The original diagram of eryqmb states that we are only allowed to use RIP on R2, and OSPF on R3 and R4, so we should stick on that one. sorry for my first edited diagram that was wrong.
here it should be :
http://i410.photobucket.com/albums/p...frey/dsgn3.jpg
same as b4 they were given a static ip 203.172.11.0/30 by their ISP, configure so that everyone could access the internet...
work only on R1 to accomplish this...