> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Zack Little
> Sent: Monday, October 15, 2007 2:42 PM
> My question is how do you select the MIBOID for the custom
> MIBs with pass-through support you want to create? In the
> example they were under ucdavis, but does that mean ucdavis
> must always be used? Does the 255 in the MIBOID specifically
> indicate this is a custom MIB?
There is no intrinsic meaning to OID parts (i.e. the 255 means 255 and
nothing else), but there is some extrinsic meaning, as defined by MIBs and the
architects of the OID system. The issue of OID ownership is a little slippery,
as it would be onerous to manage OID assignment on a per-person basis.
However, there is per-enterprise assignment. the OID .1.3.6.1.4.1
(enterprises) is the root of the per-enterprise tree - you can find the
assignees at http://www.iana.org/assignments/enterprise-numbers . If you are
part of one of these enterprises, check to see if yours has a procedure for
allocating sub-OIDs. If not, the classic cheat (very popular for experimental
and test MIBs) is to take a known enterprise, tack a large random number onto
it (just like the example, but 255 is too small and obvious for someone who
doesn't belong to the enterprise - go for at least 5 digits), treat it like the
root of an enterprise, and hope to never collide! If you ever wish to actually
d
eploy a MIB, it is imperative that you use a properly allocated MIB space, so
as not to collide in the field.
HTH,
Mike
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