IMPLEMENTASI
NAT STATIC (Materi Praktikum Cisco)
Topologi
dari LAB NAT Static
#. Keterangan:
- N=Network
- Background BIRU (Public)
- Background HIJAU (Private)
- 1.1 / 1.254 dll.= IP belakang dari
Network-nya.
#. IP Static NAT:
Private IP Public IP
- 192.168.1.1 50.1.1.1
- 192.168.1.2 50.1.1.2
- 192.168.1.3 50.1.1.3
#. Konfigurasi NAT:
#.
Router IDN1:
- Membuat IP
Router>enable
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#hostname idn1
idn1(config)#int se0/0/0
idn1(config-if)#ip add 10.0.0.1 255.255.0.0
idn1(config-if)#clock rate 64000
idn1(config-if)#no shut
idn1(config-if)#exit
idn1(config)#int fa 0/0
idn1(config-if)#ip add 192.168.1.254 255.255.255.0
idn1(config-if)#no shut
idn1(config-if)#int se0/0/0
idn1(config-if)#exit
-
Membat Nat
idn1(config)#ip nat inside source static 192.168.1.1 50.1.1.1
idn1(config)#ip nat inside source static 192.168.1.2 50.1.1.2
idn1(config)#ip nat inside source static 192.168.1.3 50.1.1.3
-
Implementasi NAT
idn1(config)#int fa0/0
idn1(config-if)#ip nat inside
idn1(config-if)#exit
idn1(config)#int se0/0/0
idn1(config-if)#ip nat outside
idn1(config-if)#exit
Membuat
Default Route
idn1(config)#ip route 0.0.0.0 0.0.0.0 10.0.0.2
#. Router ISP1:
- Membuat IP
Router>enable
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int se 0/0/0
Router(config-if)#ip add 10.0.0.2 255.255.0.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
Router(config-if)#int fa0/0
Router(config-if)#ip add 202.134.1.254 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Membuat static route
Router(config)#ip route 50.0.0.0 255.0.0.0 10.0.0.1
#. Verivykasi:
Sebelum
Verivykasi Buatlah IP pada masing – masing PC kemudian lakukan Ping terlebih
dahulu pada PC1a-PC1c ke PC ISP,
- PING PC1a ke PC
ISP1a
PC>ping 202.134.1.2
Pinging 202.134.1.2 with 32 bytes of data:
Reply from 202.134.1.2: bytes=32 time=2ms TTL=126
Reply from 202.134.1.2: bytes=32 time=2ms TTL=126
Reply from 202.134.1.2: bytes=32 time=6ms TTL=126
Reply from 202.134.1.2: bytes=32 time=1ms TTL=126
Ping statistics for 202.134.1.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 6ms, Average = 2ms
Kemudian cek dengan command berikut (Router idn1)
idn1(config)#do sh ip nat trans
Pro Inside global Inside local Outside local Outside global
icmp 50.1.1.1:1 192.168.1.1:1 202.134.1.1:1 202.134.1.1:1
icmp 50.1.1.1:2 192.168.1.1:2 202.134.1.1:2 202.134.1.1:2
icmp 50.1.1.1:3 192.168.1.1:3 202.134.1.1:3 202.134.1.1:3
icmp 50.1.1.1:4 192.168.1.1:4 202.134.1.1:4 202.134.1.1:4
icmp 50.1.1.1:5 192.168.1.1:5 202.134.1.1:5 202.134.1.1:5
icmp 50.1.1.1:6 192.168.1.1:6 202.134.1.1:6 202.134.1.1:6
icmp 50.1.1.1:7 192.168.1.1:7 202.134.1.1:7 202.134.1.1:7
icmp 50.1.1.1:8 192.168.1.1:8 202.134.1.1:8 202.134.1.1:8
--- 50.1.1.1 192.168.1.1 --- ---
--- 50.1.1.2 192.168.1.2 --- ---
--- 50.1.1.3 192.168.1.3 --- ---