MICROSENS 8 Port Gigabit Ethernet Switch User’s Manual
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3-13. STP Configuration
The Spanning Tree Protocol (STP) is a standardized method (IEEE 802.1D) for avoiding
loops in switched networks. When STP is enabled, ensure that only one path is active between
any two nodes on the network at a time. User can enable Spanning Tree Protocol on switch’s
web management and then set up other advanced items. We recommend that you enable STP
on all switches to ensure a single active path on the network.
3-13-1. STP Status
Function name:
STP Status
Function description:
In the Spanning Tree Status, user can read 12 parameters to know STP current status. The
12 parameters’ description is listed in the following table.
Parameter description:
STP State:
Show the current STP Enabled / Disabled status. Default is “Disabled”.
Bridge ID:
Show switch’s bridge ID which stands for the MAC address of this switch.
Bridge Priority:
Show this switch’s current bridge priority setting. Default is 32768.
Designated Root:
Show root bridge ID of this network segment. If this switch is a root bridge, the
“Designated Root” will show this switch’s bridge ID.
Designated Priority:
Show the current root bridge priority.
Root Port:
Show port number connected to root bridge with the lowest path cost.
Root Path Cost:
Show the path cost between the root port and the designated port of the root bridge.
Current Max. Age:
Show the current root bridge maximum age time. Maximum age time is used to
monitor if STP topology needs to change. When a bridge does not receive a hello
message from root bridge until the maximum age time is counted down to 0, the
bridge will treat the root bridge malfunctioned and issue a Topology Change
Notification (TCN) BPDU to all other bridges.
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