MikroTik HowTo Articles
802.1Q Router on a Stick Example
From ISP Supplies Customer Learning Center Router-On-A-Stick - 802.1Q Trunking With MikroTik SWOS Router-On-A-Stick is a phrase referring to the connection of a 802.1Q capable switch to a single router interface. By trunking across the Ethernet ...
Basic Script to Configure a Blank MikroTik Router
I have developed a script you can simply paste into the router and it will configure everything for you and get you started on the right track. /ip address add address=192.168.1.1/24 disabled=no interface=ether2 add address=192.168.2.1/24 ...
Bridge Two MikroTik Devices
Need a wireless bridge between two buildings or a quick backhaul link? Have a pair of RouterBoard 411?s with their original Level 3 license lying around? Then great, you have exactly what you need to build a point to point link. ?What? I thought I ...
Compact Export on Mikrotik
Ever exported a config from RouterOS and saw tons of lines of garbage you didn't need or sometimes even recognize? If so, you will love this! Starting from v5.12 compact export was added. It allows to export only part of configuration that is not ...
How to Easily Bridge Two MikroTik SXT Devices
Bridging two MikroTik SXT devices is fast and easy if you follow this step by step guide. This configuration will produce a point to point transparent bridge using 40 MHz channel width and capable of passing up to 150 mbps wirelessly using ...
How to Easily Bridge Two SXT's
Using this guide, you will easily able to bridge two MikroTik SXT devices together to transparently join two networks or two buildings together. You can download the PDF of this guide HERE .
How to Upgrade MikroTik Software
It is suggested to always keep your RouterOS installation up to date, MikroTik always keeps adding new functionality and improving performance and stability by releasing updates. RouterOS versions are numbered sequentially, when a period is used to ...
LicenseLevels
Contents 1 Overview 2 License Levels 3 Upgrading from RouterOS v3 (2009) 4 Change license Level 5 Using the License 5.1 Can I Format or Re-Flash the drive? 5.2 How many computers can I use the License on? 5.3 Can I temporary use the HDD for ...
License Server
Need a RouterOS license quickly? Our license server issues them instantly.
MikroTik RouterOS Default Wireless WPA2 Key
Here is one that caught me by surprise and several of our customers as well. MikroTik's default configuration for devices with wireless has changed. There is now WPA/WPA2 security on the wireless connection. You will need to enter the serial number ...
MikroTik UserManager Automatic Rate Limits
Usermanager is MikroTik?s version of radius and is a great way to centralize AAA on your network. In addition, it also has facility to allow users to buy credits on your network through hotspot, however, the only limitation it can automatically ...
Mikrotik Mass Updater
I converted an old perl backup utility written by Phillip Hutchison that was on the Mikrotik forums to make it a mass update utility for Mikrotik. There are 2 versions (Link is at bottom) version1 - "massupdater.pl" that uses only 1 username and ...
RouterOS Script to Find iPhones
This script will find devices in the DHCP Server leases list with a string in the device name. The purpose is to find iPhones so we can rate limit their upload, so as to not consume all our uplink bandwidth on slow connections by putting them on an ...
Recursive Routing Example
Contents 1 Introduction 2 Implementation 2.1 Basic Setup 2.2 Multiple host checking per Uplink 2.3 Workaround 1 3 Thanks to Introduction Let us suppose that we have several WAN links, and we want to monitor, whether the Internet is accessible ...
RouterOS Script to Set Master Port
This script will set a series of ports to use one port as their master. Paste the script into a terminal or paste it to a notepad file named .rsc and import it. Edit the variables as described in the script and then run it. system script add ...
Trunk Two MikroTik Switches Using 802.1q Vlans
Scenario: You have one MikroTik RB250GS switch running 802.1Q vlans and you want to extend all or some of those vlans to a second switch. The following diagram borrowed from a post by Ozelo explains: The configuration of the first switch ...
Script to find and delete SIP connections in Mikrotik RouterOS
This is handy when you only want to force SIP connections to re-establish: /ip firewall connection remove [/ip firewall connection find where connection-type=sip and assured=no]
Wireless Hotspot Splash Page
In the zip file linked below there is a generic hotspot folder, There is a file in the folder called ?alogin.html?. There are 2 lines in there one at the top and one at the bottom, that reference www.ispsupplies.com you can change this to whatever ...
Common Error with Simple Queues in MikroTik RouterOS
Simple Queues don’t work properly... I have heard this more than once, my MikroTik RouterOS Simple Queues don't work properly. In a simple queue, “target” option is the only option that determines the flow direction of a simple queue. Since the ...
Mikrotik Background Scan for Wireless
Beginning with Mikrotik version 6.35, the availability of Background Scan on the wireless interface. From the wiki: "The scan command allows you to see available AP's in the frequency range defined in the scan-list. Using the scan command the ...
MikroTik dual boot lets you choose between SwOS and RouterOS
Beginning with MikroTik CRS3xx series due this summer, you will have the opportunity to choose which operating system you prefer to use, RouterOS or SwOS. If you prefer to have a simplified switch only OS with more switch specific features, use SwOS. ...
Cloning MikroTik Routers, Quick and Easy
If you are wanting to configure multiple MikroTik routers with the same configuration, or to copy a config from one router to another, the best way is to use an export. The export command dumps all of the configuration commands you added to a router ...
PMTU and MSS Discovery Issues Resolved with MikroTik
Today I took a support call from a customer who was having strange issues with their TDS Cable modem service. Http pages would load fine but https pages had broken images, broken style sheets or would not load at all. Itunes was flaky, apps using ...
How to Log Into a Mikrotik Router
After you have installed the RouterOS software, or turned on the Router for the first time, there are various ways how to connect to it: Accessing Command Line Interface (CLI) via Telnet, SSH, serial cable or even keyboard and monitor if your router ...
MikroTik CRS Switch Trunk and Access Port Quick and Dirty
This is just a quick primer on creating a switch config with a trunk port and access ports. More details can be found in my book "RouterOS by Example SecondEdition" by Steve Discher available here: http://www.ispsupplies.com/ISP-Services-LMT-B2 ...
Script to add ports to a bridge
# First, set port type i.e.: ether or sfp # This is for interfaces not named “ether” like SFP # Second set the bridge name # Then set ports in range form using SlavePortStart and SlavePortStop. Paste this into a terminal to create the script, change ...
MikroTik RBwAPR-2nD&R11e-LTE-US with LTE Modem With Verizon HowTo
I grabbed one of these RBwAPR-2nD&R11e-LTE-US off the shelf today at ISP Supplies and wanted to see how hard it would be to make it work with Verizon Wireless. I had an active SIM card from an old Verizon Jetpack to use with it. I inserted the SIM ...
Creating Trunk and Access Ports on MikroTik CRS3xx, CRS2xx and CRS1xx Series Switches
The switch menu and configuration interface is significantly different on the CRS3xx versus the CRS1xx or CRS2xx series switches and if you are trying to configure VLANs, the process is totally different. Here is a quick HowTo for configuring VLANs ...