From: Bruce Williams (bruce@xxxxxxxxxxxxxxxxxxxxxx)
Date: Thu Aug 22 2002 - 09:42:34 GMT-3
You need a virtual link from Router C to Router A.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Roger Huang
Sent: Thursday, August 22, 2002 12:59 AM
To: ccielab@groupstudy.com
Subject: RE: OSPF route missing
Here is the diagram and config:
A---10.1.1.0/30-- B --10.1.1.4/30 -- C
|___ area 0_______|_____area 1_______|
The problem is on C. The route in question 1.1.1.1 shows up in RtrB.
Thanks.
RtrB routing table:
1.0.0.0/32 is subnetted, 1 subnets
O E2 1.1.1.1 [110/20] via 10.1.1.1, 00:00:22, Ethernet0
Configs:
RtrA:
interface Loopback25
ip address 1.1.1.1 255.255.255.255
!
interface Ethernet0
ip address 10.1.1.1 255.255.255.252
router ospf 2010
router-id 1.1.1.1
log-adjacency-changes
redistribute connected subnets tag 12
network 10.1.1.0 0.0.0.3 area 0
!
RtrB
!
interface Loopback25
ip address 2.2.2.2 255.255.255.255
!
interface Ethernet0
ip address 10.1.1.2 255.255.255.252
!
interface Ethernet1
ip address 10.1.1.5 255.255.255.252
router ospf 2010
router-id 2.2.2.2
network 10.1.1.0 0.0.0.3 area 0
network 10.1.1.4 0.0.0.3 area 1
!
RtrC
!
interface Loopback25
ip address 3.3.3.3 255.255.255.255
!
interface Ethernet0
ip address 10.1.1.6 255.255.255.252
no ip mroute-cache
media-type 10BaseT
!
router ospf 2010
router-id 3.3.3.3
network 10.1.1.4 0.0.0.3 area 1
!
-----Original Message-----
From: Roger Huang
Sent: Wednesday, August 21, 2002 8:40 PM
To: ccielab@groupstudy.com
Subject: OSPF route missing
Hi all,
I have a strange problem: route 1.1.1.1 is present in "show ip ospf
database" output as a LSA type5, but it does not show up in the routing
table. Any ideas?
Thanks
4000#sh ip ospf d
OSPF Router with ID (192.0.0.40) (Process ID 20101)
OSPF Router with ID (3.3.3.3) (Process ID 2010)
<text ommited.
Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
1.1.1.1 1.1.1.1 1899 0x80000015 0x4C2C 12
4000#show ip route
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 not set
3.0.0.0/32 is subnetted, 1 subnets
C 3.3.3.3 is directly connected, Loopback25
156.26.0.0/24 is subnetted, 2 subnets
R 156.26.32.0 [120/1] via 192.0.0.2, 00:00:11, Ethernet1
R 156.26.33.0 [120/1] via 192.0.0.2, 00:00:11, Ethernet1
10.0.0.0/30 is subnetted, 2 subnets
O IA 10.1.1.0 [110/20] via 10.1.1.5, 00:05:38, Ethernet0
C 10.1.1.4 is directly connected, Ethernet0
C 192.0.0.0/24 is directly connected, Ethernet1
4000#
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