This is not a defense for not making it possible to do the swap of the link unit but it will give you a heads up that it does exist. This will be recognised at the switch in your end and that will send an alarm. One thing could be a link that collapse the link all the way to your endpoint if someone pulls out the cable. Since we are talking abour physical access there are some things you can do if you need to secure the switch in the other end. Though it would most likely require new/other switches. Well as long as the link is a L1 the 802.1ae would solve that for you since thats one of the big things it is used for. When it comes to securing the switchports for use with pc and servers you can have a look at 802.1x or cisco NAC.īut remember a mac address is just a mac address and you can change that just aswell as you can change th ip address and so on. Then you can do some nice stuff with comparing the mac-addresses that you have on the different switches, if any one of them are both on the uplink, then it might be worth checking out. So let us know what type of switches you have and if it is a L1 or a L2/元 connection. It also depends on what type of connection you have between the switches. Well first of all it is all up to what type of switches you have. Ofcourse there are some drawbacks and since its an emerging technology there will be some teething troubles in the begining while it matures. I would hope it will catch on and we will in a couple of years all use it for any new installations. There are ways to do switch to switch encryption to solve this type of issues but this is quite new technology. If I do not understand you wrong you are thinking of a scenario where someone pulls the uplink from your switch on site and connects their own equipment and then connects your switch to their equipment.
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