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RE: Measuring BGP routes

  • From: Frank Scalzo
  • Date: Fri Aug 23 15:07:39 2002


Be cautious not to rely on a show ip bgp sum many IOS versions (I don't
remember specifically) have a bug that makes that number inaccurate. 

Most of the tools I have seen have basically done a show ip bgp
collected the whole table and parsed it. I know I wrote a tool like that
when I was a wcom.

As for tracking update packets/sec vs prefixes updated/sec, one of the
juniper trace options I think flag update, gives a summary of how many
prefixes were updated.

-----Original Message-----
From: Paul Donner [mailto:pdonner@cisco.com] 
Sent: Friday, August 23, 2002 2:52 PM
To: Ezequiel Carson; Dr. Mosh
Cc: nanog@merit.edu
Subject: Re: Measuring BGP routes


I believe there is pointer a screen-scraper script at the route-views
web
site that might give you this and more info you are looking for.  Don't
have the info right now but if you can't find it ping me and I'll dig it
up.

At 12:18 PM 8/23/2002, Ezequiel Carson wrote:

>Hi,
>
>         I have tried to search this some time ago ,but i have never
found 
> it.
>
>         I have seen that there is a updates/seconds.
>
>         If you want to get numbrer of prefixes you could use rsh and
write a
>simple perl/shell  script.
>
>
>
>Ezequiel
>
>On Thu, 2002-08-22 at 20:07, Dr. Mosh wrote:
> >
> > Wonder if anyone of you have come across the need for this.
> >
> > I'm basically looking for a Cisco IOS MIB that tells me the
> > number of BGP routes a router currently has, for graphing
> > purposes to keep track over time.
> >
> > Anyone know the mib handy?
> >
> > Thanks
> > private reply works
> >
> >
> > --
> > --------------
> > http://www.zeromemory.com - metal for your ears.
> >





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