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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 device
can perform within a certain period of time (10 seconds). The value ranges from 1 to 255.
Description
Use
stp tc-protection threshold
to configure the maximum number of forwarding address entry
flushes that the device can perform every a certain period of time (10 seconds).
Use
undo stp tc-protection threshold
to restore the default.
By default, the device can perform a maximum of six forwarding address entry flushes every 10
seconds.
Examples
# Configure the device to perform up to 10 forwarding address entry flushes every 10 seconds.
<Sysname> system-view
[Sysname] stp tc-protection threshold 10
stp tc-snooping
Syntax
stp tc-snooping
undo stp tc-snooping
View
System view
Default level
2: System level
Parameters
None
Description
Use
stp tc-snooping
to enable topology change (TC) snooping.
Use
undo stp tc-snooping
to disable TC snooping.
By default, TC snooping disabled.
TC snooping and STP are mutually exclusive. Before enabling TC snooping, first disable STP
globally.
TC snooping does not take effect on the ports on which BPDU tunneling is enabled for STP. For more
information about BPDU tunneling, see
Layer 2—LAN Switching Configuration Guide
.