[mrtg] OIDs changing.

[gaurav]

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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