You learned that VLANs segment a physical network into logical broadcast domains, improving security, performance, and manageability. VLAN IDs range from to . Access ports carry one VLAN untagged. Trunk ports carry multiple VLANs with tags. Native VLAN traffic travels untagged on trunks. Inter-VLAN routing requires Layer . Voice VLANs separate phone traffic. Best practices include avoiding VTP and documenting everything.
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$ curl repovive.com/roadmaps/network-design/switching-and-vlans/section-2-recap
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