From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Sat Mar 18 2006 - 11:58:31 GMT-3
try a form of summarization
________________________________
From: nobody@groupstudy.com on behalf of Alexei Monastyrnyi
Sent: Fri 3/17/2006 6:04 PM
To: Mushtaq A. Khan; ccielab@groupstudy.com
Subject: Re: loopbacks /24 without ip ospf networ or redistribute
you have to have a /24 mask on Loopback interface for "redistribute
connected" to work the way you want...
----- Original Message -----
From: "Mushtaq A. Khan" <mak.ccie2b@gmail.com>
To: <ccielab@groupstudy.com>
Sent: Friday, March 17, 2006 9:57 PM
Subject: Re: loopbacks /24 without ip ospf networ or redistribute
>I tried to test it by only using "redistribute connected " but it is still
> being advertised as /32. How could I advertise this loopback as /24
> without
> changing the network type and summarization? Also, is it possible to
> advertise this as /24 to only one router and /32 to others in a non-zero
> area?
>
> Here is my configuration.
>
> R2#
> interface Loopback2
> ip address 2.2.2.2 255.255.255.255
> !
>
> router ospf 1
> router-id 172.16.2.2
> log-adjacency-changes
> redistribute connected subnets route-map CONNECTED
> !
> access-list 2 permit 2.2.2.0 0.0.0.255
> !
> route-map CONNECTED permit 10
> match ip address 2
> !
>
>
> R3#sh ip route 2.0.0.0
> Routing entry for 2.0.0.0/32, 1 known subnets
> O E2 2.2.2.2 [110/20] via 172.16.12.2, 00:03:39, Serial0/0.1
>
> TIA,
> Mushtaq
>
>
>
>
>
> On 3/7/06, hulbertj@comcast.net <hulbertj@comcast.net> wrote:
>>
>> Yev,
>>
>> Advertise the Loopback interface under the OSPF routing process and leave
>> the OSPF network type as it's default (p2p), but place into another OSPF
>> area. Then use the "area X range 10.10.10.0 255.255.255.0" command to
>> change it as a /24. (X being the area that you advertised the loopback
>> interface in)
>>
>> For example, if 10.10.10.10/24 was the ip address of my loopback
>> interface,
>> router ospf 1
>> network 10.10.10.10 0.0.0.0 area 10
>> area 10 range 10.10.10.0 255.255.255.0
>>
>> Jerry
>>
>> -------------- Original message --------------
>> From: "Evgeniy Voloshin" <e.voloshin@equant.ru>
>>
>> > Hi group,
>> >
>> > I want to know what is the third metod to advertise /24 loopback into
>> > ospf, if I can not use
>> > ip ospf network
>> > redisribute
>> >
>> > May be it is area range or summary route?
>> > What is limitation are, if I use this command? May be I see /24 only in
>> > some areas?
>> >
>> > TIA!
>> >
>> > ---
>> > Yev.
>> >
>> > _______________________________________________________________________
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