【RouterOS】——CLI 1 WAN (DHCP Client) and 1 LAN (DHCP Server)

角色

Add alias to interface Eth1 and Eth2:

1. /interface ethernet
   
2. set 2 name=Public
   
3. set 10 name=Local

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Add interface Public as DHCP client:

1. /ip dhcp-client
   
2. add interface=Public disable=no

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Add your ISP' DNS:

1. /ip dns
   
2. set servers=8.8.8.8,8.8.4.4 allow-remote-requests=yes

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Or just use DHCP ISP's DNS

1. /ip dns
   
2. set allow-remote-requests=yes

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Add IP to Local

1. add address=192.168.0.1/24 interface=Local

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Add DHCP-server and DHCP-Pool to interface Local

1. /ip pool
   
2. addd name=dhcp-pool range=192.168.0.10-192.168.0.254
   
3. /ip dhcp-server
   
4. add name=dhcp inteface=Local address-pool=dhcp-pool disabled=no
   
5. /ip dhcp-server network
   
6. add address=192.168.0.0/24 gateway=192.168.0.1 dns-server=192.168.0.1

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Add firewall NAT-rule

1. /ip firewall nat
   
2. add action=masquerade chain=srcnat disabled=no out-interface=Public

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Please note that if a switch is connected to the Local port, ALL LAN ports of the switch could be used. The PC's IP, gateway and DNS are given by the DHCP Server at the Local port.