Re: AUTO SUMMARY--------in EIGRP , RIP and BGP..

From: ALL From_NJ (all.from.nj@gmail.com)
Date: Wed Feb 18 2009 - 20:26:12 ARST

I informed them also ... waiting for feedback from them.

I am eager to get home and try a quick lab test with 3 routers and different
networks etc ...... just want to verify the behavior. It won't be until the
weekend.

I would not have noticed this either way since my brain has been trained to
always type in "no auto" ...

Thanks!

On Wed, Feb 18, 2009 at 3:22 PM, Andy Hogard <andyhogard@gmail.com> wrote:

> Actually, bgp summarization and sync were disabled by default from 12.2
> onwards. If you still encounter false documentation on the doc cd about
> eigrp, perhaps its time to point them the error ..they would be glad to fix
> it.
>
> Greets!
>
>
> On Thu, Feb 19, 2009 at 1:43 AM, Jonathan Greenwood II <gwood83@gmail.com>wrote:
>
>> EBDBSC231#sh ver
>> Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version
>> 12.4(15))
>> EBDBSC231#config t
>> Enter configuration commands, one per line. End with CNTL/Z.
>> EBDBSC231(config)#router eigrp 1010
>> EBDBSC231(config-router)#end
>> EBDBSC231#sh run | s router eigrp 1010
>> router eigrp 1010
>> auto-summary
>> EBDBSC231#
>>
>> Auto-summary is default with EIGRP and this was done on a 2821 with 12.4
>> code
>>
>> HTH
>>
>> Jonathan
>> #22744
>> On Wed, Feb 18, 2009 at 11:51 AM, ALL From_NJ <all.from.nj@gmail.com>
>> wrote:
>>
>> > I can not do a quick lab test now, I am on a trip and away from my rack
>> for
>> > the next two days (I sorely miss my rack ;( ...
>> >
>> > ... The doc CD says that auto-summary is disabled by default after IOS
>> > 12.2(8)T ... basically 12.3 mainline and above for most customers. I
>> type
>> > no auto on every router I confirgure and do not think I have actually
>> tested
>> > if the new default behavior ...
>> >
>> >
>> >
>> http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_eig1.html#wp1011150
>> >
>> > If you can test it, can you lab this up?
>> >
>> >
>> >
>> > On Wed, Feb 18, 2009 at 2:32 PM, Jonathan Greenwood II <
>> gwood83@gmail.com>wrote:
>> >
>> >> Eigrp summarizes by default as well. You have to manually disable with
>> >> "no auto-summary"
>> >>
>> >>
>> >> On Wed, Feb 18, 2009 at 11:14 AM, ALL From_NJ <all.from.nj@gmail.com
>> >wrote:
>> >>
>> >>> For all three - summarizes on network boundaries ...
>> >>>
>> >>> With BGP and EIGRP, auto-summary is disabled by default. W/ RIP
>> >>> auto-summary is enabled. I kind of got in the habit of always typing
>> "no
>> >>> auto" for all routing protocols ... , but if you did not, then w/ RIP
>> >>> this
>> >>> might be a 'gotcha'.
>> >>>
>> >>> HTH,
>> >>>
>> >>> Andrew
>> >>>
>> >>>
>> >>>
>> >>> On Wed, Feb 18, 2009 at 12:49 PM, Bhuvanesh Rajput <
>> ashu2084@gmail.com
>> >>> >wrote:
>> >>>
>> >>> > Hi,
>> >>> >
>> >>> > Can anybody explain the functioning of auto-summary with EIGRP, RIP
>> >>> and
>> >>> > BGP?
>> >>> > or
>> >>> > How does it work differently in each routing protocol?
>> >>> >
>> >>> >
>> >>> >
>> >>> > Cheers!
>> >>> >
>> >>> > Bhuvanesh Rajput
>> >>> >
>> >>> >
>> >>> > Blogs and organic groups at http://www.ccie.net
>> >>> >
>> >>> >
>> _______________________________________________________________________
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>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>>
>> >>>
>> >>> --
>> >>> Andrew Lee Lissitz
>> >>> all.from.nj@gmail.com
>> >>>
>> >>>
>> >>> Blogs and organic groups at http://www.ccie.net
>> >>>
>> >>>
>> _______________________________________________________________________
>> >>> Subscription information may be found at:
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>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>>
>> >>
>> >>
>> >> --
>> >> Jonathan Greenwood II
>> >> CCIE #22744
>> >>
>> >
>> >
>> >
>> > --
>> > Andrew Lee Lissitz
>> > all.from.nj@gmail.com
>> >
>>
>>
>>
>> --
>> Jonathan Greenwood II
>> CCIE #22744
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
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>>
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>>
>
>
> --
> My Blog URL: http://ccieno.blogspot.com/
> 

-- 
Andrew Lee Lissitz
all.from.nj@gmail.com

Blogs and organic groups at http://www.ccie.net

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