From: Terry Lu (tlu@xxxxxxxxx)
Date: Sat Jan 05 2002 - 03:02:41 GMT-3
Hi,
If I create a tunnel , if it is OK ?
Regards,
Terry
>X-Originating-IP: [66.88.9.98]
>From: "scott mann" <smann0762@hotmail.com>
>To: pcazou@yahoo.fr, ccielab@groupstudy.com
>Subject: Re: OSPF summary & IOS version
>Date: Fri, 04 Jan 2002 18:57:54 -0800
>X-OriginalArrivalTime: 05 Jan 2002 02:57:54.0765 (UTC)
> FILETIME=[C5B35FD0:01C19594]
>Sender: nobody@groupstudy.com
>Reply-To: "scott mann" <smann0762@hotmail.com>
>
>It is easy, although we have all had to work through this one.
>
>Here is the simple answer for everyone who needs to know..it seems like
>this question gets asked every couple of days...
>
>First understand why it won't work
>1) Area Range command is for summarizing areas INTO backbone AREA 0!
>2) Summary Address command is for summarizing EXTERNAL or REDISTRIBUTED
>routes from outside the OSPF process running on your connected interfaces.
>
>You CANNOT summarize a connected interface which is participating in the
>main OSPF process with summary address, and since you are at a router
>running AREA 0, you cannot use the Area Range command.
>
>Solution on NEWER IOS 12.1;
>
>Create a second OSPF process;
>Router OSPF 999
> redistribute OSPF 10 subnets (MAIN OSPF PROCESS)
> summary-address x.x.x.x 255.255.255.0 (Class C or whatever you need)
>
>Redistribute second OSPF process into IGRP
>Router IGRP 10
> redistribute OSPF 999 metric x x x x x
>
>This works because you are redistributing an EXTERNAL route into OSPF 999
>(It is not active on any interface), so now you can summarize the route
>into OSPF 999, then redistribute into IGRP.
>
>You will see the summary in the redistributing router, and the IGRP route
>on the other router.
>
>HTH,
>Scott
>
>
>>From: Pierre Cazelles <pcazou@yahoo.fr>
>>Reply-To: Pierre Cazelles <pcazou@yahoo.fr>
>>To: ccielab@groupstudy.com
>>Subject: OSPF summary & IOS version
>>Date: Sat, 5 Jan 2002 01:17:26 +0100 (CET)
>>
>>hello group.
>>On my router, I've got a /28 interface that I announce
>>in an OSPF area 0. I wish to summarize this network in
>>/24 using OSPF.
>>On IOS 12.1(3), I use this configuration:
>>
>>interface e0
>> ip address 140.140.5.1 255.255.255.240
>>router ospf 110
>> network 140.140.5.0 0.0.0.15 area 0
>> summary-address 140.140.5.0 255.255.255.0
>> redistribute igrp 100
>>
>>After "clear ip os process", "clear ip route" and a
>>few seconds, the 140.140.5.0/24 summary route to "null
>>0" appears in routing table.
>>Note that I redistribute igrp 100, but I can take
>>whatever routing process I want (even if it doesn't
>>exist!): this command makes the router an ASBR and the
>>external LSA section appears in the database.
>>
>>This solution doesn't work for more recent IOS (I
>>tried 12.1(5) and 12.1(9)) and I have seen no
>>solution for these IOS in the archives. Anyone could
>>help me?
>>
>>
>>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:56:16 GMT-3