Re: filtering in eigrp

By the way ...

When you put in the passive command ... you can not create peers.
This way there is no traffic possible at all -- a strange but still
true kind of filtering ...
I know a little childish ... but still filtering ;-)

-- 
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 10:01 PM, Anthony Sequeira<asequeira_at_ine.com> wrote:
> 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
>>>>>
>>>>> _______________________________________________________________________
>>>>> Subscription information may be found at:
>>>>> http://www.groupstudy.com/list/CCIELab.html
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
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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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