Monat: Oktober 2019

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Upgrading a MikroTik Router

Posted on 11th May 2012 by doozer MikroTik release updated versions of RouterOS on a fairly regular basis and it is normally a good idea to update your router when they become available. Upgrading is a fairly painless process but I found the instructions given on the website were a little out of date. Step 1 – What …

Understanding TUN TAP Interfaces

As I mentioned in the previous article Understanding Bridges, Linux and most other operating systems have the ability to create virtual interfaces which are usually called TUN/TAP devices. This article will discuss those devices with particular focus on how they are used in OpenStack. Typically a network device in a system, for example eth0, has a physical …

Creating tap/tun devices with IP tuntap and tunctl as detailed in Linux network tools

In the previous article, we have introduced the basic principles of tap/tun, and this article will show you how to use tools.tunctlandip tuntapTo create and use tap/tun devices. tunctl install First of allcentosInstallation in Environmenttunctl。 ubuntuyesapt-get install uml-utilities。 man tunctlSeetunctlThe manual is used as follows: – The u parameter specifies the user name, indicating that …