VLANs (Virtual Local Area Network) are virtualization in our LANs segments, for example: We have one switch with 24 ports, if we created 2 vlans, 10 and 20, and ADD ports 1 to 12 in vlan 10 and ports 13 to 24 in vlan 20 ... After this moment, we have 2 logical switches, it one with 12 ports, one of then in ports 1 to 12 and other in ports 13 to 24, because in this scenario one PC in port 7 don't communicate with other pc in port 20, in our case. In this ilustration below, one scenario without VLANs... In this ilustration below, one scenario with VLANs implementeded... Regards Douglas Rodrigues
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