BSCI - OSPF - Network Types - Point-to-Multipoint Non-Broadcast

Point-to-Multipoint Non-Broadcast:

• Cisco proprietary
• Single subnet required
• No DR/BDR elected
• Neighbors specifically configured - this is the difference between standard and Cisco Point-to-Multipoint

Configuration:

R1(config)#interface Serial0

R1(config-if)#ip address 192.168.10.1 255.255.255.0

R1(config-if)#ip ospf network point-to-multipoint non-broadcast

R1(config-if)#encapsulation frame-relay

R1(config-if)#frame-relay local-dlci 100

R1(config-if)#frame-relay map ip 192.168.10.2 102

R1(config-if)#frame-relay map ip 192.168.10.3 103

R1(config-if)#frame-relay map ip 192.168.10.4 104

R1(config-if)#no shut

!

R1(config)#router ospf 1

R1(config-router)#network 192.168.10.0 0.0.0.255 area 0

R1(config-router)#neighbor 192.168.10.2

R1(config-router)#neighbor 192.168.10.3

R1(config-router)#neighbor 192.168.10.4

!

On R2:

R2(config)#interface S0/0

R2(config-if)#ip address 192.168.10.2 255.255.255.0

R2(config-if)#encapsulation frame-relay

R2(config-if)#ip ospf network point-to-multipoint non-broadcast

R2(config-if)#frame-relay local-dlci 201

R2(config-if)#frame-relay map ip 192.168.10.1 201

R2(config-if)#no shut

!

R2(config)#router ospf 1

R2(config-routrer)#network 10.0.1.0 0.0.0.255 area 0

!