-------------------------------------------------------------- Router ISP -------------------------------------------------------------- en conf t host ISP int gig0/0 desc net25 no sh ip add 25.0.0.1 255.0.0.0 ex int gig0/1 desc net8 no sh ip add 8.0.0.1 255.0.0.0 ex router rip ver 2 netw 25.0.0.0 netw 8.0.0.0 netw 15.0.0.0 ex ip route 15.0.0.0 255.255.255.248 25.0.0.2 -------------------------------------------------------------- Router R0 -------------------------------------------------------------- en conf t host R0 int fa0/0 no sh desc LAN ip nat inside ip add 192.168.0.1 255.255.225.0 ex int fa0/1 no sh desc Internet ip nat outside ip add 25.0.0.2 255.0.0.0 ex ip route 0.0.0.0 0.0.0.0 fa0/1 ip NAT inside source static 192.168.0.4 15.0.0.4 ip NAT inside source static 192.168.0.5 15.0.0.5