【初級篇】華為NAT技術(靜態NAT)
R1是公司出口路由器(私網),R2是運營商的路由器(公網)
SW1配置:
[Huawei]sysnameSW1
[SW1]vlanbatch1020
[SW1]inte0/0/1
[SW1-Ethernet0/0/1]porthybridpvidvlan10
[SW1-Ethernet0/0/1]porthybriduntaggedvlan10
[SW1-Ethernet0/0/1]inte0/0/2
[SW1-Ethernet0/0/2]porthybridpvidvlan10
[SW1-Ethernet0/0/2]porthybriduntaggedvlan10
[SW1-Ethernet0/0/2]inte0/0/3
[SW1-Ethernet0/0/3]porthybridpvidvlan20
[SW1-Ethernet0/0/3]porthybriduntaggedvlan20
[SW1-Ethernet0/0/3]inte0/0/4
[SW1-Ethernet0/0/4]porthybridpvidvlan20
[SW1-Ethernet0/0/4]porthybriduntaggedvlan20
[SW1]intg0/0/1
[SW1-GigabitEthernet0/0/1]porthybridtaggedvlan1020
R1配置:(做單臂路由)
[Huawei]sysnameR1
[R1]intg0/0/0.10
[R1-GigabitEthernet0/0/0.10]dot1qterminationvid10
[R1-GigabitEthernet0/0/0.10]ipadd192.168.10.124
[R1]dhcpenable
[R1]intg0/0/0.10
[R1-GigabitEthernet0/0/0.10]dhcpselectinterface
[R1-GigabitEthernet0/0/0.10]arpbroadcastenable
[R1-GigabitEthernet0/0/0.10]intg0/0/0.20
[R1-GigabitEthernet0/0/0.20]dot1qterminationvid20
[R1-GigabitEthernet0/0/0.20]ipadd192.168.20.124
[R1-GigabitEthernet0/0/0.20]arpbroadcastenable
[R1-GigabitEthernet0/0/0.20]dhcpselectinterface
給R1另一個介面配IP地址
[R1]intg0/0/1
[R1-GigabitEthernet0/0/1]ipadd12.0.0.124
[R1]iproute-static0.0.0.00.0.0.012.0.0.2
NAT(靜態,動態,PAT)
靜態是指一對一
一個私網地址需要一個公網來對映它
R2配置:(要全網互通,R2不可能知道私網的地址)
[Huawei]sysnameR2
[R2]intg0/0/0
[R2-GigabitEthernet0/0/0]ipadd12.0.0.224
在R1上配置NAT
[R1]intg0/0/1
[R1-GigabitEthernet0/0/1]ipaddress12.0.0.1255.255.255.0
[R1-GigabitEthernet0/0/1]natstaticglobal8.8.8.8inside192.168.10.254netmask255.255.255.255(在出口處做一條靜態NAT使內部地址192.168.10.254轉換為8.8.8.8)
[R2]iproute-static8.8.8.83212.0.0.1(在公網裝置上指一條到達NAT轉換後的內部全域性地址12.0.0.1的路由)
這樣就可以實現全網互通了。
轉載於:https://blog.51cto.com/tang493512148/1673645