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stp tc-protection threshold
Description
Use the stp tc-protection threshold command to configure the maximum number of forwarding address
entry flushes that the device can perform every a certain period of time (10 seconds).
Use the undo stp tc-protection threshold command to restore the default.
By default, the device can perform a maximum of six forwarding address entry flushes every 10 seconds.
Syntax
stp tc-protection threshold number
undo stp tc-protection threshold
View
System view
Default level
2: System level
Parameter
number: Sets the maximum number of immediate forwarding address entry flushes that the device can
perform within a certain period of time (10 seconds). The value is in the range of 1 to 255.
Example
# Configure the device to perform up to 10 forwarding address entry flushes every 10 seconds.
<Sysname> system-view
[Sysname] stp tc-protection threshold 10
stp timer forward-delay
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 default.
By default, the forward delay timer is 1500 centiseconds.
The forward delay timer determines the time interval of state transition. To prevent temporary loops, a
spanning tree port goes through the learning (intermediate) state before it transitions from the discarding
to the forwarding state. To stay synchronized with the remote device, the port has a wait period between
transition states that is determined by the forward delay timer.
To set the forward delay in STP/RSTP/MSTP mode, use this command without any VLAN specified. To set
the forward delay for a specific VLAN or multiple VLANs in PVST mode, use this command with a VLAN
list specified.
HP does not recommend that you set the forward delay with this command. Instead, you can specify the
network diameter of the switched network by using the stp bridge-diameter command and let spanning
tree protocols automatically calculate optimal settings of the forward delay timer. If the network diameter
uses the default value, the forward delay timer also uses the default value.
Related commands: stp timer hello, stp timer max-age, and stp bridge-diameter.
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