PT-7728 User’s Manual Featured Functions
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Strict In the Strict-priority scheme, all top-priority frames
egress a port until that priority’s queue is empty, and
then the next lower priority queue’s frames egress. This
approach can cause the lower priorities to be starved of
opportunity for transmitting any frames but ensures all
high priority frames to egress the switch as soon as
possible.
Inspect TOS
Setting Description Factory Default
Enable/Disable This enables or disables the PT-7728 to inspect the Type
of Service (TOS) bits in IPV4 frame to determine the
priority of each frame.
Enable
Inspect COS
Setting Description Factory Default
Enable/Disable This enables or disables the PT-7728 to inspect the
802.1p COS tag in the MAC frame to determine the
priority of each frame.
Enable
CoS Mapping
Setting Description Factory
Low/Normal/
Medium/High
This maps different CoS values to 4 different egress
queues.
0: Low
1: Low
2: Normal
3: Normal
4: Medium
5: Medium
6: High
7: High
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