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Besides STP Debug and STP protocol version items, the remaining items are the same as STP describing above.
You can select STP Debug item to output RSTP debug information. If you want to disable the debug, please cancel the item.
Default value of STP Debug is disabled.
STP protocol version item has two values for you to choose. If you want the protocol version to be STP, you can choose STP. If
you want the protocol version to be RSTP, you can choose RSTP. Default value of STP protocol version is RSTP.
The following parameters can be configured on each port, click Apply button to set the values.
You can select one port in the Port Number item to configure the parameters of the port. Besides Path Cost and Priority items,
the remaining items are newly enhanced performance. Priority item is just the same as STP, and the value range of Path Cost
item is different from STP.
Parameter
Description
Path Cost
The contribution of the path through this port, when the port is the root port, to the
total cost of the path to the root for this bridge. Value range <1‐200000000>.
Port Priority
You can make it more or less likely to become the root port, the lowest number has the
highest priority. Value range <0‐240>, the value must be in steps of 16. Default value is
128.
Admin Edge
You can choose the value of YES if you want the port to be edge port. If the port is edge
port, when the port becomes a Designated Port it can rapidly transition to the
Forwarding Port State. Value range <NO | YES>. Default value is NO.
Admin
If you want to disable spanning tree protocol on the port, you can choose the value of
Non ‐STP
YES to this port. Value range <NO | YES>. Default value is NO.
Admin P2P
If you want point‐to‐point link auto detection on the port, you can choose the value of
AUTO to this port. If you want point‐to‐point link of the port always be true, you can
choose the value of YES to this port. If you want point‐to‐point link of the port always
be false, you can choose the value of NO to this port. Value range <AUTO | NO | YES>.
Default value is AUTO.
MSTP system
5.3.4.3
The Multiple Spanning Tree Protocol (MSTP) is a standardized method (IEEE 802.1S) for providing simple and full connectivity for
frames assigned to any given VLAN throughout a Bridged Local Area Network comprising arbitrarily interconnected Bridges, each
operating MSTP, STP , or RSTP. MSTP allows frames assigned to different VLANs to follow separate paths, each based on an
independent Multiple Spanning Tree Instance (MSTI), within Multiple Spanning Tree (MST) Regions composed of LANs and or
MST Bridges. These Regions and the other Bridges and LANs are connected into a single Common Spanning Tree (CST).
You can enable MSTP on web management's switch setting advanced item, select enable MSTP. We are recommended that you
enable MSTP on all switches ensures a single active path on the network.
You can view MSTP information about the CIST Root Bridge. Such as following screen.
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