Monthly Archives: May 2015

VRF Lite basics

Sometimes while you do routing, you want to do it in a destination-based way and also differentiate routing for different sub-autonomous systems in your AS. Well, such behavior can be enforced by PBR, but it is not that scalable and it lacks some of the nicer things dynamic routing protocols bring to the table. Enter Virtual Routing and… Read More »

How to write long iterative configs

Sometimes there is a problem: you need to write a really repetitive config with hundreds of nodes. Clear example would be dial peers in Cisco routers. It is immensely hard and dull to do this by hand or copy+paste. Here’s a simple python script to do it for you.