display mac-address flapping

Function

The display mac-address flapping command displays the configuration of MAC address flapping detection.

Format

display mac-address flapping

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

After MAC address flapping detection is configured, you can run the display mac-address flapping command to check the configuration.

The command output includes the following information:

Whether MAC address flapping detection is configured.
Aging time of flapping MAC addresses.
Delay time before the interface joins a VLAN again after it is removed from the VLAN.
VLAN that does not require MAC address flapping detection.
List of VLANs of three security levels defined for MAC address flapping detection

Example

# Display the configuration of MAC address flapping detection.

<HUAWEI> display mac-address flapping
MAC address Flapping Configurations :                                                                                               
----------------------------------------------------------------------------                                                        
  Flapping detection          : Enable                                                                                              
  Aging time(sec)             : 300                                                                                                 
  Quit VLAN Recover time(min) : 10                                                                                                  
  Exclude VLAN list           : -                                                                                                   
  Low level VLAN list         : -                                                                                                   
  Middle level VLAN list      : 1 to 4094                                                                                           
  High level VLAN list        : -                                                                                                  
----------------------------------------------------------------------------

**Table 1** Description of the display mac-address flapping command output
Item	Description
Flapping detection	MAC address flapping detection status: Enable: MAC address flapping detection is enabled. Disable: MAC address flapping detection is disabled. To specify the parameter, run the mac-address flapping detection command.
Aging time(sec)	Aging time of flapping MAC addresses. To specify the parameter, run the mac-address flapping aging-time command.
Quit VLAN Recover time(min)	Delay time before the interface joins a VLAN again after it is removed from the VLAN. To specify the parameter, run the mac-address flapping quit-vlan recover-time command. The default value is 10. If the value is 0, the interface cannot join a VLAN again after it is removed from the VLAN.
Exclude VLAN list	VLAN that does not require MAC address flapping detection. To specify the parameter, run the mac-address flapping detection exclude vlan command. If such a VLAN is specified, the VLAN ID is displayed. If the VLAN is not specified, this field is displayed as -.
Low level VLAN list	List of VLANs of low security level defined for MAC address flapping detection. To specify the parameter, run the mac-address flapping detection vlan security-level command.
Middle level VLAN list	List of VLANs of middle security level defined for MAC address flapping detection. To specify the parameter, run the mac-address flapping detection vlan security-level command.
High level VLAN list	List of VLANs of high security level defined for MAC address flapping detection. To specify the parameter, run the mac-address flapping detection vlan security-level command.