Configuration of point-to-point sub-interfaces in OSPF

R1 configuration:

Interface SERIAL1/1

IP address 172.16.1.1 255.255.255.0

Router OSPF 1

Network 172.16.1.0 0.0.0.255 Area 0

R2 configuration:

Interface SERIAL1/1

No IP address

Encapsulation Frame-relay

No Frame-relay inverse-arp

Interface serial1/1.1 Point-to-Point

IP address 192.168.1.1 255.255.255.0

Frame-relay INTERFACE-DLCI 101

Interface serial1/1.2 Point-to-Point

IP address 192.168.2.1 255.255.255.0

Frame-relay INTERFACE-DLCI 102

Router OSPF 1

Network 172.16.1.0 0.0.0.255 Area 0

R3 configuration:

Interface serial1/0

No IP address

Encapsulation Frame-relay

Interface serial1/0.1 Point-to-Point

IP address 192.168.1.2 255.255.255.0

Frame-relay Interface-dlci 202

Router OSPF 1

Network 192.168.1.0 0.0.0.255 Area 0

R4 configuration:

Interface serial1/0

No IP address

Encapsulation Frame-relay

!

Interface serial1/0.1 Point-to-Point

IP address 192.168.2.2 255.255.255.0

Frame-relay INTERFACE-DLCI 203

Router OSPF 2

Network 192.168.2.0 0.0.0.255 Area 0

This article is from the "Rista" blog, please be sure to keep this source http://rista.blog.51cto.com/2526140/601065