3com 2948-SFP Plus User Guide

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C
HAPTER 13: 
C
ONFIGURING 
Q
UALITY 
O
S
ERVICE
157
Configuring Trust  
Settings 
The Trust Setup Page contains information for enabling trust on  
configured interfaces. The original device QoS default settings can be 
reassigned to the interface in the Trust Setup Page. 
To enable Trust: 
1  Click Device > QoS > Trust Setup. The Trust Setup Page opens. 
Figure 85    Trust Setup Page 
The Trust Setup Page contains the following fields: 
 
Trust Mode — Defines which packet fields to use for classifying  
 
packets entering the device. When no rules are defined, the traffic  
 
containing the predefined packet CoS field is mapped according to  
 
the relevant trust modes table. Traffic not containing a predefined  
 
packet field is mapped to “best effort”. The possible Trust Mode  
 
field values are: 
 
  CoS — Classifies traffic based on the CoS tag value. 
 
  DSCP — Classifies traffic based on the DSCP tag value. 
2   Define the fields. 
3   Click Apply. Trust mode is enabled on the device.