Sorry to say, but around here the general answer is mostly … Wiki… google>> mikrotik wiki dhcp server , or mikrotik wiki dns
I assume you figured out how to open Winbox?
What I picked up along the road is that the default IP set already on a new RouterBoard (RB) is usually 192.168.88.1 , so set your NIC to be i.e. 192.168.88.2 and then after plugging in the RB into the POE etc, open 192.168.88.1 in your Web Browser, check for Winbox, download it… Welcome to your best new Friend
/interface ethernet
set ether3 master-port=ether2
set ether4 master-port=ether2
set ether5 master-port=ether2
set ether6 master-port=ether2
set ether7 master-port=ether2
set ether8 master-port=ether2
Router should have a DNS cache, DNCP server and firewall
the answer to this is probably in my first pointer but DHCP is not that difficult to set-up and the manual is quite self explanatory as is the DHCP Server wizard.
Can someone please point me how can I do this? - I am bit lost in the was Mikrotik manual
don’t worry, the wiki is not that well organised but once you get to know the product things get easier.