Figure 247 – Brocade Network Advisor IP User Manual v12.3.0 User Manual

Page 671

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Brocade Network Advisor IP User Manual

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53-1003153-01

QoS configuration

17

FIGURE 247

QoS, Create DCB Map dialog box

4. Select DCB from the Map Type list.

5. Configure the following DCB map parameters in the DCB Map area:

Name - Enter a name to identify the DCB map.

NOTE

Only one DCB map (the default) is supported on Fabric OS version 6.3.1_dcb and version
7.0.0 and later.

Precedence - Enter a value from 1 through 100. This number determines the map’s
priority.

Priority Flow Control check box - Check to enable priority-based flow control on individual
priority groups.

CoS - Click the CoS cell to launch the Edit CoS dialog box, where you can select and assign
one or more priorities (PG ID 15.0 through 15.7).

All of the eight CoS values (0-7) must be used in a DCB map, separated with a comma and
a space. Duplicate CoS values in two or more priority groups are not allowed.

NOTE

You can only edit CoS fields that are displayed with a green tick mark.

% Bandwidth (optional) - While in the Edit CoS dialog box, enter a bandwidth value for
priority group (PG) IDs 15.0 through 15.7. You must map each CoS to at least one of the PG
IDs.

Note the following points:

You cannot define a bandwidth percentage for strict priorities (PG ID 15.0-15.7). The
total bandwidth percentage for PG ID 15.0 through 15.7 must equal 0.

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