[c-nsp] ip device tracking on IOS-XE

[Antoine Monnier]

we are not using anything that would be dependent on ip device tracking so
we have not seen any side effects (we are not using MSE)

On Fri, Aug 12, 2016 at 6:30 PM, Sebastian Beutel <
sebastian.beutel at rus.uni-stuttgart.de> wrote:

> Hi Antoine,
>
> On Wed, Aug 10, 2016 at 09:45:40AM +0200, Antoine Monnier wrote:
> >
> > "nmsp attachment suppress" came from googling, we implemented it and
> > verified it stopped device tracking for us.
> >
> Did you noticed any side effects? Do you use a Cisco Mobility Services
> Engine (MSE) or have planes to use it?
>
> >
> > which hardware are you working with?
> >
> Until now we noticed the problem on 3850 and 4k5 (Sup 8-E).
>
> Best,
>    Sebastian.
>
> > On Tue, Aug 9, 2016 at 6:50 PM, Sebastian Beutel <
> > sebastian.beutel at rus.uni-stuttgart.de> wrote:
> >
> > > Hi Antoine,
> > >
> > > On Tue, Aug 09, 2016 at 09:24:55AM +0200, Antoine Monnier wrote:
> > > > try this under every interface:
> > > >  nmsp attachment suppress
> > > > (yeah I know... does not seem related in anyway to IP device
> tracking but
> > > > it does turn it off for us)
> > > >
> > > Even after reading the sparse documentation i can't figure out what
> this
> > > does. May i aks where did you get the suggestion to this?
> > >
> > > >
> > > > or better, upgrade do a more recent release? it seems 3.6.2aE has it
> > > > disabled by default (Cat 3850)
> > > >
> > > On the particular switch i had 03.07.03E running. Because 03.06.05E is
> > > currently the suggested release i rolled back to this version and what
> > > happend? A "no ip device tracking" i global config mode seems to
> succeed
> > > but actually does nothing at all: A "sho ip device tracking" makes
> clear,
> > > that it's still running.
> > >
> > > Best,
> > >    Sebastian.
> > >
> > > > On Mon, Aug 8, 2016 at 7:28 PM, Sebastian Beutel <
> > > > sebastian.beutel at rus.uni-stuttgart.de> wrote:
> > > >
> > > > > Dear list,
> > > > >
> > > > >     we ran into trouble with the ip device tracking feature that
> seems
> > > to
> > > > > be
> > > > > enabled by default on devices running ios-xe. There's allready a
> > > trouble
> > > > > shooting guide:
> > > > >
> > > > > http://www.cisco.com/c/en/us/support/docs/ios-nx-os-
> > > software/8021x/116529-
> > > > > problemsolution-product-00.html
> > > > >
> > > > > As ip device tracking is disabled by default on most of our devices
> > > anyway
> > > > > (those running ios) my first idea was to just disable it globaly.
> But
> > > even
> > > > > though command line completion and online help knows about "no ip
> > > device
> > > > > tracking <cr>" and a global line "ip device tracking" shows up in
> sho
> > > run
> > > > > all, i get an error message saying: "IP device tracking is
> disabled at
> > > the
> > > > > interface level by removing the relevant configs".
> > > > >
> > > > > Next thing is, that no "relevant config" appears in "sho run all"
> on an
> > > > > interface level. There are only globaly lines. And if i try to do a
> > > > > "no ip device tracking" on a single interface i get the exact same
> > > error
> > > > >  message.
> > > > >
> > > > > But it get's wilder: If i use one of the suggestions of the above
> link
> > > and
> > > > > type a "ip device tracking probe delay 10" on just a single
> interface,
> > > the
> > > > > command goes through without an error. The result is, that again no
> > > > > corresponding configuration shows up on the interface but the
> global
> > > line
> > > > > is
> > > > > now changed and a "show ip device tracking all" reveals:
> > > > >
> > > > > Global IP Device Tracking Probe Delay Interval = 10
> > > > >
> > > > > Any ideas how that makes sense? How to disable device tracking
> > > globaly? For
> > > > > what use device tracking could be beneficial anyway?
> > > > >
> > > > > Best,
> > > > >    Sebastian.
> > > > > _______________________________________________
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> > > > >
> > >
> > > --
> > > Dipl.-Ing. Sebastian Beutel                              tel:
> > > +49-711-685-64538
> > > Rechenzentrum Universitaet Stuttgart
> http://www.rus.uni-stuttgart.
> > > de/nks
> > > Netze und Kommunikationssysteme              Allmandring 30A, D-70550
> > > Stuttgart
> > >
>
> --
> Dipl.-Ing. Sebastian Beutel                              tel:
> +49-711-685-64538
> Rechenzentrum Universitaet Stuttgart        http://www.rus.uni-stuttgart.
> de/nks
> Netze und Kommunikationssysteme              Allmandring 30A, D-70550
> Stuttgart
>