Re: OSPF Summarization

intra-area summary LSA (LSA 3) can be summarized as it's originated by an
ABR from area 0 or anyother area

this is the job of area XX range

HTH
On Tue, Apr 14, 2009 at 10:12 PM, Ryan West <rwest_at_zyedge.com> wrote:

> Naveen,
>
> Two interesting labs I would recommend for confusing (learning more about
> the topic) yourself are, lab7 either ver 4.10 or ver 5.0 and lab12 in volume
> 2 of the IE workbook. Lab 7 demonstrates the range command and its effect
> area 0, while lab12 demonstrates exactly what you're referring to below but
> at the IPv6 stack.
>
> -ryan
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Naveen
> Sent: Tuesday, April 14, 2009 2:56 PM
> To: Divin Mathew John
> Cc: Salah ElShekeil; Paul Adams; Cisco certification
> Subject: Re: OSPF Summarization
>
> Group,
>
> Am a little lost with the "area range" command. When the cmd is specified
> under OSPF on an ABR -
>
> 1) Should the individual prefixes all belong to the same area ?
> 2) What happens if ABR summarizes prefixes belonging to different area ?
>
> -Naveen.
>
>
>
>
> On Tue, Apr 14, 2009 at 11:42 AM, Divin Mathew John <divinjohn_at_gmail.com
> >wrote:
>
> > Salah is more specfic. i kinda did the broad summarize.! do the specific
> > one!
> > Thanking You
> >
> > Yours Sincerely
> >
> > Divin Mathew John
> > divinjohn_at_gmail.com
> > divin_at_dide3d.com
> > http://www.dide3d.com
> > +91 9945430983
> > +91 9846697191
> > +974 5008916
> > PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
> > Sent from Bangalore, KA, India
> >
> >
> > On Wed, Apr 15, 2009 at 12:09 AM, Salah ElShekeil
> > <salah.elshekeil_at_gmail.com> wrote:
> > > area XX range 10.80.22.0 255.255.192.0
> > >
> > >
> > > try it
> > >
> > > HTH
> > >
> > > Salah
> > >
> > > On Tue, Apr 14, 2009 at 9:34 PM, Paul Adams <ccie.paul_at_gmail.com>
> wrote:
> > >
> > >> Hi GS,
> > >>
> > >> Perform OSPF Summarization
> > >>
> > >> L22 = 10.80.22.1/24
> > >> L32 = 10.80.32.1/24
> > >> L47 = 10.80.47.1/24
> > >>
> > >> show these routes as one....other routers should see them as single
> > >> routes..
> > >>
> > >> can someone check if the solution is correct
> > >>
> > >> (ANS)
> > >>
> > >> //summarized routes in ospf
> > >> router ospf 1
> > >> network 10.80.60.1 0.0.0.0 area 0
> > >>
> > >> <R1>
> > >> area 10 range 10.80.0.0 255.255.255.0
> > >>
> > >>
> > >> Blogs and organic groups at http://www.ccie.net
> > >>
> > >>
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Received on Tue Apr 14 2009 - 22:16:15 ART