Nortel business policy switch 2000, User Manual

Page: 314 / 412

314 Chapter 5 Sample QoS configuration
208700-C
5
In the Interface Class field, choose
untrusted
.
By selecting untrusted, incoming DSCP values will be changed. (Refer to
Chapter 4 for more information on trusted, untrusted, and unrestricted
interfaces classes.)
By using system defaults or manual configurations, you configure whether the
DSCP value is changed.
6
Click Submit.
The new entry appears in the Interface Group Table.
7 Click the modify icon of the new role combination to assign interfaces.
The Interface Group Assignment page opens ( Figure 105 ).
Figure 105 Interface Group Assignment page
The Interface Group Assignment page displays the name of the interface
group (role combination), the capabilities, and the interface class (or type of
interface) in the group.
Note: Nortel Networks recommends that you use the default
configurations. By choosing “Use Defaults” in the Set Drop Precedence
and Update Priority fields in the QoS Advanced > Action page, the
DSCP value will be used to update IEEE 802.1p user priority and drop
precedence based on values in the DSCP mapping table.