Stp Port Settings - D-Link DGS-3600 Series User Manual

The following information is displayed:
Parameter Description
Displays the instance type(s) currently configured on the Switch. Each instance type is classified
Instance Type
by a MSTI ID. CIST refers to the default MSTI configuration set on the Switch.
Instance Status Displays the current status of the corresponding MSTI ID
Instance Priority Displays the priority of the corresponding MSTI ID. The lowest priority will be the root bridge.
Click Apply to implement changes made.
Click the Modify button to change the priority of the MSTI. This will open the Instance ID Settings window to configure.
Parameter
MSTI ID
Type
Priority (0-61440)
Click Apply to implement the new priority setting.

STP Port Settings

STP can be set up on a port per port basis. To view the STP Port Settings window click L2 Features > Spanning Tree > STP
Port Settings.
In addition to setting Spanning Tree parameters for use on the switch level, the Switch allows for the configuration of groups of
ports, each port-group of which will have its own spanning tree, and will require some of its own configuration settings. An STP
Group will use the switch-level parameters entered above, with the addition of Port Priority and Port Cost. An STP Group
spanning tree works in the same way as the switch-level spanning tree, but the root bridge concept is replaced with a root port
concept. A root port is a port of the group that is elected based on port priority and port cost, to be the connection to the network
for the group. Redundant links will be blocked, just as redundant links are blocked on the switch level. The STP on the switch
level blocks redundant links between switches (and similar network devices). The port level STP will block redundant links within
an STP Group.
xStack DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch
Figure 7- 45. STP Instance Settings window
Figure 7- 46. Instance ID Settings - modify priority window
Description
Displays the MSTI ID of the instance being modified. An entry of 0 in this field denotes the
CIST (default MSTI).
The Type field in this window will be permanently set to Set Priority Only.
Enter the new priority in the Priority field. The user may set a priority value between 0 and
61440.
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