Brocade Communications Systems IP250 user manual Configuring Lldp

16 DCB configuration

•Name - Enter a name to identify the DCB map.

•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. 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 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.

•If you set a CoS value to one or more of the PG IDs 0-7, you must also enter a non-zero bandwidth percentage. The total bandwidth percentage must equal 100.

•For PG IDs 0-7 that do not have an assigned CoS value or PFC enabled, the bandwidth percentage must be 0.

6.Click the right arrow button to add the map to the DCB Maps list.

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.Click OK.

8.When you have finished the configuration, click OK to launch the Deploy to Products dialog box.

Configuring LLDP

To configure LLDP, complete the following steps.

1.Select Configure > DCB.

The DCB Configuration dialog box displays.

2.Select the switch to edit from the Product/Ports list and click Edit. The Edit Switch dialog box displays.

3.Click the LLDP-DCBXtab.

The Edit Switch dialog box - LLDP-DCBXtab displays, as shown in Figure 183.

490	Brocade Network Advisor IP User Manual
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