Re: filtering in eigrp

No apologies necessary - we all have it happen. :-)

Thanks for the link by the way - that is the kind of document that
Cisco likes to compose Core Knowledge questions from!

Warmest Regards,

Anthony J. Sequeira, CCIE #15626
http://www.INE.com

Test your Core Knowledge today!
Q: What is the IGMP version designed to work with PIM SSM?
A: Version 3
More Info: http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtmcxacl.html

On Sep 7, 2009, at 3:58 PM, Iwan Hoogendoorn wrote:

> Hi,
>
> Yes I was a little too quick with the passive interface comment ...
> I once read this document:
> http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f0a.shtml
>
> Where it was done with the distribute list ... but it got the
> information from the passive interface guide ...from the link ... so I
> was a little confused ;-)
> Sorry bout that fella's
>
> --
> Regards,
>
> Iwan Hoogendoorn
> CCIE #13084 (R&S / Security / SP)
> Sr. Support Engineer  IPexpert, Inc.
> URL: http://www.IPexpert.com
>
> On Mon, Sep 7, 2009 at 9:36 PM, Anthony Sequeira<asequeira_at_ine.com>
> wrote:
>> Yeah - Iwan needs to revisit the use of passive interface and
>> EIGRP, or let
>> us in on the secret here. :-)
>>
>> The behavior described below seems relevant for RIP v2, not EIGRP.
>>
>> Here are my foremost option ideas for EIGRP prefix filtering:
>>
>> EIGRP
>> Do Not Accept Prefixes  EIGRP
>> Option 1  offset-list
>> Option 2  distribute-list  can reference route-maps as well
>> Option 3  administrative distance
>> Option 4  metric maximum
>>
>> Warmest Regards,
>>
>> Anthony J. Sequeira, CCIE #15626
>> http://www.INE.com
>>
>> Test your Core Knowledge today!
>> Q: How many levels of nested policers is supported with MQC?
>> A: three
>> More Info:
>> http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/hierpol.html
>>
>>
>> On Sep 7, 2009, at 2:09 PM, Mohamed El Henawy wrote:
>>
>>> Sorry for brining this thread out of the dead
>>>
>>> how can we use passive interface ...neighborship will go down
>>>
>>>
>>> ----- Original Message ----- From: "Iwan Hoogendoorn" <iwan_at_ipexpert.com
>>> >
>>> To: "Mark Matters" <markccie_at_gmail.com>
>>> Cc: "Cisco certification" <ccielab_at_groupstudy.com>
>>> Sent: Friday, August 21, 2009 7:15 PM
>>> Subject: Re: filtering in eigrp
>>>
>>>
>>>> Dear Mark,
>>>>
>>>> You can filter EIGRP in the ways you provided
>>>>
>>>> - distribute-list
>>>> - redistribution with a route-map that looks at al prefix-list
>>>> and/or
>>>> an access-list or you can even tag the route
>>>> - do a summery route
>>>>
>>>> But you can also go for the passive-interface command.
>>>> This way you only can only receive routes from your EIGRP neighbour
>>>> but not send anytin at all ... which is a kind of filtering in
>>>> the end
>>>> ;-)
>>>>
>>>>
>>>> --
>>>> Regards,
>>>>
>>>> Iwan Hoogendoorn
>>>> CCIE #13084 (R&S / Security / SP)
>>>> Sr. Support Engineer IPexpert, Inc.
>>>> URL: http://www.IPexpert.com
>>>>
>>>>
>>>>
>>>> On Fri, Aug 21, 2009 at 5:57 PM, Mark Matters<markccie_at_gmail.com>
>>>> wrote:
>>>>>
>>>>> How many ways can I filter routes in EIGRP?
>>>>>
>>>>> distribute-list
>>>>> redistribute / route-map / acl / ip prefix
>>>>> summary
>>>>>
>>>>>
>>>>> Are there any other ways?
>>>>>
>>>>>
>>>>> Blogs and organic groups at http://www.ccie.net
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>>
>>>> Iwan Hoogendoorn
>>>> CCIE #13084 (R&S / Security / SP)
>>>> Sr. Support Engineer IPexpert, Inc.
>>>> URL: http://www.IPexpert.com
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
>>>> _______________________________________________________________________
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>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
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>>
>>
>
>
>
> --
> Regards,
>
> Iwan Hoogendoorn
> CCIE #13084 (R&S / Security / SP)
> Sr. Support Engineer  IPexpert, Inc.
> URL: http://www.IPexpert.com

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Received on Mon Sep 07 2009 - 16:01:31 ART