Along with the Network Address Translation it serves for preventing unauthorized access to directly attached networks and the router itself as well as a filter for outgoing traffic. The firewall implements packet filtering and thereby provides security functions, that are used to manage data flow to, from and through the router. New in RouterOS v4 is the Lua scripting language, which opens up a multitude of approaches in automation and programming of your router.

CLI with Telnet, SSH, Local console and Serial console.

RouterOS features a powerful, yet easy to learn command-line configuration interface with integrated scripting capabilities. In case there is no local access, and there is a problem with IP level communications, RouterOS also supports a MAC level based connection with the custom made Mac-Telnet and Winbox tools. RouterOS supports various methods of configuration - local access with keyboard and monitor, serial console with a terminal application, Telnet and secure SSH access over networks, a custom GUI configuration tool called Winbox, a simple Web based configuration interface and an API programming interface for building your own control application. In the following pages you will find examples of some of the most important RouterOS features.

The free trial provides all of the features with no limitations. You can try RouterOS today, go to and download the installation CD image. RouterOS is a stand-alone operating system based on the Linux v2.6 kernel, and our goal here at MikroTik is to provide all these features with a quick and simple installation and an easy to use interface. It can also be installed on a PC and will turn it into a router with all the necessary features - routing, firewall, bandwidth management, wireless access point, backhaul link, hotspot gateway, VPN server and more. MikroTik RouterOS is the operating system of MikroTik RouterBOARD hardware.

Mikrotik os router