If you are starting out on your journey to become CCNA R&S certified, one hurdle to clear is understanding Access Control Lists (ACLs). As I encounter students who are new to Cisco, I find that many have been lead to believe that ACLs are complicated, difficult to decipher, and difficult to deploy. Second after subnetting, … Continue reading ACLs on Cisco devices-introduction
Tag Archives: traffic
How to Decipher Cisco Route Maps
In my last blog How to interpret Cisco IP prefix lists, I mentioned that I would discuss using prefix lists to filter routes. Before we can go there, there is another piece of the puzzle which must be addressed. That piece is the topic of route maps. Let’s take a look at the concept of … Continue reading How to Decipher Cisco Route Maps
How to interpret Cisco IP prefix lists
IP prefix lists. Why? At first glance, it may seem that this is just another way to add more math and numbers to the life of a net admin. Don’t be fooled by the first glance. Once you get used to IP prefix lists, you may like them even better than their counterpart – IP access lists. They … Continue reading How to interpret Cisco IP prefix lists