15.2.1 Command list

The following table lists the commands used to configure uplink redundancy.

Table 15-4: List of configuration commands
Command name	Description
switchport backup flush-request transmit	Enables the sending of flush control frames to upstream switches at switchover or switch-back to request that the upstream switches clear their MAC address tables.
switchport backup interface	Allows you to specify a primary port and secondary port for uplink redundancy and define them as an uplink port pair. You can also specify the automatic switch-back wait time to enable automatic switch-back.
switchport backup mac-address-table update exclude-vlan	Specifies a VLAN as one to which MAC address update frames are not to be sent.
switchport backup mac-address-table update transmit	Enables the sending of MAC address update frames to upstream switches at switchover or switch-back to request that the upstream switches update their MAC address tables.
switchport backup reset-flush-port	Enables the port reset function at switching and switchback.
switchport backup reset-flush-time	Sets the port down time by the port reset function.
switchport-backup startup-active-port-selection	Enables the functionality to fix the active port at Switch startup.

The following table lists the operation commands related to uplink redundancy.

Table 15-5: List of operation commands
Command name	Description
show switchport-backup	Shows information about uplink redundancy.
show switchport-backup statistics	Shows statistics pertaining to uplink redundancy.
clear switchport-backup statistics	Deletes statistics pertaining to uplink redundancy.
set switchport-backup active	Specifies a new active port.
restart uplink-redundant	Restarts the uplink redundancy program.
dump protocols uplink-redundant	Outputs dump data regarding uplink redundancy to a file.