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Priority Type
There are 3 priority type selections available—CoS, TOS-only, TOS first, . Disable
means no priority type is selected.
CoS
Set up the COS priority level. With the drop-down selection item of Priority
Type above being selected as COS only/COS first, this control item will
then be available to set the queuing policy for each port.
ToS-only
ToS priority: the system provides 0~63 ToS priority level. Each level has 8
type of priority - 0~7. The default value is "1" priority for each level. When
the IP packet is received, the system will check the ToS level value in the IP
packet has received. For example: user set the ToS level 25 is 7. The port 1
is following the ToS priority policy only. When the packet received by port 1,
the system will check the ToS value of the received IP packet. If the ToS
value of received IP packet is 25(priority = 7), and then the packet priority
will have highest priority.
ToS-First
When the packet tag with both the CoS and ToS , the switch will check the
ToS tag at first, then check the CoS tag.
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General