https://mellowd.co.uk/tags/control/ Recent content in Control on mellowd.co.uk Hugo en-gb Mon, 04 Jun 2012 13:28:57 +0000 https://mellowd.co.uk/post/span-rspan-layer-2-control-packets-and-vlans/ Mon, 04 Jun 2012 13:28:57 +0000 https://mellowd.co.uk/post/span-rspan-layer-2-control-packets-and-vlans/ <p>I know the title is quite a mouthful, but I did want to cover all the above in this post. <a href="http://lostintransit.se/">Daniel</a> asked me to check a few things as I have ready access to real switches.</p> <p>You learn in your studies that layer 2 control packets are ‘special’ – Special in the way that traffic going over the trunk between 2 switches does not follow the standard practice. Let’s use wireshark to see exactly what is going on in a bunch of scenarios. It’ll also give me the opportunity to do a bit of testing with SPAN and RSPAN.</p>