From: Kevin Young (kvyoung@xxxxxxxx)
Date: Sat May 13 2000 - 01:55:49 GMT-3
I think it should work, the summary address enter into ospf's route table, then
redistribute into r6's igrp, beacuse it has the same subnet mask(/24) with the
interface s0.24, so it would advertise to r3, so it work, if you summary anoth
er address without /24 mask, it shouldn't advertise to r3.
----- Original Message -----
From: Aaron DuShey <adushey@yahoo.com>
To: CCIE (E-mail) <ccielab@groupstudy.com>
Sent: Saturday, May 13, 2000 6:42 AM
Subject: ospf to igrp-again
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_r
> /iprprt2/1rdospf.htm#xtocid1900236
> this link states summary-address only works incoming? but below shows
> different
>
> Here's the deal
> r6-e0-ospf area 0 add 170.100.42.240 /28
> r6 s0.204 igrp a/s 1 add 170.100.63.x /24
> r3-frame relay via physical interface s0/0 to r6's s0.204 - igrp cloud only
> with /24 mask
>
> I am thinking this isn't supposed to work, so, if it isn't the correct
> solution, can someone tell me what is? This is without using IP
> Default-network as I (am supposed) to have no external IP net's to reference
> besides the 170.100.x.x network-
> I have rebooted multiple times and the route is showing up in the IGRP cloud
> with /24 mask-
> here's the routing table and config's
> What I see happening is OSPF creating a summary route and then
> redistributing that summary route-?
>
> r6
> router ospf 1
> summary-address 170.100.42.0 255.255.255.0
> redistribute igrp 1 metric 50 subnets
> passive-interface Ethernet0
> passive-interface Serial0.204
> network 170.100.42.0 0.0.0.255 area 0
> network 170.100.46.0 0.0.0.255 area 0
> distribute-list 1 out rip
> !
> router igrp 1
> redistribute ospf 1 metric 10000 1 255 1 1500
> passive-interface Ethernet0
> passive-interface Serial0.200
> network 170.100.0.0
> distribute-list 2 out ospf 1
>
> r6 routing table
> 170.100.0.0/16 is variably subnetted, 14 subnets, 3 masks
> I 170.100.200.0/24 [100/8576] via 170.100.63.2, 00:00:10, Serial0.204
> C 170.100.42.240/28 is directly connected, Ethernet0
> O E2 170.100.150.0/24 [110/50] via 170.100.46.3, 00:15:17, Serial0.200
> O E2 170.100.4.0/24 [110/50] via 170.100.46.1, 00:15:17, Serial0.200
> O IA 170.100.2.0/24 [110/11176] via 170.100.46.3, 00:15:17, Serial0.200
> C 170.100.46.0/24 is directly connected, Serial0.200
> O 170.100.46.1/32 [110/64] via 170.100.46.1, 00:15:17, Serial0.200
> O IA 170.100.45.0/24 [110/74] via 170.100.46.3, 00:15:17, Serial0.200
> [110/74] via 170.100.46.1, 00:15:17, Serial0.200
> O 170.100.46.3/32 [110/64] via 170.100.46.3, 00:15:17, Serial0.200
> O 170.100.42.0/24 is a summary, 00:16:32, Null0
> C 170.100.63.0/24 is directly connected, Serial0.204
> O IA 170.100.56.0/28 [110/1626] via 170.100.46.1, 00:14:35, Serial0.200
> O IA 170.100.52.0/24 [110/11175] via 170.100.46.3, 00:15:18, Serial0.200
> I 170.100.51.0/24 [100/8976] via 170.100.63.2, 00:00:12, Serial0.204
> 1.0.0.0/24 is subnetted, 1 subnets
> C 1.1.1.0 is directly connected, Ethernet0
>
> r3
> router igrp 1
> passive-interface Ethernet0/0
> passive-interface TokenRing0/0
> network 170.100.0.0
> distribute-list 1 out Serial0/0
>
> R3 routing table
>
> Gateway of last resort is not set
>
> 170.100.0.0/16 is variably subnetted, 11 subnets, 2 masks
> C 170.100.200.0/24 is directly connected, Ethernet0/0
> I 170.100.150.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> I 170.100.4.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> I 170.100.2.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> I 170.100.46.0/24 [100/10476] via 170.100.63.1, 00:00:27, Serial0/0
> I 170.100.45.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> I 170.100.42.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> C 170.100.63.0/24 is directly connected, Serial0/0
> C 170.100.56.0/28 is directly connected, BRI0/0
> I 170.100.52.0/24 [100/8477] via 170.100.63.1, 00:00:27, Serial0/0
> C 170.100.51.0/24 is directly connected, Virtual-TokenRing2
> B 205.15.150.0/24 [20/0] via 170.100.200.7, 00:16:44
> B 170.0.0.0/8 [200/0] via 0.0.0.0, 00:16:51, Null0
>
>
> Aaron DuShey
>
>
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