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4. NAT
configuration:
a) NAT overload:
On router GATE1 (HA NOI office) configure access-list
1 to permit all user on Ha Noi’s LAN connect toward the
Internet, using public IP address of interface G0/0 of router GATE 1
GATE1(config)#access-list
1 permit 10.1.1.0 0.0.0.255
GATE1(config)#access-list
1 permit 10.2.2.0 0.0.0.255
GATE1(config)#access-list
1 permit 192.168.123.0 0.0.0.255
GATE1(config)#access-list
1 permit 172.17.1.0 0.0.0.255
GATE1(config)#ip nat inside
source list 1 interface GigabitEthernet0/0 overload
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