Getting pretty close to default IPv4 route maximum for 6500/7600 routers.

Pete Lumbis alumbis at gmail.com
Mon May 12 12:18:38 UTC 2014


The datasheet for the ESP-5 states support for 500,000 IPv4 Prefixes. The
TCAM on the ASR1k is different from 6500 and can't be adjusted in the same
fashion. You'd have to filter or upgrade the ESP.

http://www.cisco.com/c/en/us/products/collateral/routers/asr-1000-series-aggregation-services-routers/data_sheet_c78-450070.html(ctrl+f
"Table 3")


On Thu, May 8, 2014 at 10:55 AM, Michael Dikkema <mdikkema at gmail.com> wrote:

> I could never get an definitive answer out of TAC or my account team, but I
> believe the ASR1002 w/ESP5 is also affected.
>
>
> On Thu, May 8, 2014 at 1:15 AM, Nikolay Shopik <shopik at inblock.ru> wrote:
>
> > Asr1002-f may have problem as it limited to 512k iirc
> >
> > > On 08 мая 2014 г., at 2:45, Shawn L <shawnl at up.net> wrote:
> > >
> > > Do the ASR1k routers have this issue as well?  I searched around but
> > > couldn't find any information.
> > >
> > >
> > >
> > > ---------- Forwarded message ----------
> > > From: Irwin, Kevin <Kevin.Irwin at cinbell.com>
> > > Date: Wed, May 7, 2014 at 10:39 AM
> > > Subject: Re: Getting pretty close to default IPv4 route maximum for
> > > 6500/7600 routers.
> > > To: "nanog at nanog.org" <nanog at nanog.org>
> > >
> > >
> > > I¹m really surprised that most people have not hit this limit already,
> > > especially on the 9K¹s, as it seems Cisco has some fuzzy math when it
> > > comes to the 512K limit.
> > >
> > > Also make sure you have spare cards when you reload after changing the
> > > scaling, those old cards don¹t always like to come back.
> > >
> > >> On 5/6/14, 7:01 PM, "Larry Sheldon" <LarrySheldon at cox.net> wrote:
> > >>
> > >>> On 5/6/2014 10:39 AM, Drew Weaver wrote:
> > >>>
> > >>> Just something to think about before it becomes a story the community
> > >>> talks about for the next decade.
> > >>
> > >> Like we have for the last two?
> > >>
> > >>
> > >> --
> > >> Requiescas in pace o email           Two identifying characteristics
> > >>                                        of System Administrators:
> > >> Ex turpi causa non oritur actio      Infallibility, and the ability to
> > >>                                        learn from their mistakes.
> > >>                                          (Adapted from Stephen Pinker)
> > >
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