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

From: Jonathan Greenwood II (gwood83@gmail.com)
Date: Wed Feb 18 2009 - 18:13:51 ARST

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:
>>> http://www.groupstudy.com/list/CCIELab.html
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>> --
>> 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

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