Compaq ProLiant Interconnect Switch - Manual (Page 171)

Spanning Tree Protocol
Compaq ProLiant BL p-Class GbE Interconnect Switch User Guide D-3
COMPAQ CONFIDENTIAL Codename: Vanilla Part Number: 263680-001 Last Saved On: 4/23/02 10:15 AM
A port in the listening state:
• Discards frames received from the network segment to which it is attached.
• Discards packets sent from another port on the switch for forwarding.
• Does not add addresses to its forwarding database.
• Receives BPDUs and directs them to the processor.
• Processes BPDUs received from the processor.
• Receives and responds to network management messages.
Figure D-2: Listening state