3Com 8807 Command Reference Manual page 259

Parameter
cos0-map-drop-prec: Mapping value from CoS 0 to drop precedence, in the range
of 0 to 2.
cos1-map-drop-prec: Mapping value from CoS 1 to drop precedence, in the range
of 0 to 2.
cos2-map-drop-prec: Mapping value from CoS 2 to drop precedence, in the range
of 0 to 2.
cos3-map-drop-prec: Mapping value from CoS 3 to drop precedence, in the range
of 0 to 2.
cos4-map-drop-prec: Mapping value from CoS 4 to drop precedence, in the range
of 0 to 2.
cos5-map-drop-prec: Mapping value from CoS 5 to drop precedence, in the range
of 0 to 2.
cos6-map-drop-prec: Mapping value from CoS 6 to drop precedence, in the range
of 0 to 2.
cos7-map-drop-prec: Mapping value from CoS 7 to drop precedence, in the range
of 0 to 2.
Description
Use the qos cos-drop-precedence-map command to configure the "CoS ->
Drop-precedence" mapping table.
Use the undo qos cos-drop-precedence-map command to restore the default
values of the "CoS -> Drop-precedence" mapping table.
The system provides "CoS -> Drop-precedence" mapping table as the default
value.
Table 35 Default "CoS - Drop-precedence" mapping table
CoS Value
0
1
2
3
4
5
6
7
After receiving a packet, the switch allocates a set of service parameters to it
according to a specific rule. The service parameters, including CoS value, local
precedence and drop level, are determined according to the packet 802.1p priority
value. CoS value is the packet 802.1p priority value, while local and drop
precedence values are obtained according to the "CoS -> Local-precedence"
QoS Commands
Drop-precedence
0
0
0
0
0
0
0
0
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