RT3(To Exclude Connected IP Prefixes from LSA Advertisements)

RT3:

Conf t
!
Int eth 0/0
Ip add 192.168.3.3 255.255.255.0
No shut
!
Int eth 0/1
Ip add 192.168.23.3 255.255.255.0
No shut
!
Int lo 0
Ip add 3.3.3.3 255.255.255.255
!
Router ospf 100
Net 0.0.0.0 255.255.255.255 area 0
!
End