simple OSPF config

configure terminal

Router ospf (process id) e.g. 1

Network (interface ip starting address) (wildcard) area 0

wildcard hint:

0.0.0.0 host address

0.0.0.3 subnet mask : /30 255.255.255.252

0.0.0.7 subnet mask: /29 255.255.255.248

0.0.0.15 subnet mask: /28 255.255.255.240

0.0.0.31 subnet mask: /27 255.255.255.224

0.0.0.63 subnet mask: /26 255.255.255.192

0.0.0.127 subnet mask: /25 255.255.255.128

0.0.0.255 subnet mask: /24 255.255.255.0

Copy the IOS from router to the PC

copy c1841-12-4.xxxx.bin tftp://192.168.0.2

IP address of PC 192.168.0.2

IP address of ethernet interface of router 192.168.0.1