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The answer to the top 5 virtualization problems

Transitioning to a virtualized network can be challenging for network engineers, despite the advantages. Understand these top five virtualization problems and how to handle them.
vCloud and VEPA: Neither answer is a winner

vCloud and VEPA fail to address the virtualization networking problem, as both are deemed proprietary and don’t enable networking functions within the vSphere environment.
When physical security breaches are the problem

Network engineers are so busy dealing with intrusion prevention and firewalling that they forget about physical security breaches. Blogger Ethan Banks has some advice.
Cisco upgrades the Catalyst 6500…but some wonder why

The Cisco Catalyst 6500 upgrade announced this year didn't excite everyone as expected. Blogger Greg Ferro wonders why Cisco didn't stay focused on the Nexus line instead.

Working With Servers and Desktops

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Knowing your server saves you trouble

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E-mail security: Defending the server

Fred Avolio gives some general guidelines in his column on how to guard your e-mail server from attacks Tip
Secondary DNS servers for the Internet

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Configuring a Linux kernel for IPX and NCPFS

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Job Snapshot: Running a Windows network

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Abbreviated command notation

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Using ifconfig to change interface configuration

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