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Are you comfortable matching packets with extended ACLs? How about with TCP and UDP ports in those ACLs? Here’s a 10-minute lab exercise to practice; all you…
Ready to review how to match subnets with extended ACLs? And how to match well-known ports? Today’s lab lets you do just that. Along the way, you…
Standard named ACLs follow a nice simple format, which is great for getting started with ACLs. This next lab gives you some exercise on the basic syntax,…
Write a 1-line ACL to match something? Easy. Write a several line ACL with a bunch of requirements? A little harder. Choosing where to put that multi-line…
CCNA Volume 2's first ACL chapter gets over the big fundamental Access Control List (ACL) concepts and configuration, with Chapter 3 (the subject of this post) moving…
Access Control Lists (ACLs) may be one of the most uncomfortable topics to learn during your first few hours reading about the topic. Getting into lab early…
You might have missed this latest #CCNA question because configuring routers and switches does not reinforce the concepts required to answer this question. If you do want…
Most CCNA candidates focus on the topics that require deeper learning, topics that you need to configure, verify, and troubleshoot on routers and switches. At the same…
First, think of TCP headers, and the source port and destination port. Then think about the predictable port – the well-known port – and whether it will…
#CCNA ACL questions can uncover your weaknesses even without a detailed and complicated list of requirements to place in a single ACL. In fact, my “Acing the…