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STP enabled - STP - STP
LPD enabled
STP disabled - - LPD LPD
STP enabled - STP LPD STP
[Example]
Enable the loop detection function of LAN port #1.
SWP2(config)#interface port1.1
SWP2(config-if)#loop-detect enable
Disable the loop detection function of LAN port #1.
SWP2(config)#interface port1.1
SWP2(config-if)#loop-detect disable
6.4.3 Set port blocking for loop detection
[Syntax]
loop-detect blocking switch
no loop-detect blocking
[Parameter]
switch : Set port blocking for the applicable interface
Setting value Description
enable Enables port blocking for the applicable interface
disable
Disables port blocking for the applicable
interface
[Initial value]
loop-detect blocking enable
[Input mode]
interface mode
[Description]
Enables or disables blocking when a loop is detected for the applicable interface.
If this is executed with the "no" syntax, the setting returns to the default.
[Note]
This command can be specified only for LAN/SFP+ port.
[Example]
Block if a loop is detected on LAN port #1.
SWP2(config)#interface port1.1
SWP2(config-if)#loop-detect blocking enable
Do not block if a loop is detected on LAN port #1.
SWP2(config)#interface port1.1
SWP2(config-if)#loop-detect blocking disable
6.4.4 Reset loop detection status
[Syntax]
loop-detect reset
[Input mode]
priviledged EXEC mode
[Description]
Resets the loop detection status of all interfaces.
[Note]
This command can be executed only if the system-wide loop detection function is enabled.
192 | Command Reference | Layer 2 functions