[c-nsp] EIGRP Adversing Problem

[Oliver Boehmer (oboehmer)]

Mark <mailto:mac at telvia.it> wrote on Wednesday, October 27, 2004 11:29
AM:

> I tried, without success, this config.
> 
> ip prefix-list private_IP permit 10.0.0.0/16
> router eigrp XXXX
> distribute-list prefix private_IP out
> 
> Now ALL my network are FILTERED.
> 
> Where i'm wrong???

what do you want to achieve exactly? announce only 10.0/16 networks and
suppress the rest? Your prefix list matches only the 10.0.0.0/16
network, more specfics are suppressed.. In case you want to announce the
more specifics subnets as well, use 
  ip prefix-list private_IP permit 10.0.0.0/16 le 32

	oli
 

> 
> On Oct 27, 2004, at 1:33 AM, Mark wrote:
> 
>> Oliver,
>> 
>> can you write down an example of distribute-lists out for a specific
>> network?
>> 
>> Mark
>> 
>> 
>> On Oct 26, 2004, at 7:59 PM, Oliver Boehmer ((oboehmer)) wrote:
>> 
>>> Jason Lixfeld <> wrote on Tuesday, October 26, 2004 7:38 PM:
>>> 
>>>> Use the eigrp router passive-interface command.
>>>> 
>>>> http://www.cisco.com/en/US/tech/tk365/tk207/
>>>> technologies_tech_note09186a0080093f0a.shtml
>>> 
>>> passive-interface will only prevent an EIGRP adjacency being formed
>>> over
>>> this link, the link address will still be advertised.. the only way
>>> to prevent this from happening was mentioned by Bruce earlier :
>>> 
>>>> Well, it depends.  You could adjust your "network" statements in
>>>> EIGRP
>>> to
>>>> not include that network or subnetwork.  Or you could use
>>> distribute-lists
>>>> to filter it out.
>>> 
>>> In halfway modern code (at least 12.2 and later, I think 12.1 as
>>> well) you can use "network <network> <wildcard>" to exactly specify
>>> the interfaces' addresses which you want to be covered by EIGRP..
>>> works similar to the way you setup OSPF..
>>> 
>>> 	oli
>>> 
>> 
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