H3C S5120-EI Series - Stp Tc-Protection; Stp Tc-Protection Threshold

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stp tc-protection
Syntax
stp tc-protection enable
stp tc-protection disable
View
System view
Default level
2: System level
Parameters
None
Description
Use the stp tc-protection enable command to enable the TC-BPDU attack guard function for the switch.
Use the stp tc-protection disable command to disable the TC-BPDU attack guard function for the switch.
By default, the TC-BPDU attack guard function is enabled.
Examples
# Disable the TC-BPDU attack guard function for the switch.
<Sysname> system-view
[Sysname] stp tc-protection disable
stp tc-protection threshold
Syntax
stp tc-protection threshold number
undo stp tc-protection threshold
View
System view
Default level
2: System level
Parameters
number: Sets the maximum number of immediate forwarding address entry flushes that the switch can
perform within a certain period of time after it receives the first TC-BPDU. The argument ranges from 1 to
255.
Description
Use the stp tc-protection threshold command to configure the maximum number of forwarding address
entry flushes that the switch can perform within a certain period of time after it receives the first TC-BPDU.
Use the undo stp tc-protection threshold command to restore the default.
By default, the switch can perform a maximum of six forwarding address entry flushes within 10 seconds
after it receives the first TC-BPDU.