The Functions of a Layer 3 Switch
Traditional routers, once the core components of large networks, became an obstacle to the migration toward
A layer 3 switch does everything to a packet that a traditional router does:
•Determines forwarding path based on Layer 3 information
•Validates the integrity of the Layer 3 header via checksum
•Verifies packet expiration and updates accordingly
•Processes and responds to any optional information
•Updates forwarding statistics in the Management Information Base
A Layer 3 switch can be placed anywhere within a network core or backbone, easily and
Features
The
Switch features include:
Ports
•24
•All ports can
•One front panel
•
Performance Features
Layer 2 Features
•8.8 Gbps switching fabric capacity
11
