I just had two very unfortunate experiences when upgrading a four-proc server and a two-proc PC from ROS 3.30 to ROS 4.2. Oct 26 08:11:03 erica postgrey: action=pass, reason=client AWL, client_name=unknown, client_address=201.30.185.2, sender= recipient= : YOUR mailserver are not retring when it fails because the greylist antispam prefetions as RFC recomends, please check it, now i am putting your mailserver in forced whitelist here, please resend the message. Reylisted, see from= to= proto=ESMTP helo= It’s installed on, which means that each Router needs a separateOct 26 08:11:02 erica postgrey: action=greylist, reason=new, client_name=unknown, client_address=159.148.172.195, sender= 26 08:11:03 erica policyd-spf-fs: action=DUNNO Received-SPF: pass (: domain of designates 159.148.172.195 as permitted It’s also important to note that each license is bound to the drive.

If you want, you can keep using RouterOS on that final release - RouterOS license never expires.

In fact, the RouterOS license allows you to install any upgrades that MikroTik might release, up until the last upgrade of the next major release since you purchased your key.

Of interfaces, include limited technical support over email and

It’s important to note that regardless of license level chosen,Īll RouterOS installations allow you to use unlimited number.

(You can see full details in the table below, and in the 'What Is RouterOS' user guide which is downloadable from our Documentation section above). The lowest level is 3, which has wireless client functionality and limited number of active users, and the highest is level 6 which doesn’t have any limitations. There are four types of RouterOS license keys available, indicated by a “level number”. To do this, you need to purchaseĪ license key.

After installing the free trial version of RouterOS on a PC, you will certainly want to keep using it.

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 RouterBOARD.

Mikrotik license level 4