Indicates the depth of queue 3, that is, percentage of the buffer exclusively occupied by queue 3. Range: 0-100, -1 The larger the percentage, the more packets can be buffered. The sum of percentages must be 100%. When the percentages are restored to default settings, -1 as a unified queue depth is issued for eight queues. When setting the queue depth, enter at least 7 queues (0-6). The eighth queue depth is automatically calculated. Value range for each queue is 0-100.