Tutorials

Basic Cisco ASA Overview

Jun 24, 2012 · 4 min read · ASA ASDM CCNA Security Cisco cisco Cisco ASA Cisco Systems Command-line interface firewall General networking security security appliances Tutorials Virtual private network ·

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Firewall The Cisco 5500 Series Adaptive Security Appliances are of course an excellent firewall but the ASA also offers (depending on the model) other security services as well, like IPS systems, VPN, content security, unified communications and remote access. These ASA's can be used as a standalone appliance' that can …

Part 2 – The Joys of Subnetttting – VLSM!

Apr 23, 2012 · 6 min read · CCNA Cisco Classless Inter-Domain Routing General ICND2 IP address networking Subnetting Subnetwork tutorial Tutorials VLSM ·

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So here we are on Part 2 of subnetting. What makes me laugh is that I really think a lot of people over think this stuff, and the fact that I mispelled subnetting! (Really? 4Ts) It's really not the complicated and it should not scare you. Another thing to mention is that usually in the real world you usually have …

Color Code Your Routers

Nov 30, 2011 · 3 min read · Catalyst switch Cisco cisco Cisco IOS Command-line interface Configure script General networking router software technology tutorial Tutorials ·

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I came across an interesting idea, what if you could color code your devices in command line? So such as if you were operating routers at a core level you could color code the CLI to the color red, and the branch routers green and etc. I wasn't sure if this would possible but doing some searching through the internet I …

OSPF...What a Protocol!

Nov 2, 2011 · 4 min read · CCNA Cisco cisco General ICND2 Internet Engineering Task Force IS-IS Link-state advertisement Link-state routing protocol networking Open Shortest Path First OSPF router Tutorials ·

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For today let's discuss a routing protocol that was being thought of in 1987 by the Internet Engineering Task Force (IETF). OSPF currently has three versions and the first version was in the 1980s when the internet was still being used for research. What is interesting about the first version of OSPF is although one …

How to Configure SSH on Dell Power-Connect

Oct 26, 2011 · 4 min read · Command-line interface Data Link Layer Dell General IP address networking Powerconnect Secure Shell Security Software SSH technology tutorial Tutorials ·

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keys Although not dealing with Cisco directly Dell switches are around in network closets and with my limited experience with them I thought this would be a perfect blog post to show the differences between Dell and Cisco. I like to think of Dell CLI like a dumb downed version of the Cisco CLI so I had some time to …