mode. Regards, Lokesh ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of gaurav Sent: Friday, August 31, 2007 8:11 PM To: [email protected] Subject: [mrtg] OIDs changing. Dear all, Recently I was amazed to see few things in the devices I was using MRTG for. First, I have two cisco uBR 7200 with same IOS version and same model but the OIDs in them for same datas to are to be retrieved are different in the leaf OIDs whereas the branch OID is the same. i mean if 1.3.2.1.2.1.2.3.1.2.1.2 was for one than 1.3.2.1.2.1.2.3.1.2.1.9 was for the other.. Second thing is one of the device got automatically rebooted because of some power failure lately, and i was unable to see MRTG graphs for few of the datas polled. Upon further diagnose i found that the leaf OIDs have increased with two i mean if 1.3.2.1.2.1.2.3.1.2.1.2 was the OID that was polled than after the reboot it wasnt existing and 1.3.2.1.2.1.2.3.1.2.1.4 was the one that was providing the necessary values. Has any one came across this type of situations before...please do share.. Does the OIDs get changed so abnormally or is it because of some faults in the device. TIA, Gaurav
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