VLANs - JuliaLightCNCS/Net-150 GitHub Wiki

-Layer 2 but acts like layer 3 on the OSI model

-Can split the same CIDR

-Can change subnet masks or IP addresses. Subnetting but simpler

-A central router

-A group of LANS with

-Has to be configured on a managed switch, can communicate through other switches if ports are the same, acts like separate networks but is the same network.

-Trunk ports can see all of the ports. Access ports can only access other access ports

-The VLAN number matters but it doesn't. The number itself in the VLAN doesn't matter but when selecting a group together that group has to have the same number.