If you follow me on Twitter ( https://twitter.com/danieldibswe), you know I have been doing a lot of SD-WAN lately and I recently built my own lab. In this lab, I wanted to try a feature known as service chaining. What
NAT translation – What happened to my traceroute?
This post will describe something interesting that happens to traceroute when you are doing NAT. The inspiration for this post came from a thread at IEOC started by Nick O’neill. He was doing ip nat outside translation but I have
Quick post on IP applications
I’m going through the blueprint and now I checked off IP accounting. The feature is very simple, it lets us see which source destination pairs that are sending traffic to each other. We can also configure to look what precedence
Generate traffic with traceroute
I found a very useful tool when practicing the INE labs. How to generate traffic with traceroute. I’ve used telnet lots of times to generate TCP traffic on different ports but what if we want to generate UDP traffic instead?
Filtering packets by TTL in Cisco ACL
As I make progress through the INE workbooks I’m writing posts about features that I find interesting and that might not be that known to the general public. I wasn’t aware that you could filter packets based on TTL in