D-Link DES-3326 User Manual page 412

allows the removal of all redundant links by removing switch A
or B from the network.
Impact of Layer 3 Switching.
The IP routing operational mode of the DES-3326 Layer 3 switch
can accomplish the following:
Building a forwarding table, and exchanging information
with its peers using routing protocols.
Receiving packets and forwarding them to the correct
interface based upon their destination address
With layer 3 switching, there is no performance penalty to
introducing a routing hop and creating an additional segment of
the network.
396 Understanding and Troubleshooting the Spanning Tree Protocol
24-port NWay Ethernet Switch User's Guide