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mellowd.co.uk

I’ve noticed that a lot of people seem to get confused with what exactly dot1q is doing most of the time. It’s actually incredibly simply. Tagging traffic, or Trunking in Cisco-talk, is a very straightforward process. I will not be discussing ISL here as not only do I not use it, but Cisco is phasing it out on their stuff anyway. The dot1q tag is simply inserted into the layer2 header when a packet leaves a switchport over a trunk. If a frame leaves a switchport that is not a trunk, there is no dot1a tag inserted into it, regardless of what vlan the frame came from or is going to.

learningnetwork.cisco.com

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Once you get the initial configurations loaded you’re ready to begin the lab.  This is when the “fun” begins.  Those of us who are used to starting labs with barebone configuratio…

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labs.ripe.net

Ahead of CAPIF 4, we once again pause to examine the latest in Central Asia’s digital transformation. Against a backdrop of deepening regional cooperation, we chart improvements in routing security and IPv6 adoption, while also probing interconnection patterns as seen in K-root data.

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