Re: Comparing two IP routing table

If you save the two files you can use exam diff. It will color code the
differences. I hope this helps.
http://download.cnet.com/ExamDiff/3000-2248_4-10059626.html

Tony

On Sun, May 9, 2010 at 5:27 PM, Tyson Scott <tscott_at_ipexpert.com> wrote:

> Build two files
> cat a.txt | sort > aa.txt
> cat b.txt | sort > bb.txt
> diff aa.txt bb.txt
>
> This is basic Unix.
>
> You could probably generate a shell script but the above should do.
>
> Regards,
>
> Tyson Scott - CCIE #13513 R&S, Security, and SP
> Technical Instructor - IPexpert, Inc.
> Mailto: tscott_at_ipexpert.com
> Telephone: +1.810.326.1444, ext. 208
> Live Assistance, Please visit: www.ipexpert.com/chat
> eFax: +1.810.454.0130
>
> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand,
> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco
> CCIE (R&S, Voice, Security & Service Provider) certification(s) with
> training locations throughout the United States, Europe, South Asia and
> Australia. Be sure to visit our online communities at
> www.ipexpert.com/communities and our public website at www.ipexpert.com
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> ocsic_at_hotmail.co.uk
> Sent: Sunday, May 09, 2010 3:56 PM
> To: Ccieyarub; Cisco certification
> Subject: Re: Comparing two IP routing table
>
> both entities will continue to have HO and data centers in different
> locations, but will be consolidated under one VRF, so a routing conflict
> can
>
> pull traffic in the wrong direction..... therefore IP subnets must be
> unique
>
> and I want to stay away from NAT which will be messy.
>
> I also have to look for variable subnet conflicts, because if for example
> one company has a longer match compared to the other, it will pull traffic
> of other company in its direction, so although they are not identical
> routes, it is still a conflict. So don't think Diff program will do the
> whole job...
>
>
>
> --------------------------------------------------
> From: "Ccieyarub" <ccieyarub_at_gmail.com>
> Sent: Sunday, May 09, 2010 8:29 PM
> To: <ocsic_at_hotmail.co.uk>
> Cc: "Cisco certification" <ccielab_at_groupstudy.com>
> Subject: Re: Comparing two IP routing table
>
> > Hi
> > If company B will be migrated into vrf than the overlapping of ip is not
> > an issue, what's the motivation for looking for ip address conflict in
> > that scenario??
> > Thanks
> > A-
> >
> > Sent from my iPhone
> >
> > On 2010-05-09, at 2:55 PM, <ocsic_at_hotmail.co.uk> wrote:
> >
> >> Does anyone know if there is a easy way to compare two large IP routing
> >> tables
> >> for IP address conflict, each IP routing table has over 5000 routes.
> >> For
> >> example if company A acquires company B and wishes to migrate company B
> >> into
> >> its VRF. Company A would like a detailed report of the IP address
> >> conflicts
> >> between itself and company B.
> >>
> >> Can anyone suggest what is the easiest way to approach this. I have
> >> thought
> >> of
> >> importing the routing tables in Excel into each column and writing a
> >> Macro to
> >> compare the two columns. But this seems like a tedious task.
> >>
> >> Is this the best way or can anyone suggest a faster better way?
> >>
> >> Thanks in advance !
> >>
> >> IS
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >> _______________________________________________________________________
> >
> >
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Mon May 10 2010 - 06:50:58 ART