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HP 5900 series Command Reference Manual: Stp Tc-protection

Layer 2 - lan switching.
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Related commands
stp edged-port
stp loop-protection

stp tc-protection

Use stp tc-protection to enable the TC-BPDU attack guard function for the device.
Use undo stp tc-protection to disable the TC-BPDU attack guard function for the device.
Syntax
stp tc-protection
undo stp tc-protection
Default
The TC-BPDU attack guard function is enabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
With the TC-BPDU guard function, you can set the maximum number of immediate forwarding address
entry flushes that the device can perform within a certain interval (every 10 seconds). For TC-BPDUs
received that exceed the limit, the device performs a forwarding address entry flush when the interval
elapses. This prevents frequent flushing of forwarding address entries.
Examples
# Disable the TC-BPDU attack guard function for the device.
<Sysname> system-view
[Sysname] undo stp tc-protection
Related commands
stp tc-protection threshold
stp tc-protection threshold
Use stp tc-protection threshold to configure the maximum number of forwarding address entry flushes
that the device can perform within a certain interval (every 10 seconds).
Use undo stp tc-protection threshold to restore the default.
Syntax
stp tc-protection threshold number
undo stp tc-protection threshold
Default
By default, the device can perform a maximum of six forwarding address entry flushes every 10 seconds.
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This manual also for:

5920 series

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