Friday 18 December 2020

Wireless and hard-wired ethernet devices

 I don't know how many times I have seen that ATT string or the original manufacturer SSID like "LINKSYS" or "NETGEAR" or whatever because people never change them or are not even aware they can or should change them. 

Virtual Private Network (VLAN) is a technology you may already have built into your existing router or ethernet switch. It's giving your wireless and hard-wired ethernet devices a dedicated highway lane that no other cars can drive on. This is done by turning on VLAN "tagging" in the switch or router configuration and creating a unique virtual network that only specifically assigned devices can see. So, for example, if you create a VLAN 100, and put your home office PCs and equipment on that VLAN 100, nothing else in your home can communicate with them, such as IoT equipment or anything like that. In Windows, a computer science vs computer engineering salary tag is set in the configuration options for your PC's network adapters. On the Mac, it is done within Network Preferences.


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