Tagged: network

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VXLAN Puppet Module

If you’ve done any work with OpenStack or VMware NSX, you’ve likely come across VXLAN. It’s an encapsulation protocol that allows you to wrap layer 2 traffic in unicast UDP packets for traversal over...

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Single vs Multi Channel Architectures for WiFi

Almost every area of IT has its holy wars. Whether it’s processors and AMD vs Intel vs ARM, GPU with AMD vs NVidia or even operating systems with Linux, Windows and even BSD in...

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Comware IRFs – A Few Lessons

Look in almost any organisation that’s been running for more than a few years and you’ll see legacy IT kit still keeping business critical services alive. There are places where IPX is still a...

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Network Switch APIs (and the Lack Thereof)

Since the dawn of time on managed network switches, we’ve had the CLI. Well, that’s a bit of a lie – menu driven interfaces were the go-to option for a number of years. But...

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TTL for Now

It’s always the little things that get you in technology. I’ve seen instances of stations taken off air by a simple fuse blowing. You also wouldn’t believe the level of embarrassment that can come...

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It’s Getting Meta in My Router

Virtualisation has really taken over the world of IT. In the day job, I don’t buy new servers, I ask for a VM to be provisioned on an existing VM cluster. Even in the...