Mikrotik Simple Routing

Mikrotik

  • Show IP

/ip dhcp-client print

  • Get IP from dhcp

/ip dhcp-client add interface=ether1 disable=no

  • Add bridge interface

/interface bridge add name=bridge1

/interface bridge port

add bridge=bridge1 interface=ether2

add bridge=bridge1 interface=ether3

  • Assign ip to bridge interface

/ip address add interface=bridge1 address=192.168.100.1/24

/ip route add gateway=bridge1

/ip dns set servers=8.8.8.8

/ip dns set allow-remote-request=yes

  • Configure firewall

/ip firewall nat add chain=srcnat out-interface=ether1 action=masquerade

/ip firewall nat print

  • Setup DHCP Server

/ip dhcp-server setup

Select interface to run DHCP server on 
dhcp server interface: bridge1

Select network for DHCP addresses 
dhcp address space: 192.168.100.0/24

Select gateway for given network 
gateway for dhcp network: 192.168.100.1

Select pool of ip addresses given out by DHCP server 
addresses to give out: 192.168.100.2-192.168.100.254

Select DNS servers 
dns servers: 8.8.8.8

Select lease time 
lease time: 10m

/ip dhcp-server enable

/ip dhcp-server print

Ubuntu Client 20.04

  • Using DHCP client

dhclient eth0

  • Static IP

ip 192.168.100.2/24 192.168.100.1