Table 4-8. Loop Protection Status Fields
The port or trunk ID.
Indicates whether the feature is administratively enabled or disabled on the port.
The action that is set to occur when a loop is detected on the port with loop protection enabled:
• Shutdown Port—The port will be shut down for the configured period.
• Shutdown Port and Log—The event will be logged and the port it shut down for the
• Log Only—The event will be logged and the port remains operational.
Indicates whether the interface is configured (Enabled) to send out loop protection protocol data
units (PDUs) to actively detect loops. When Disabled, the interface does not send out loop
protection PDUs but can receive them from other ports.
The number of loops detected on this interface since the last system boot or since statistics were
The current loop protection status of the port. Link Up indicates the interface is operating
normally. Link Down indicates that the port has been shut down due to the detection of a loop.
Whether a loop is currently detected on the port.
Time of Last Loop
The date and time of the last loop event detected.
Loop Protection Configuration
Use the Loop Protection Configuration page to configure this feature on one or more interfaces. To display this
page, click Switching > Loop Protection in the navigation pane and select the Configuration tab.
Figure 4-11. Loop Protection Configuration Page