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624 CHAPTER 38: MSTP CONFIGURATION COMMANDS
stp tc-protection threshold
Syntax stp tc-protection threshold number
undo stp tc-protection threshold
View System view
Parameters number: Maximum number of times the device deletes forwarding address entries
within a certain period of time immediately after it receives TC-BPDUs, in the
range of 1 to 255.
Description Use the
stp tc-protection threshold command to configure the maximum
number of times the device deletes forwarding address entries within 10 seconds
immediately after it receives TC-BPDUs.
Use the
undo stp tc-protection threshold command to restore the default
configuration.
By default, the device limits the maximum number of times of deleting forwarding
address entries within a certain period of time immediately after it receives
TC-BPDUs to 6 times.
Examples # Set the maximum number of times the device deletes forwarding address entries
within a certain period of time immediately after it receives TC-BPDUs to 10.
<Sysname> system-view
[Sysname] stp tc-protection threshold 10
stp timer forward-delay
Syntax stp timer forward-delay centi-seconds
undo stp timer forward-delay
View System view
Parameters centi-seconds: Forward delay, in the range 400 to 3,000 (in centiseconds). This
argument must be a multiple of 100.
Description Use the
stp timer forward-delay command to set the forward delay timer of
the device.
Use the
undo stp timer forward-delay command to restore the forward delay
timer of the device to the default setting.
By default, the forward delay timer is set to 1,500 centiseconds.
In order to prevent temporary loops, a port must go through an intermediate
state, the learning state, before it transitions from the discarding state to the