3com WXR100 3CRWXR10095A User Manual

Page of 750
130
C
HAPTER
 6: Q
UALITY
 
OF
 S
ERVICE
 C
OMMANDS
„
Classify inbound packets by mapping their DSCP values to one of 
eight internal QoS values
„
Classify outbound packets by marking their DSCP values based on the 
switch’s internal QoS values
Syntax — 
clear qos [cos-to-dscp-map [from-qos] | 
dscp-to-cos-map [from-dscp]]
„
cos-to-dscp-map
 — Resets the mapping between the specified 
internal QoS value and the DSCP values with which MSS marks 
outbound packets. QoS values are from 0 to 7.
„
dscp-to-cos-map
 — Resets the mapping between the specified range 
of DSCP values and internal QoS value with which MSS classifies 
inbound packets.
Defaults — None.
Access — Enabled.
History —Introduced in MSS Version 4.1.
Usage — To reset all mappings to their default values, use the clear qos 
command without the optional parameters.
Examples — The following command resets all QoS mappings:
WX1200# clear qos
success: change accepted.
The following command resets the mapping used to classify packets with 
DSCP value 44:
WX1200# clear qos dscp-to-qos-map 44
success: change accepted.