Port Spanning Tree - D-Link DES-7000 User Manual

Layer 2 modular chassis-based switch
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Switch Spanning Tree Settings continued from previous page
Bridge Forward Delay
(4-30 Sec)
Bridge Priority
(0-65535 Sec)
The relevant CLI commands for system-wide STP are
enable/disable
stp.

Port Spanning Tree

On some networks it may be desirable to disable STP for an individual port. For example, if there is
only a single workstation connected to the port or in circumstances where a private client network may
be renting a single port, these are circumstances where there is no chance that a redundant loop will
exist. STP can be disabled for the port to conserve bandwidth and CPU function, but more importantly
to avoid the possible delay of critical frames or packets that could potentially be blocked by STP.
To configure Port Group STP for any module, first select the Slot from the drop-down menu, then
choose which ports are to be configured in the From and To drop-down menus.
Using the Web-based Management Software
DES-7000/DES-7100 Layer 2 Switch User's Guide
The maximum time (in seconds) the root device will wait before
changing states (i.e., from the listening to learning to forwarding). This
delay is required because every device must receive information about
topology changes before it starts to forward packets. In addition, each
port needs time to listen for conflicting information that would make it
return to a blocking state; otherwise, temporary data loops might result.
Maximum value is 30
Minimum value is the higher of 4 or [(Max. Age / 2) +1]
Default = 15
Device priority used in selecting the root device, root port, and
designated port. The device with the highest priority becomes the STP
root device. The lower the numeric value, the higher the priority. If all
devices have the same priority, the device with the lowest MAC address
will become the root device.
Range 0 to 65535. Default = 32,768
Figure 6- 17. Spanning Tree Port Settings
config
stp,
show
and
stp
64

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