okay, I made a mistake in the area range command - I used the wrong area.
with the correct area range command, this is what I get
(on R4)
router ospf 1
area 0 authentication
area 1 virtual-link 212.1.22.33
area 4 range 200.100.100.0 255.255.255.0 ! made this correction
area 10 authentication message-digest
network 172.17.1.0 0.0.0.255 area 10
network 200.100.100.16 0.0.0.7 area 4
network 212.1.22.0 0.0.0.15 area 0
network 212.1.22.64 0.0.0.63 area 1
termsrv#sh ip ro
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 24.21.8.193 to network 0.0.0.0
1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback100
20.0.0.0/16 is subnetted, 1 subnets
O IA 20.20.0.0 [110/1792] via 172.17.1.1, 01:32:30, Serial0
200.100.100.0/24 is variably subnetted, 3 subnets, 3 masks
O IA 200.100.100.8/29 [110/2655] via 172.17.1.1, 01:32:30, Serial0
O IA 200.100.100.0/24 [110/1786] via 172.17.1.1, 00:03:36, Serial0 !
got this change
O IA 200.100.100.1/32 [110/2655] via 172.17.1.1, 01:32:30, Serial0
172.17.0.0/24 is subnetted, 3 subnets
C 172.17.50.0 is directly connected, Loopback0
S 172.17.4.0 is directly connected, Null0
C 172.17.1.0 is directly connected, Serial0
24.0.0.0/26 is subnetted, 1 subnets
C 24.21.8.192 is directly connected, Ethernet0
192.168.1.0/32 is subnetted, 1 subnets
C 192.168.1.2 is directly connected, Loopback101
212.1.22.0/24 is variably subnetted, 3 subnets, 3 masks
O IA 212.1.22.64/26 [110/1791] via 172.17.1.1, 01:32:30, Serial0
O IA 212.1.22.0/28 [110/2654] via 172.17.1.1, 01:32:30, Serial0
O IA 212.1.22.33/32 [110/1792] via 172.17.1.1, 01:32:30, Serial0
S* 0.0.0.0/0 [1/0] via 24.21.8.193
----- Original Message -----
From: "routerjocky" <elouie@xxxxxxxxx>
To: <ccielab@xxxxxxxxxxxxxx>
Sent: Friday, September 21, 2001 10:33 AM
Subject: OSPF summarizing IA routes
> I haven't thought about it fully yet, but I'm wondering...how would one
> summarize a bunch of Inter-Area routes in OSPF? Using a different routing
> protocol is not the solution I'm looking for (unless it's the only way)
>
> I've extended FatKid 401 to add another router off R4's serial interface
in
> area 10. Without realizing that 200.100.100.0/24 is in 3 different areas,
I
> config'ed an area 0 range command, and that didn't work. No time to think
> about it now, so I figured I'd toss it out there for you guru's to help me
> with it. Nothing comes to mind right off the bat.
>
> Thoughts from anyone who's tried this and succeeded? or failed? ;-)
>
> -e-
>
> from R4:
> router ospf 1
> area 0 authentication
> area 0 range 200.100.100.0 255.255.255.0
> area 1 virtual-link 212.1.22.33
> area 10 authentication message-digest
> network 172.17.1.0 0.0.0.255 area 10
> network 200.100.100.16 0.0.0.7 area 4
> network 212.1.22.0 0.0.0.15 area 0
> network 212.1.22.64 0.0.0.63 area 1
>
> R4# sh ip ro
> Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
> area
> * - candidate default, U - per-user static route, o - ODR
> P - periodic downloaded static route
>
> Gateway of last resort is 172.17.1.2 to network 0.0.0.0
>
> 20.0.0.0/16 is subnetted, 1 subnets
> O IA 20.20.0.0 [110/7] via 212.1.22.66, 00:15:06, TokenRing0
> 200.100.100.0/24 is variably subnetted, 3 subnets, 2 masks
> O IA 200.100.100.8/29 [110/870] via 212.1.22.2, 00:15:06, Serial4
> O IA 200.100.100.1/32 [110/870] via 212.1.22.1, 00:15:06, Serial4
> C 200.100.100.16/29 is directly connected, Loopback0
> 172.17.0.0/24 is subnetted, 1 subnets
> C 172.17.1.0 is directly connected, Serial5
> 212.1.22.0/24 is variably subnetted, 3 subnets, 3 masks
> C 212.1.22.64/26 is directly connected, TokenRing0
> C 212.1.22.0/28 is directly connected, Serial4
> O IA 212.1.22.33/32 [110/7] via 212.1.22.66, 00:15:07, TokenRing0
> O*E1 0.0.0.0/0 [110/1786] via 172.17.1.2, 00:15:07, Serial5
> R4#
>
> on the other side of the serial link:
>
> termsrv#sh ip ro
> Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
> area
> * - candidate default, U - per-user static route, o - ODR
> P - periodic downloaded static route
>
> Gateway of last resort is 24.21.8.193 to network 0.0.0.0
>
> 1.0.0.0/32 is subnetted, 1 subnets
> C 1.1.1.1 is directly connected, Loopback100
> 20.0.0.0/16 is subnetted, 1 subnets
> O IA 20.20.0.0 [110/1792] via 172.17.1.1, 00:03:19, Serial0
> 200.100.100.0/24 is variably subnetted, 3 subnets, 2 masks
> O IA 200.100.100.8/29 [110/2655] via 172.17.1.1, 00:03:19, Serial0
> O IA 200.100.100.1/32 [110/2655] via 172.17.1.1, 00:03:19, Serial0
> O IA 200.100.100.16/29 [110/1786] via 172.17.1.1, 00:03:19, Serial0
> 172.17.0.0/24 is subnetted, 3 subnets
> C 172.17.50.0 is directly connected, Loopback0
> S 172.17.4.0 is directly connected, Null0
> C 172.17.1.0 is directly connected, Serial0
> 24.0.0.0/26 is subnetted, 1 subnets
> C 24.21.8.192 is directly connected, Ethernet0
> 192.168.1.0/32 is subnetted, 1 subnets
> C 192.168.1.2 is directly connected, Loopback101
> 212.1.22.0/24 is variably subnetted, 3 subnets, 3 masks
> O IA 212.1.22.64/26 [110/1791] via 172.17.1.1, 00:03:21, Serial0
> O IA 212.1.22.0/28 [110/2654] via 172.17.1.1, 00:03:21, Serial0
> O IA 212.1.22.33/32 [110/1792] via 172.17.1.1, 00:03:21, Serial0
> S* 0.0.0.0/0 [1/0] via 24.21.8.193
> termsrv#
> **Please read:http://www.groupstudy.com/list/posting.html
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