Port Management
Configuring Ports
183 Cisco 500 Series Stackable Managed Switch Administration Guide
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• Automatic Recovery Interval—Specify the time delay for automatic error
recovery, if enabled, after a port is shutdown
Automatic ErrDisable Recovery
• Port Security—Select to enable automatic error recovery when the port
has been shut down for port security violations
• 802.1x Single Host Violation—Select to enable automatic error recovery
when the port has been shut down by 802.1x.
• ACL Deny—Select to enable automatic error recovery mechanism by an
ACL action.
• STP BPDU Guard—Select to enable automatic error recovery mechanism
when the port has been shut down by STP BPDU guard.
• STP Loopback Guard— Enable automatic recovery when the port has been
shut down by STP Loopback Guard.
• UDLD—Select to enable automatic error recovery mechanism for the UDLD
shutdown state.
• Loopback Detection—Select to enable error recovery mechanism for ports
shut down by loopback detection.
STEP 3 Click Apply to update the global setting.
To manually reactivate a port:
STEP 1 Click Port Management > Error Recovery Settings.
The list of inactivated interfaces along with their Suspension Reason is displayed.
STEP 2 Select the interface to be reactivated.
STEP 3 Click Reactivate.