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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:
TP-LINK(config)# spanning-tree tc-defend threshold 30 period 10
spanning-tree security
Description
The spanning-tree security command is used to configure MSTP Port Protect.
To return to the default configuration, please use no spanning-tree security
command. Port Protect function is to prevent the devices from any malicious
attack against STP features.
Syntax
spanning-tree security [loop { disable | enable }] [root { disable | enable }] [TC
{ disable | enable }] [defend { disable | enable }] [hold { disable | enable }]
no spanning-tree security
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