Brocade Network Advisor SAN User Manual v11.1x (53-1002167-01, May 2011)
354 Brocade Network Advisor SAN User Manual
53-1002167-01
QoS configuration
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4. Select DCB from the Map Type list.
5. Configure the following DCB Map parameters in the DCB Map table:
• Name - Enter a name to identify the DCB map. If the switch is a 10 Gbps DCB/FC switch
module, you cannot change the name.
• Precedence - Enter a value between 1 - 100. This number determines the map’s priority.
• Priority Flow Control check box - Check to enable priority 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. 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 15.00 to 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 for PG ID 15.0-15.7 must equal 0%.
• If you set a CoS value to one or more of the PG IDs 0-7, you must also enter a non-0%
bandwidth percentage. The total % Bandwidth must equal 100%.
• For PG IDs 0-7 that do not have an assigned CoS value or PFC enabled, the %
Bandwidth must be 0%.
6. Click the right arrow button to add the map to the DCB Maps table.
If a DCB map exists with the same name, a validation dialog box launches and you are asked if
you want to overwrite the map.
7. Cl ic k OK.
8. When you have finished the configuration, click OK to launch the Deploy to Products dialog
box, shown in Figure 134.
Editing a DCB map
1. Select Configure > DCB from the menu bar.
The DCB Configuration dialog box displays, showing the status of all DCB-related hardware and
functions.
2. Select a switch, and click Edit.
3. Click the QoS tab on the Edit Switch dialog box.
The QoS dialog box displays.
4. Select a DCB Map from the DCB Maps table, and click the left arrow button to load its values to
the left pane. The fields are now editable.