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[Input mode]
unprivileged EXEC mode, priviledged EXEC mode
[Description]
Shows the settings and status of the loop detection function.
The following items are shown.
Setting of the system-wide loop detection function
Port Blocking loop clearing detection interval ("auto" or "N seconds")
Loop detection status for each LAN/SFP+ port and logical interface
Interface name (port, sa, po)
Setting of the loop detection function (loop-detect) for LAN/SFP+ port and logical interface. If the loop detection
function is operating, (*) is added
Status of the Port Blocking setting (port-blocking)
Loop detection status (status)
[Note]
This is not shown for LAN/SFP+ port that belong to a logical interface.
[Example]
Show the loop detection status.
SWP2>show loop-detect
loop-detect: Enable
port-blocking interval: 300 seconds
port loop-detect port-blocking status
-------------------------------------------------------
port1.1 enable(*) enable Detected
port1.2 enable(*) enable Blocking
port1.3 enable(*) enable Normal
port1.4 enable(*) disable Normal
port1.5 enable(*) enable Normal
port1.6 enable(*) enable Shutdown
port1.7 disable enable ------
: : : :
sa1 enable(*) enable Blocking
: : : :
po1 enable(*) enable Normal
: : : :
-------------------------------------------------------
(*): Indicates that the feature is enabled.
6.5 DHCP snooping
6.5.1 Enable/disable setting for DHCP snooping (system)
[Syntax]
ip dhcp snooping switch
no ip dhcp snooping
[Parameter]
switch : System-wide DHCP snooping function setting
Setting value Description
enable
Enables settings of the DHCP snooping function
for the entire system
disable
Disables settings of the DHCP snooping
function for the entire system
[Initial value]
ip dhcp snooping disable
Command Reference | Layer 2 functions | 217