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Poorly configured networks are vulnerable to many attacks. Easy attacks. In this blog we will demonstrate how easy it is to perform a DoS attack on a DHCP scope. Afterwards, we will remediate our poorly configured network devices with a security feature that you should include on every deployment to protect against this type of attack.

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Today we are talking about 802.1X, like authenticating a device coming into a conference room.What is 802.1X ? In simple terms, it is an authentication mechanism that we leverage.

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Hello all! Today we will be talking about Mobility Anchoring with Cisco Wireless LAN Controller (WLC). While this concept has been around for a while, and is commonly used for guest networks, I have used it for several other reasons. But first let’s go over the premise of mobility anchoring.

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This blog follows on from my last post and continues the discussion on how to integrate a single/pair of SD-WAN routers into our existing branch site topology. If you missed that last blog, then you can check it out here. Don’t worry I’ll be right here waiting for you.

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In this edition of our SD-WAN series I’m going to take a step away from our lab environment and attempt to address a question I get a lot from our customers. “How do we integrate a SD-WAN router or pair of SD-WAN routers into our current environment?” Well the answer I’m afraid is the networking consultants classic line of “It depends”. And it really does, Cisco’s SD-WAN solution was created by...

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In my last post in the series I introduced you to the four architectural components that control and enable our SD-WAN fabric. In that post I had promised that in our next installment we would take a closer look at our fabric bring up sequence, but if you will indulge me I would like to hold off on that topic for the next post. In its place I would like to use this post to introduce you to the...

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Earlier this year Cisco released their new Digital Network Architecture (DNA), which they are calling “intent-based networking”. Cisco DNA is an open, programmable architecture that turns business intent into business results, and is the foundation for The Network. Intuitive. Cisco also released their Software-Defined Access (SD-Access) solution, which is the “industry’s first intent-based...

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On February 2, 2017 Cisco announced a major issue affecting products from their routing, switching, security and server product lines. Reference Tables A through D below for a full list of affected products and part numbers.

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