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Configuring OSPF
OSPF Configuration Examples
IPC-254
Cisco IOS IP Configuration Guide
Figure 45 OSPF over On-Demand Circuit
Router A Configuration
username RouterB password 7 060C1A2F47
isdn switch-type basic-5ess
ip routing
!
interface TokenRing0
ip address 140.10.20.7 255.255.255.0
no shut
!
interface BRI0
no cdp enable
description connected PBX 1485
ip address 140.10.10.7 255.255.255.0
encapsulation ppp
ip ospf demand-circuit
dialer map ip 140.10.10.6 name RouterB broadcast 61484
dialer-group 1
ppp authentication chap
no shut
!
router ospf 100
network 140.10.10.0 0.0.0.255 area 0
network 140.10.20.0 0.0.0.255 area 0
!
dialer-list 1 protocol ip permit
Router B Configuration
username RouterA password 7 04511E0804
isdn switch-type basic-5ess
ip routing
!
interface Ethernet0
ip address 140.10.60.6 255.255.255.0
no shut
!
interface BRI0
no cdp enable
description connected PBX 1484
ip address 140.10.10.6 255.255.255.0
encapsulation ppp
dialer map ip 140.10.10.7 name RouterA broadcast 61485
dialer-group 1
ppp authentication chap
no shut
!
router ospf 100
network 140.10.10.0 0.0.0.255 area 0
network 140.10.60.0 0.0.0.255 area 0
!
dialer-list 1 protocol ip permit
Token
Ring
0
BRI 0 BRI 0
Ethernet 0
Router A Router B
14873