[j-nsp] SNMP Ifindex persist

[Farhan Jaffer]

Yes. You are right. In my experience with Juniper routers, it was the first
time last week when the snmp if index changes after reboot.

Thanks for comments.

-FJ

On Jan 9, 2008 9:44 PM, Stacy W. Smith <stacy at acm.org> wrote:

> Farhan,
>
> You might be able to help pinpoint the issue by executing 'file show /
> var/db/dcd.snmp_ix'.
>
> /var/db/dcd.snp_ix is the file where SNMP ifindex information is
> stored. The file is in a relatively human readable format and has a
> comment at the top indicating the last time it was written.
>
> As Jared said, the most likely culprit would be related to some
> software upgrades.
>
> lab at Denver> file show /var/db/dcd.snmp_ix
> /*
>  * dcd-generated /var/db/dcd.snmp_ix
>  * Version: DCD release 8.4R2.4 built by builder on 2007-12-08
> 07:16:16 UTC
>  * Written: Wed Dec 26 22:58:12 2007
>  */
> <snip>
>
> This probably goes without saying , but don't try to edit this file
> directly.
>
> --Stacy
>
>
> On  9 Jan 2008, at 8:43 AM, Jared Gull wrote:
>
> > Farhan,
> >
> > That's not typical. Generally speaking the snmp
> > ifindex information remains the same between reboots
> > and upgrades. I have seen rare situations where they
> > have changed (e.g. upgrading between certain versions)
> > but those situations are the exception and not the
> > norm.
> >
> > Jared
> > --- Farhan Jaffer <bandhani at gmail.com> wrote:
> >
> >> I don't think so. When my M40e rebooted, all if
> >> indexes changed.
> >>
> >> -FJ
> >>
> >> On Jan 8, 2008 10:38 PM, Stacy W. Smith
> >> <stacy at acm.org> wrote:
> >>
> >>> The equivalent functionality is enabled by default
> >> in JUNOS, and I'm
> >>> unaware of any way to turn it off.
> >>>
> >>> --Stacy
> >>>
> >>> On  8 Jan 2008, at 10:30 AM, Farhan Jaffer wrote:
> >>>
> >>>> Is there any equivalent command of IOS
> >> '*snmp-server ifindex
> >>>> persist*' in
> >>>> JUNOS? OR any other alternate way to perform the
> >> same function?
> >>>>
> >>>> Thanks & Regards
> >>>> -FJ
> >>>>
>