Milan Technology MIL-SM801P - Manual (Page 33)

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4-3-5. Priority Configuration
1.There are eight (0~7) priority levels that can be mapped as high or low
priority queues.
2.High/Low Queue Service Ratio (High:Low) : User can select the ratio
of high priority packets to low priority packets.
Actions->
: Configures all items. When finished press ESC to return to the
action menu.
: Saves all configuration values.
: Exits this page and returns to the previous menu.
First In First Out: The sequence of packets sent depends upon the arrival
order.
High - Low: The high priority packets are sent before the low priority
packets.
Ratio: Select the preference given to packets in the switch's high-priority
queue. These options represent the number of high priority packets sent
before one low priority packet is sent. For example, 2 High : 1 Low means
that the switch sends 2 high priority packets before sending 1 low priority
packet.