Specifications

switchport backup flush request transmit
548
switchport backup flush request transmit
Enables the sending of flush control frames to request that the upstream switches clear
their MAC address tables.
Syntax
To set or change information:
switchport backup flush request transmit [vlan <VLAN ID>]
To delete information:
no switchport backup flush request transmit
Input mode
(config-if)
Parameters
vlan <VLAN ID>
Sets the VLAN Tag value to be added to flush control frames.
1. Default value when this parameter is omitted:
Flush control frames are sent in the form of untagged frames.
2. Range of values:
See Specifiable values for parameters.
Default behavior
Flush control frames are not sent.
Impact on communication
None
When the change is applied
The change is applied immediately after setting values are changed.
Notes
1. If a VLAN Tag value is set here, the flush control frames are sent in the form of
tagged frames even if the target port is an access port.
2. Set this command for the primary port.
Related commands
switchport backup interface