mac

476
Parameter: None.
Default: By default, enable sending the flush packets of deleting ARP.
Command mode: ULPP group configuration mode.
Usage Guide: If enable this function, when the link is switched, it will actively send the
flush packets to notify the upstream device, so as to delete the list entries of ARP.
Example: Enable sending the flush packets of deleting ARP.
Switch(config)# ulpp group 20
Switch(ulpp-group-20)# flush enable arp
39.11 flush enable mac
Command: flush enable mac
Function: Enable sending the flush packets of updating MAC address.
Parameter: None.
Default: By default, enable sending the flush packets of updating MAC address.
Command mode: ULPP group configuration mode.
Usage Guide: If enable this function, when the link is switched, it will actively send the
flush packets to notify the upstream device, so as to update the MAC address table.
Example: Enable sending the flush packets of updating MAC address.
Switch(config)# ulpp group 20
Switch(ulpp-group-20)# flush enable mac
39.12 preemption delay
Command: preemption delay <integer>
no preemption delay
Function: Configure the preemption delay, the no command configures the preemption
delay as the default value.
Parameter: <integer>: the preemption delay, range from 1 to 600, in second.
Default: The default preemption delay is 30.
Command mode: ULPP group configuration mode.
Usage Guide: The preemption delay is the delay time before the master port is
preempted as the forwarding state, for avoiding the link oscillation in a short time. After the
preemption mode is enabled, the preemption delay takes effect.
Example: Configure the preemption delay as 50s for ULPP group.
Switch(config)# ulpp group 20
Switch(ulpp-group-20)# preemption delay 50