Ethernet based ISP configure the mikrotik
IP Address
Gateway
DNS
NAT
Step 1
[admin@MikroTik] > ip address add interface=ether1 address=”your public ip” \ disabled=no
[admin@MikroTik] > ip address add interface=ether2 address=”your lan ip” \ disabled=no
Step 2
[admin@MikroTik] > ip route add gateway=”your gateway ip” disabled=no
Step 3
[admin@MikroTik] > ip dns set primary-dns=”your isp primary dns” \ secondary-dns=”your isp secondary dns” \ allow-remote-requests=yes
Step 4
[admin@MikroTik] > ip firewall nat add chain=srcnat out-interface=ether1 \ action=masquerade disabled=no