NAT（網絡地址轉換）入門教程

圖1-1

視屏：https://www.xiaobaiseo.top/wp-content/uploads/2018/07/20180717_190701.mp4

basic NAT

[NAT]acl basic 2000

NAT-acl-ipv4-basic-2000]rule 5 permit source 192.168.1.0 0.0.0.255

[NAT]nat address-group 1

[NAT-address-group-1]add 10.1.12.3 10.1.12.3

[NAT-GigabitEthernet0/1]nat outbound 2000 address-group 1 no-pat

napt NAT

[NAT]acl basic 2000

NAT-acl-ipv4-basic-2000]rule 5 permit source 192.168.1.0 0.0.0.255

[NAT]nat address-group 1

[NAT-address-group-1]add 10.1.12.3 10.1.12.10

[NAT-GigabitEthernet0/1]nat outbound 2000 address-group 1

easy NAT

[NAT]acl basic 2000

[NAT-acl-ipv4-basic-2000]rule 5 permit source 192.168.1.0 0.0.0.255

[NAT-GigabitEthernet0/1] nat outbound 2000 #出接口應用

nat server

nat server protocol tcp global 10.1.12.1 20 inside 192.168.1.2 20

nat server protocol tcp global 10.1.12.1 21 inside 192.168.1.2 21

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