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Group Configuration interface
4.1.28
R
APID
S
PANNING
T
REE
The Rapid Spanning Tree Protocol (RSTP) is an evolution of the Spanning Tree Protocol and provides for faster spanning
tree convergence after a topology change. The system also supports STP and the system will auto detect the connected
device that is running STP or RSTP protocol.
4.1.28.1
RSTP - System Configuration
Users can view spanning tree information about the Root Bridge
Users can modify RSTP state. After modification, click
Apply
button
¾
RSTP mode:
users must enable or disable RSTP function before configure the related parameters
¾
Priority (0-61440):
a value used to identify the root bridge. The bridge with the lowest value has the highest
priority and is selected as the root. If the value changes, user must reboot the switch. The value must be
multiple of 4096 according to the protocol standard rule
¾
Max Age (6-40):
the number of seconds a bridge waits without receiving Spanning-tree Protocol configuration
messages before attempting a reconfiguration. Enter a value between 6 through 40
¾
Hello Time (1-10):
the time that controls switch sends out the BPDU packet to check RSTP current status. Enter a
value between 1 through 10
¾
Forward Delay Time (4-30):
the number of seconds a port waits before changing from its Rapid Spanning-Tree
Protocol learning and listening states to the forwarding state. Enter a value between 4 through 30
[NOTE]
Follow the rule to configure the MAX Age, Hello Time, and Forward Delay Time.
2 x (Forward Delay Time value –1) > = Max Age value >= 2 x (Hello Time value +1)
