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Command Mode
Global Configuration Mode
Example
Configure the bridge priority as 4096:
TL-SL2428(config)# spanning-tree priority 4096
spanning-tree tc-defend
Description
The spanning-tree tc-defend command is used to configure the TC Protect of
Spanning Tree globally. To return to the default configuration, please use no
spanning-tree tc-defend command. A switch removes MAC address entries
upon receiving TC-BPDUs. If a malicious user continuously sends TC-BPDUs to
a switch, the switch will be busy with removing MAC address entries, which may
decrease the performance and stability of the network.
Syntax
spanning-tree tc-defend threshold threshold period period
no spanning-tree tc-defend
Parameter
threshold —— TC Threshold, ranging from 1 to 100 packets. By default, it is 20.
TC Threshold is the maximum number of the TC-BPDUs received by the switch
in a TC Protect Cycle.
period —— TC Protect Cycle, ranging from 1 to 10 in seconds. By default, it is 5.
Command Mode
Global Configuration Mode
Example
Configure TC Threshold as 30 packets and TC Protect Cycle as 10 seconds:
TL-SL2428(config)# spanning-tree tc-defend threshold 30 period 10
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.
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