What you need to know about Cisco IOS Access-List filtering
Cisco IOS ACLs are difficult to use. You can unwittingly create havoc on your network if you don't know some of the basic rules. David Davis focuses on the role of ACLs in packet filtering and tells you what you must know in order to make them work for you.
David Davis has worked in the IT industry for 12 years and holds several certifications, including CCIE, MCSE+I, CISSP, CCNA, CCDA, and CCNP. He currently manages a group of systems/network administrators for a privately owned retail company and performs networking/systems consulting on a part-time basis.
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Cisco IOS ACLs are difficult to use. You can unwittingly create havoc on your network if you don't know some of the basic rules. David Davis focuses on the role of ACLs in packet filtering and tells you what you must know in order to make them work for you.
David Davis has worked in the IT industry for 12 years and holds several certifications, including CCIE, MCSE+I, CISSP, CCNA, CCDA, and CCNP. He currently manages a group of systems/network administrators for a privately owned retail company and performs networking/systems consulting on a part-time basis.
Miss an issue?
See previous Cisco Routers and Switches posts.
Bookmark the Networking blog to stay on top of all the latest posts.
Related resources
Download: How do I...Speed up the switch port initialization process?
When connecting a PC to a Cisco switch, it may sometimes take 30 seconds or more before the PC can communicate on the network. But with a few simple steps, you can shave off 30 seconds or more.
Download: 10 common Cisco VPN problems and how to resolve them
IT pro Scott Lowe put together this set of solutions to 10 typical VPN problems. Given the diversity of options, these tips won't necessarily pertain to every VPN configuration available from Cisco. However, they will give you a place to start as you work on fixing problems with your VPN.
Featured galleries and videos
Video: Artists view our relationship to tech
On a recent trip to Pittsburgh, CNET News.com's Kara Tsuboi visited the Wood Street Galleries for an exhibit exploring how artists visualize our future.
Images: MIT predicts tech to jump-start economy
A group of faculty and researchers from the Massachusetts Institute of Technology have predicted the technologies they believe will instigate the next economic boom.
Cracking Open the Coolmax USB Hard Disk Adapter
This Coolmax USB hard disk adapter can connect a 2.5-, 3.5- and 5.25-inch IDE or SATA hard disk to a PC.
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