Network Separation - CompTIA Security+ SY0-401: 1.2

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One of the fundamental best practices of network security is to segment the network to prevent access and protect resources. In this video, you’ll learn about network separation and how organizations can use different segmentation strategies in their infrastructure.
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I don't know of an industry standard. I made some port maps for my network of 1000+ physical ports. I used excel and recorded the port on the switch and the name of the physical network port it was connected to(i.e. Switch Port 2 | data port 1337) if I wanted to document the VLans I would just color code them and have a key somewhere visible on the file. If you have many different vlans that color coding would be confusing maybe just add an extra colum(switch port 2| vlan 31| data port. 1337).

Drancks
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Hi Pro Messer - Excellent videos as always. I want to start fixing and recycling old computers from home. To do this safely, I would like to setup a private netowrk at home that I can connect these (potentially infected) machines to the internet for updates etc. If a computer is infected, I want to isolate this to it's own seperate/private network. There seems to be a vast array of options and I'm confused. I have looked online without a definitive conclusion as various soloutions range from creating a DMZ, buying a firewall, having 2 routers with different subnets, installing a free firewall on a pc and creating a VLAN i.e. Sophos UTM/Firewall. Any help would be much appreciated, Thanks in advance!

TchBeatz
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What is the industry standard for documenting VLAN layouts?  Is there a software program?  A standardized layout on paper?  How do people typically keep track of this?

stylz