Switching, VLANs & Routing
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Terms in this set
- Switch A Layer 2 device that forwards frames between devices on a LAN using MAC addresses.
- Router A Layer 3 device that forwards packets between different networks based on IP addresses.
- VLAN A Virtual LAN that logically segments a switch into separate broadcast domains.
- Trunking Carrying traffic for multiple VLANs over a single switch link using 802.1Q tagging.
- Spanning Tree Protocol A protocol that prevents switching loops by blocking redundant paths while keeping a backup ready.
- Static Routing Manually configured routes that do not change unless an administrator updates them.
- Dynamic Routing Routing in which protocols automatically learn and update routes as the network changes.
- OSPF Open Shortest Path First — a link-state interior gateway protocol that computes shortest paths by cost.
- BGP Border Gateway Protocol — the path-vector protocol that routes traffic between autonomous systems on the internet.
- EIGRP Enhanced Interior Gateway Routing Protocol — a Cisco advanced distance-vector protocol with fast convergence.