TP-Link TL-SG2424P TL-SG2424P V1 CLI Reference Guide - Page 124

spanning-tree tc-defend, spanning-tree timer

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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 ii 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 ii 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-SG2424P(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. Syntax spanning-tree timer {[ forward-time forward-time ] [ hello-time hello-time ] [ max-age max-age ]} no spanning-tree timer 114

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114
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-SG2424P(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.
Syntax
spanning-tree timer
{[
forward-time
forward-time
] [
hello-time
hello-time
]
[
max-age
max-age
]}
no spanning-tree timer