Cisco IOS Image Concepts and Configuration

Cisco network engineers should know how to correctly perform a router image update/upgrade. This article covers the different image types that exist on most Cisco equipment, Cisco’s image-naming structure, and how to perform image updates/upgrades. Overview An important skill for Cisco network engineers to have is the ability to correctly perform an image update/upgrade. Although […]

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An Overview of Cisco IOS Versions and Naming

Version and naming structure used by Cisco for their IOS images is often confusing. Although the naming used for some of the newer devices is changing to a simpler structure, it will be a while before all the different versions are consolidated. This article covers these different releases and aims to give a single location […]

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Cisco ASA Access Lists Concepts and Configuration

Sean Wilkins review Cisco’s Adaptive Security Appliance (ASA) implementation of access control lists (ACL or access list). He also covers ASA access list types, what they control, and a basic review of what the configuration syntax is to use them. Overview For those just getting into the network security arena or into Cisco network security […]

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IPv6 Tunneling Technology Configuration

With the details of the available IPv6 tunneling options laid out in an article preceding this one, the next logical step is to review how these different options are configured. Because this article focuses on Cisco, it reviews the basic configuration of these available technologies. Tunneling Configuration Options The configuration of each of these options […]

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IPv6 Translation and Tunneling Technologies

With the exhaustion of the IPv4 addressing space quickly approaching, it has become a high priority for organizations to begin their own deployments of IPv6. This can be accomplished in a number of different ways. The common methods include side-by-side implementations of IPv4 and IPv6, the implementation of tunneling over existing IPv4 networks, and the […]

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Is there an affordable way to get your CCNA Video cert?

Like many of the other niche Cisco certifications, the new (as of Jan 2013) Cisco Certified Network Associate – Video certification (CCNA Video) has been gaining steam in the network video/voice community. Let’s take a look at some of the current recommendations for successfully passing the 200-001 VIVND exam, which is the last video-specific exam […]

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