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TL-SL3428/TL-SL3452 JetStream L2 Managed Switch CLI Guide
167
spanning-tree timer
Description
The spanning-tree timer command is used to configure forward-time,
hello-time and max-age of Spanning Tree. To return to the default configurations,
please use no spanning-tree timer command.
Syntax
spanning-tree timer { [forward-time forward-time] [hello-time hello-time]
[max-age max-age] }
no spanning-tree timer
Parameter
forward-time —— Forward Delay, which is the time for the port to transit its
state after the network topology is changed. Forward Delay ranges from 4 to 30
in seconds and it is 15 by default. Otherwise, 2 * (Forward Delay - 1) >= Max
Age.
hello-time ——Hello Time, which is the interval to send BPDU packets, and
used to test the links. Hello Time ranges from 1 to 10 in seconds and it is 2 by
default. Otherwise, 2 * (Hello Time + 1) <= Max Age.
max-age —— The maximum time the switch can wait without receiving a
BPDU before attempting to reconfigure, ranging from 6 to 40 in seconds. By
default, it is 20.
Command Mode
Global Configuration Mode
Example
Configure forward-time, hello-time and max-age for Spanning Tree as 16
seconds, 3 seconds and 22 seconds respectively:
TL-SL3428(config)#spanning-tree timer forward-time 16 hello-time 3
max-age 22
spanning-tree hold-count
Description
The spanning-tree hold-count command is used to configure the maximum
number of BPDU packets transmitted per Hello Time interval. To return to the
default configurations, please use no spanning-tree hold-count command.