From: Janto Cin (jantocin@datacomm.co.id)
Date: Wed Nov 06 2002 - 00:28:57 GMT-3
Hi,
I tried this scenario in my lab and it works.
R4(s0/0.1)-----(s0/0.1)R1(e0)------(e0)R2(s0)------(s0)R3
R4
-----
router ospf 1
network 172.10.10.0 0.0.0.63 area 0
R1
---- router ospf 1 area 0 range 172.10.10.0 255.255.255.0 network 172.10.10.0 0.0.0.63 area 0 network 172.10.20.0 0.0.0.255 area 1R2 ---- router ospf 1 redistribute igrp 10 subnets network 172.10.20.0 0.0.0.255 area 1 ! router igrp 10 redistribute ospf 1 metric 1000 100 255 1 1500 passive-interface Ethernet0 network 172.10.0.0
R3 ---- router igrp 10 network 172.10.0.0
All routers using IOS 12.1.
I've read Solie's at page 791 that state "you cannot summarize Area 0 or backbone area....", but the configurations above works. Do I miss something, please help me to clarify this. Thanks in advance.
Janto
-----Original Message----- From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of csc david Sent: Wednesday, November 06, 2002 10:02 AM To: Andrew Bratchell Cc: ccielab@groupstudy.com Subject: RE: redistibute between classful and classless
thanks. But when I put "area 0 range x.x.x.x 255.255.255.0" on router1, by r2's redistribution, why router3 cannot see the summary route? Andrew Bratchell <a.bratchell@caeuk.com> 5DU}ND#: Try this - I'm tired (ready for bed) so I haven't checked it properly. But this is a common sulution for VLSM issues. Another one is to use tunnel interfaces.
router ospf 1 redistribute igrp subnets network 172.10.20.2 0.0.0.0 area 1 ! router ospf 2 summary-address 172.10.10.0 255.255.255.0 redistribute ospf 1 subnets ! router igrp redistribute ospf 1 metric 1 redistribute ospf 2 metric 1 passive-interface Ethernet0 network 172.10.0.0
Andy
-----Original Message----- From: csc david [mailto:davidcsc2002@yahoo.com.cn] Sent: 06 November 2002 00:17 To: Adam Crisp Cc: ccielab@groupstudy.com Subject: RE: redistibute between classful and classless
I put area 0 range in router1, so the router2 can see the summary route, but it's point to null0, even by redistributing, router1's s0 route is still not seen by router3 . because router3 must see the router1's s0 route, so cannot use default-information originate. Adam Crisp 5DU}ND#: Is doing a default-information originate allowed on R2?
-----Original Message----- From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of csc david Sent: 05 November 2002 16:10 To: ccielab@groupstudy.com Subject: redistibute between classful and classless
here:
(s0)router1(e0)-----(e0)router2(s1)--------(s1)router3
router1: s0(172.10.10.1/255.255.255.192) e0(172.10.20.1/255.255.255.0)
router2: e0(172.10.20.2/255.255.255.0) s1(172.10.30.1/255.255.255.0)
router1's s0 in ospf area 0, router1's e0 and router2's e0 in ospf area 1, router2's s1 and router3's s1 in igrp, then redistribute them
on router2. So how can router3 see the route about router1's s0? in normal redistribution you cannot see this route, and you cannot
do it with static or null0 route. please help!
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