General Networking

All General Networking Articles

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Designing Networks and Services in the Cloud
By Muhammad Abid, Sudhir Modali, Huseni Saboowala
Jul 12, 2013
This chapter explores the role of the network in enabling the success of business-grade cloud services - moving to the cloud and encouraging the adoption of cloud services by enterprises as well as monetizing those network investments.
An Overview of Cisco IOS Versions and Naming
By Sean Wilkins
Jun 28, 2013
This article covers the different Cisco IOS releases and naming structures and aims to give a single location where network engineers can look to figure out what the different releases mean.
Cisco IOS Image Concepts and Configuration
By Sean Wilkins
Jun 28, 2013
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.
Cisco IOS Image Security
By Sean Wilkins
Jun 28, 2013
This article discusses Cisco IOS image types and provides methods to ensure that the images are complete and have not been modified. It also briefly covers digital signatures that are possible with newer Cisco hardware.
Cisco ASA Access Lists Concepts and Configuration
By Sean Wilkins
Jun 27, 2013
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.
Cisco ASA Basic Internet Protocol Inspection
By Sean Wilkins
Jun 27, 2013
In this article, Sean Wilkins covers some of the common Internet protocol inspection features that can be enabled (or are enabled by default) on the Cisco ASA.
IPv6 Translation and Tunneling Technologies
By Sean Wilkins
Jun 26, 2013
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. This article examines specific methods and how they can be used to support an IPv6 deployment.
IPv6 Tunneling Technology Configuration
By Sean Wilkins
Jun 26, 2013
This article focuses on the basic configuration of available IPv6 tunneling technologies for Cisco networks.
Authentication and Authorization Policies: Using Cisco Identity Services Engine in a BYOD World
By Jamey Heary, Aaron Woland
Jun 25, 2013
This chapter examines the relationship between authentication and authorization and how to build policies for each, describing a few common Authentication Policies and Authorization Policies to help you see how to work with these policy constructs.
Wireless is Calling - Will You Answer? Why Wireless Networking is a Promising Career Choice
By David Hucaby
Jun 25, 2013
David Hucaby shares his thoughts on why wireless engineering is a satisfying career choice, especially with new wireless capabilities rolling out all the time.
The Portable Command Guide: How it Works and Why You Should Build Your Own
By Scott Empson
Jun 24, 2013
Scott Empson discusses how his handwritten "Engineering Journal" became the Portable Command Guide — and why you should turn your technical notes into your own Portable Command Guide.
Cisco NX-OS and Cisco Nexus Switching: Unified Fabric
By Ron Fuller, David Jansen, Matthew McPherson
Apr 26, 2013
This chapter shows the basic Nexus 5x00 and Nexus 7000 configurations necessary to provide a Unified access method for LAN data traffic and SAN storage traffic.
Securing Overlay Transport Virtualization (OTV) with Cisco TrustSec (CTS)
By Ron Fuller
Apr 25, 2013
Ron Fuller shows just how easy it is to take advantage of MACSEC and AES128 bit encryption on your Cisco Nexus 7000 series switches.
Best Practices for Deploying Secure Cisco IP Telephony Solutions
By Akhil Behl
Oct 31, 2012
A brief discussion of why it's important to secure IP Telephony Networks, how to go about it, and the actual deployment thereof.
Creating Your Own VPN
By Eric Geier
Oct 23, 2012
Security expert Eric Geier shows you how to set up a VPN to securely access your PC or network when you’re away, and to secure your Internet connection when using Wi-Fi hotspots.
The Art of the Data Center: Bahnhof - Stockholm, Sweden
By Douglas Alger
Oct 9, 2012
Doug Alger takes a fascinating look at one of the most amazing data centers in the world in this chapter from his book The Art of the Data Center.
Eight Cool Things You Probably Don’t Know About Data Centers
By Douglas Alger
Sep 27, 2012
Doug Alger, author of The Art of the Data Center, discusses eight cool things most people don’t realize about Data Centers in this InformIT exclusive audio segment.
Cisco IP Telephony Security Framework
By Akhil Behl
Sep 21, 2012
This chapter examines the Cisco IP Telephony Security life cycle. It also shows how to develop an IP telephony security policy, evaluate cost versus risk, determine the level of security required for your IP Telephony network, and develop Cisco IP Telephony Security Framework.
Q&A with Cisco Senior Network Consultant Akhil Behl, Author of Securing Cisco IP Telephony Networks
By Akhil Behl
Sep 18, 2012
Learn more about Cisco Press author Akhil Behl and the new book Securing Cisco IP Telephony Networks.
Protecting Your Network from the Wi-Fi Protected Setup Security Hole
By Eric Geier
Mar 12, 2012
Even if you’ve encrypted and secured your wireless network with Wi-Fi Protected Access (WPA or WPA2), a security hole affecting most wireless routers may make it fairly easy for those with the right tools to hack your network and connect. Eric Geier shows how to prevent this and protect your network.

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