| SWITCH | BRIDGE |
|---|
| Switches are available in both manageable and non manageable. | Bridges are available only in non manageable |
| Number of ports are more than bridge | Number of ports are less than switch |
| They can have separate spanning tree for each VLANs in the switch | They can have only one spanning tree instance per bridge. |
| Large frame buffers | Low frame buffer |
| Switches are Hardware based, perform forwarding in hardware | Bridges are software based, perform forwarding in software |
| Switches were just the next step which eliminated the collision domain completely | Bridges were historically used to reduce the size of collision domain created by hubs |
| Supports cut-through switching | Doesn't supports cut-through switching |
| A switch is a network access device that provides a centralized point for LAN communications,media connections and management activities-like Hub. | A bridge is an inter networking device used to contact separate LAN's or link two network segments, and to filter information between them as well as traffic collisions, and other network problems. |
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