5-1. Layer 3 Switching

  • Layer 3 switching is the movement of data between devices using tables or pathways containing Layer 3 network addressing.

  • To perform Layer 3 switching, the device must have a Layer 3 switching processor that can be a separate module or card.

  • A Layer 3 switching processor will use Layer 3 IOS to configure the Layer 3 switching components.

  • To allow Layer 3 switching, the switch must have the routing function enabled for a given protocol.

  • To provide connectivity between the different networks, the switch must have knowledge of available pathways for these networks.

Configuration

To perform Layer 3 switching on a device, you must have a switching processor that makes decisions based on Layer 3 protocol addressing. This engine will ...

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