D-Link DGS-3048 Product Manual - Page 76

P2P Port, 1d/802.1w/802.1s Compatibility, STP Bridge Global Settings

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DGS-3048 Gigabit Ethernet Switch Manual P2P Port A P2P port is also capable of rapid transition. P2P ports may be used to connect to other bridges. Under RSTP/MSTP, all ports operating in full-duplex mode are considered to be P2P ports, unless manually overridden through configuration. 802.1d/802.1w/802.1s Compatibility MSTP or RSTP can interoperate with legacy equipment and is capable of automatically adjusting BPDU packets to 802.1d format when necessary. However, any segment using 802.1d STP will not benefit from the rapid transition and rapid topology change detection of MSTP or RSTP. The protocol also provides for a variable used for migration in the event that legacy equipment on a segment is updated to use RSTP or MSTP. The Spanning Tree Protocol (STP) operates on two levels: 1. On the switch level, the settings are globally implemented. 2. On the port level, the settings are implemented on a per user-defined group of ports basis. STP Bridge Global Settings To open the following window, open the Spanning Tree folder in the Configuration menu and click the STP Bridge Global Settings link. Figure 8- 19. STP Bridge Global Settings window - STP Compatible (default) Figure 8- 20. STP Bridge Global Settings window - RSTP 64

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DGS-3048 Gigabit Ethernet Switch Manual
P2P Port
A P2P port is also capable of rapid transition. P2P ports may be used to connect to other bridges. Under RSTP/MSTP, all
ports operating in full-duplex mode are considered to be P2P ports, unless manually overridden through configuration.
802.1d/802.1w/802.1s Compatibility
MSTP or RSTP can interoperate with legacy equipment and is capable of automatically adjusting BPDU packets to 802.1d
format when necessary. However, any segment using 802.1d STP will not benefit from the rapid transition and rapid
topology change detection of MSTP or RSTP. The protocol also provides for a variable used for migration in the event that
legacy equipment on a segment is updated to use RSTP or MSTP.
The Spanning Tree Protocol (STP) operates on two levels:
1.
On the switch level, the settings are globally implemented.
2.
On the port level, the settings are implemented on a per user-defined group of ports basis.
STP Bridge Global Settings
To open the following window, open the
Spanning Tree
folder in the
Configuration
menu and click the
STP Bridge
Global Settings
link.
Figure 8- 19. STP Bridge Global Settings window – STP Compatible (default)
Figure 8- 20. STP Bridge Global Settings window - RSTP
64