· 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.
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