[j-nsp] SNMP interface index change after upgrade to 9.2

[Jac Kloots]

David,

On Sun, 26 Oct 2008, David Ball wrote:

>  I thought Juniper had sorted out their interface SNMP index
> numbering such that they would remain the same, even following a
> reboot?  I've been running a simple MRTG instance to monitor some
> 10Gig core links since 8.4 with no problems.  I recently upgraded from
> 9.1R1.8 to 9.2R2.15 on my T-Series and most (note: not ALL) of the
> core 10Gig links I was monitoring (MRTG) all had a change in their
> SNMP index number.  For example, ge-0/0/0 was previously SNMP index
> #32, but now appears as #355.
>  Anyone else notice this?  Am I incorrect in my previous assumption
> that Juniper had solved this issue of SNMP index changes across
> reboots?

We saw the same behaviour after an upgrade from 8.5 to 9.1R1. All indexes
remained the same except for the one from an AE-interface. This changed it's
index after the upgrade.

Anybody any clue why this happened?

Regards,

Jac

-- 
Jac Kloots
Network Services
SURFnet bv