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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-42
Configure point-to-multipoint network between A, B and C.
Detailed configurations
If the interface is configured with point-to-multipoint network type, and there is no
process of designed router election, than OSPF operations are very similar to the
behaviors of point-to-point network type.
Configurations on Device A:
# Configure Ethernet interface
interface FastEthernet 0/0
ip address 192.168.12.1 255.255.255.0
# Configure WAN interface
interface Serial 1/0
ip address 192.168.123.1 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
# Configure OSPF routing protocol
router ospf 1
network 192.168.12.0 0.0.0.255 area 0
network 192.168.123.0 0.0.0.255 area 0
Configurations on device B:
# Configure Ethernet interface
interface FastEthernet 0/0
ip address 192.168.23.2 255.255.255.0
# Configure WAN interface
interface Serial 1/0
ip address 192.168.123.2 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
# Configure OSPF routing protocol
router ospf 1
network 192.168.23.0 0.0.0.255 area 0
network 192.168.123.0 0.0.0.255 area 0
Configurations on device C:
# Configure Ethernet interface
interface FastEthernet 0/0
ip address 192.168.23.3 255.255.255.0