D-Link DES-3326 User Manual - Learning State
Manual is about: 24-Port Fast Ethernet Plus 2-Port Gigabit Module Layer 3 Switch
of
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DES-3326 Layer 3 Fast Ethernet Switch User’s Guide
364
Understanding and Troubleshooting the Spanning Tree Protocol
Learning State
A port in the learning state prepares to participate in frame
forwarding. The port enters the learning state from the listening
state.
A port in the learning state does the following:
•
Discards frames received from the network segment to
which it is attached.
•
Discards packets sent from another port on the switch for
forwarding.
•
Adds addresses to its forwarding database.
•
Receives BPDUs and directs them to the CPU.
•
Processes and transmits BPDUs received from the CPU.
•
Receives and responds to network management messages.