[c-nsp] CISCO-ENVMON-MIB initial Index change in in SXH2a?

[Phil Mayers]

David Freedman wrote:
> My SHX2a boxes are showing a shift from small to large initial index
> numbers (ciscoEnvMonTemperatureStatusIndex) in CISCO-ENVMON-MIB in the
> ciscoEnvMonTemperatureStatusTable, release notes mention nothing about
> this, bugtool turns up a blank, has anybody else seen this? is it
> intentional?

I believe those indices are ENTITY-MIB values, so they'll be variable. I 
don't think there is the equivalent of a "snmp ifindex persist" for 
entity indices.

> 
> SXF box and below:
> 
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.1 = STRING: "VTT 1 outlet
> temperature"
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.2 = STRING: "VTT 2 outlet
> temperature"
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.3 = STRING: "VTT 3 outlet
> temperature"
> 
> 
> SHX2a box:
> 
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.40010 = STRING: "VTT 1 outlet
> temperature"
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.40020 = STRING: "VTT 2 outlet
> temperature"
> SNMPv2-SMI::enterprises.9.9.13.1.3.1.2.40030 = STRING: "VTT 3 outlet
> temperature"
> 
> 
> Whilst it is entirely correct that one should first walk the
> ciscoEnvMonTemperatureStatusTable in order to retrieve the index ,
> I've always been able to use the static OID
> .1.3.6.1.4.1.9.9.13.1.3.1.3.1 to get VTT 1 outlet temperature.

I think you've been lucky; I've seen them change across reboots when 
modules have been inserted.