Butch Evans Blog

In this article, I want to describe how to tunnel EoIP over a PPtP connection.  EoIP is a Mikrotik specific method of bridging ethernet traffic over a routed network.  The problem with using EoIP as a “VPN”, is that it is not encrypted.  The network we will build in this article will tunnel the EoIP traffic over an encrypted PPtP tunnel.  There are other methods available in later versions of Mikrotik RouterOS to accomplish this functionality (OpenVPN, for one example) and I will be adding articles on some of these at a later time.  the method described in this article will work in any version of Mikrotik RouterOS.  It has been tested under 2.8.28, 2.9.51 and 3.13.

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In “normal” routing, you have a set of routes that tell the router about how to reach certain networks.  Policy routing is a way to do the same thing, but have different “paths” or routes for various types of traffic.  In this article, we will explore the requirements for setting up policy routing and explain some of the concepts involved.

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This article is just a script that you can cut and paste (with small changes) to your router. It will set up the necessary stuff to automate backups.  The script is commented well and the parts that you need to customize are highlighted, so that you know what has to be adjusted.  This is based on a script posted on Mikrotik’s website, updated to work in 2.9.x and 3.x.
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This helpful script was given to me.  It was sent to me by WISP-Router (http://www.wisp-router.com/).  Casey told me it was sent to them by one of their customers.  It will create a beep that changes frequency as the alignment gets better/worse.  Requires (of course) a MT router with a speaker onboard.

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Over the course of the past several days, I have seen a significant number of folks who misunderstand the proper use for the new interface based routing option in MikroTik’s RouterOS.

First, what is interface routing anyway?  In order to understand the answer to this question, we first have to understand how network communications works.  More specifically, we will discuss how IP communications happens.

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This is my first post about the Mikrotik Product.  I will be putting up several examples in the coming weeks and months, so if you don’t see what you are looking for, be sure to contact me directly.  Leaving a comment is fine, but not likely to be “answered” unless it is a clarification for the specific article.

This article is intended to be a short guide to help you configure a Mikrotik router to behave in a way that is similar to a soho router with a wireless connection upstream.  This configuration is perfect for a WISP that is using devices like the RouterBoard 411 (priced at about $59), along with a CM9 or similar radio (about $40), associated power supply, outdoor enclosure/antenna, etc.  The total cost of a flexible device like this is about $150-160, including everything needed to install at a customer’s house or business. (more…)