Konfigurasi NAT pada Cisco

Konfigurasi NAT pada Cisco

1.  buat lah topologi seperti gambar diatas 
2. konfigurasi PC0 dengan ip 192.168.10.2/24
3. konfigurasi PC0 dengan ip 192.168.10.3/24
4. konfigurasi server dengan ip 192.168.20.2/24 dan konfigurasi juga dns server dengan nama natcisco.com
5.  konfigurasi pada Router0

Router>enable
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z. 
Router(config)#int g0/0 
Router(config-if)#ip ad 10.10.10.1 255.255.255.252 
Router(config-if)#no shutdown
Router(config-if)# %LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up 
Router(config-if)#exit 
Router(config)#int g 0/1 
Router(config-if)#ip ad 192.168.10.1 255.255.255.0 
Router(config-if)#no shutdown
Router(config-if)# %LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up 
Router(config-if)#exit 
Router(config)# %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up 
 
R0(config)#ip route 0.0.0.0 0.0.0.0 10.10.10.2 


6. konfigurasi pada Router1

Router>enable
Router#conf t
Router(config)#
Router(config)#int g 0/0
Router(config-if)#ip ad 10.10.10.2 255.255.255.252
Router(config-if)#no sh
Router(config-if)#exit
Router(config)#int g 0/1
Router(config-if)#ip ad 192.168.20.1 255.255.255.0
Router(config-if)#no sh
Router(config-if)#exit
Router(config)#
Router(config)#hosname R1
R1(config)#ip route 0.0.0.0 0.0.0.0 10.10.10.1
R1(config)#int g 0/1
R1(config-if)#ip nat ins
R1(config-if)#ip nat inside
R1(config-if)#ex
R1(config)#int g 0/0
R1(config-if)#ip nat out
R1(config-if)#ip nat outside
R1(config-if)#ex
R1(config)#ip nat inside source static 192.168.20.2 202.180.180.180

salam tutorial dari mtwoo
semoga bermanfaat, sampai ketemu di tutorial berikutnya