From: Elton Fontaine (Elton_Fontaine@xxxxxxx)
Date: Sat Jan 20 2001 - 14:50:01 GMT-3
I forgot to specify a neighbor statement under the OSPF routing process.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Elton Fontaine
Sent: Saturday, January 20, 2001 9:16 AM
To: ccielab@groupstudy.com
Subject: OSPF Neighbor over ISDN
I am not able to get 2 routers to form an OSPF neighbor relationship over an
ISDN Line. In the past this has always worked. When the ISDN line comes us
the two routers form a neighbor relationship with the dead timer going to
null. I am able to ping across the link and a "Show ip ospf neigh" command
verifies that each neighbor sees int BRI 0 in area 10. Debug ip ospf neigh
and ospf lsa indicates that neither hello packets are not being received
over the isdn line.
Any ideas?
Thank you
Elton
The relevant configurations are as follows.
R5
interface BRI0
ip address 172.168.65.2 255.255.255.0
no ip directed-broadcast
encapsulation ppp
no ip route-cache
ip ospf network non-broadcast
ip ospf interface-retry 0
ip ospf demand-circuit
no ip mroute-cache
dialer map ip 172.168.65.1 broadcast 4671002
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0146720010
isdn spid2 0146720020
no cdp enable
!
router ospf 100
area 10 virtual-link 172.168.30.97
redistribute igrp 100 metric 10 metric-type 1 subnets
network 137.20.20.0 0.0.0.255 area 0
network 172.168.65.2 0.0.0.0 area 10
network 172.168.100.5 0.0.0.0 area 10
R6
interface BRI0
ip address 172.168.65.1 255.255.255.0
no ip directed-broadcast
encapsulation ppp
no ip route-cache
ip ospf network non-broadcast
ip ospf interface-retry 0
ip ospf demand-circuit
no ip mroute-cache
dialer map ip 172.168.65.2 broadcast 4672001
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0146710010
isdn spid2 0146710020
no cdp enable
!
router ospf 100
network 172.168.60.1 0.0.0.0 area 10
network 172.168.65.1 0.0.0.0 area 10
network 172.168.100.6 0.0.0.0 area 10
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