iES26G Series User’s Manual
iS5 Communications Inc.
33
RSTP Bridge Setting interface
The following table describes the labels for the RSTP Bridge Setting screen.
Label
Description
RSTP mode
The RSTP function must be enabled or disabled before configuring
any of the related parameters.
Priority (0-61440)
A value used to identify the root bridge. The bridge with the lowest
value and with the highest priority is selected as the root. If the
value changes, the switch must be rebooted. The value must be a
multiple of 4096 according to the protocol standard.
Max Age Time(6-40)
The number of seconds for a bridge to wait without receiving
Spanning
Tree
Protocol
configuration
messages
before
reconfiguration. Enter a value between 6 and 40.
Hello Time (1-10)
The time that the Control Switch sends out the BPDU (Bridge Protocol
Data Unit) packet to verify the current status of RSTP. Enter a value
between 1 and 10.
Forwarding Delay Time (4-30)
The number of seconds a port has to wait before changing from
learning/listening state to forwarding state. Enter a value between
4 and 30.
Apply
Click “
Apply
” to set the configurations.
Help
Show help file.
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)