We support port overflow burst mode. You can use the ports beyond the allocated port blocks with the port overflow burst mode. You can configure a burst pool with a range of ports in an IP address to be
reserved for bursting. There are primary and burst pool types, device uses the burst pool type after the subscribers reach the limit configured in the primary pool.
You can configure one or more IP addresses as a separate burst pool. You can configure ports from the same IP address or separate IP address for bursting.