Management VLAN
CCNA
How to Enable an IP Address on a Network Switch
Switches operate at Layer 2 — forwarding frames based on MAC addresses, with no inherent concept of IP addressing at all. So how do you SSH into one, or manage it through a web interface? The answer is a Switched Virtual Interface (SVI): a virtual Layer 3 interface that gives an otherwise Layer 2-only device...
CCNA
Virtual LANs (VLANs): Concepts, Types, and Configuration
A router blocks broadcast traffic between networks, but routers typically have a limited number of LAN interfaces — you can’t practically give every department its own physical router port. VLANs solve this at Layer 2 instead, letting a single switch (or group of switches) segment traffic into multiple logically separate networks without any additional physical...