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| Sun Ethernet Fabric Operating System ### DCB Administration Guide

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## Configure DCB Features

The following example shows the default configuration values for all three DCB features. Perform the following task to apply the default DCB configuration, enabling all three of the DCB features.

See Default Settings for detailed information about the specifications used in the following example. See other sections in this document for additional details on each command.

1. Start DCB globally.

       SEFOS# configure terminal
       SEFOS(config)# no shutdown dcb

2. Enable DCB features on interface `0/2` and start the interface.

       SEFOS(config)# interface extreme-ethernet 0/2
       SEFOS(config-if)# set dcb enable
       SEFOS(config-if)# set dcb priority-flow-control enable
       SEFOS(config-if)# set dcb priority-flow-control vlan-priority 0 0 0 1 0 0 0 0
       SEFOS(config-if)# set dcb priority-flow-control mode auto
       SEFOS(config-if)# set dcb priority-group enable
       SEFOS(config-if)# set dcb priority-group 0 0 0 1 2 2 2 15 bandwidth 50 30 20 0 0 0 0 0
       SEFOS(config-if)# set dcb priority-group mode auto
       SEFOS(config-if)# set dcb application-etype-fcoe enable
       SEFOS(config-if)# lldp tlv-select dcb1tlv priority-group priority-flow-control applicationetype-fcoe
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# exit

3. Enable DCB features on interface `0/18` and start the interface.

       SEFOS(config)# interface extreme-ethernet 0/18
       SEFOS(config-if)# set dcb enable
       SEFOS(config-if)# set dcb priority-flow-control enable
       SEFOS(config-if)# set dcb priority-flow-control vlan-priority 0 0 0 1 0 0 0 0
       SEFOS(config-if)# set dcb priority-flow-control mode auto
       SEFOS(config-if)# set dcb priority-group enable
       SEFOS(config-if)# set dcb priority-group 0 0 0 1 2 2 2 15 bandwidth 50 30 20 0 0 0 0 0
       SEFOS(config-if)# set dcb priority-group mode auto
       SEFOS(config-if)# set dcb application-etype-fcoe enable
       SEFOS(config-if)# lldp tlv-select dcb1tlv priority-group priority-flow-control applicationetype-fcoe
       SEFOS(config-if)# no shutdown
       SEFOS(config-if)# end

4. Assign `VLAN 201` to ports 2 and 18 for traffic pass-through and isolation.

       SEFOS# configure terminal
       SEFOS(config)# vlan 201
       SEFOS(config-vlan)# ports add extreme-ethernet 0/2,0/18
       SEFOS(config-vlan)# exit

5. Start LLDP globally.

   LLDP must be started and enabled for DCBX protocol TLVs exchange.

       SEFOS(config)# no shutdown lldp
       SEFOS(config)# set lldp enable
       SEFOS# end

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