hostname R1
interface FastEthernet0/0
ip address 10.1.1.1 255.255.255.0
interface FastEthernet0/1
ip address 20.1.1.1 255.255.255.0
interface FastEthernet1/0
ip address 192.168.12.1 255.255.255.0
router rip
version 2
network 10.0.0.0
network 20.0.0.0
network 192.168.12.0
no auto-summary
hostname R2
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
interface FastEthernet0/1
ip address 172.16.1.1 255.255.255.0
router rip
version 2
network 172.16.0.0
network 192.168.12.0
no auto-summary
access-list 1 deny 20.1.1.0 0.0.0.255
access-list 1 permit any
access-list 2 permit 192.168.12.1
access-list 2 deny any
line vty 0 4
access-class 2 in
password gns3
login
set pcname PC1
ip 10.1.1.10 10.1.1.1 24
set pcname PC2
ip 20.1.1.10 20.1.1.1 24
s