I'm gonna take a shot:
On R2 if you add:
ip route 172.17.59.96 255.255.255.240 null 0
and under igrp add:
redistribute static
R4 should get the 172.17.59.96/28 route and send the traffic to R2.
Once it gets to R2 the more specific routes with the /29 & /30 masks
should forward it into the OSPF domain.
I'm pretty sure this will do it.. :)
DaveC
"Virnoche, Phil" wrote:
>
> Here is my problem:
>
> The major network is 172.17.0.0
> (OSPF domain with /28, /29, /30) R2 -----IGRP link/28------ R4 (IGRP domain
> /28)
>
> Mutual redistribution at R1... knowing that I have only 1 network (variably
> subnetted) how can I get a "default network" in R2 and make the whole
> network reachable from R4 ?????
>
> r2#sho ip rou
> Gateway of last resort is not set
>
> 172.17.0.0/16 is variably subnetted, 9 subnets, 3 masks
> C 172.17.59.0/28 is directly connected, Serial0/0
> C 172.17.59.16/28 is directly connected, BRI0/0
> C 172.17.59.32/28 is directly connected, FastEthernet0/0
> C 172.17.59.48/28 is directly connected, Serial0/1
> O IA 172.17.59.64/28 [110/112] via 172.17.59.3, 07:50:24, Serial0/0
> I 172.17.59.80/28 [100/8576] via 172.17.59.50, 00:01:04, Serial0/1
> O IA 172.17.59.96/29 [110/70] via 172.17.59.3, 07:50:24, Serial0/0
> O IA 172.17.59.108/30 [110/118] via 172.17.59.3, 07:50:25, Serial0/0
> O IA 172.17.59.104/30 [110/65] via 172.17.59.1, 07:50:25, Serial0/0
>
> r4#sho ip rou
>
> Gateway of last resort is not set
>
> 172.17.0.0/28 is subnetted, 6 subnets
> I 172.17.59.0 [100/10476] via 172.17.59.49, 00:00:18, Serial0
> I 172.17.59.16 [100/160250] via 172.17.59.49, 00:00:18, Serial0
> I 172.17.59.32 [100/8486] via 172.17.59.49, 00:00:18, Serial0
> C 172.17.59.48 is directly connected, Serial0
> I 172.17.59.64 [100/8576] via 172.17.59.49, 00:00:18, Serial0
> C 172.17.59.80 is directly connected, Ethernet0
>
> Philip G. Virnoche
> Sr. Network Engineer - AT&T Wireless
> phone: 425.580.5239
> cell: 206.601.3134
>
> "HAM AND EGGS - A day's work for a chicken; A lifetime commitment for a
> pig."
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