3 Configuring DCBX

To configure the CEE interfaces, perform the following steps in global configuration mode.

1.Assign VLANs to the uplink Ethernet port.

NOTE

You must repeat this step for all uplink interfaces. For details, see “Configuring an interface port as a trunk interface” on page 37.

The following example assigns VLAN 10 and VLAN 20 to the uplink Ethernet port.

switch(config)#interface intengigabitethernet 0/1 switch(conf-if-te-0/1)#switchport switch(conf-if-te-0/1)#switchport mode trunk switch(conf-if-te-0/1)#switchport trunk allowed vlan add 10 switch(conf-if-te-0/1)#switchport trunk allowed vlan add 20 switch(conf-if-te-0/1)#no shutdown

2.Apply the VLAN classifier group to the interfaces. For details, see “Activating a VLAN classifier group with an interface port” on page 40.

The following example applies a VLAN classifier group 1 to the interfaces.

switch(config)#interface intengigabitethernet 0/10 switch(conf-if-te-0/1)#switchport switch(conf-if-te-0/1)#switchport mode access switch(conf-if-te-0/1)#switchport access vlan 10 switch(conf-if-te-0/1)#vlan classifier activate group 1 vlan 100 switch(conf-if-te-0/1)#no shutdown

3.Apply the CEE map to the interfaces. For details, see “Applying a CEE provisioning map to an interface” on page 110.

The following example applies the map name.

switch(conf-if-te-0/1)#cee default

4. Enter the copy command to save the running-configfile to the startup-configfile.

switch(conf-if-te-0/1)#exitswitch(config)#end

switch#copy running-config startup-config

Configuring DCBX

DCBX (Data Center Bridging eXchange Protocol) runs on CEE links and is an extension of the Link Layer Discovery Protocol (LLDP). The primary goal of DCBX is to allow the discovery of CEE-capable hosts and switches and allow CEE-specific parameters—such as those for ETS and PFC—to be sent before the link is shared. DCBX parameters use a type-length-value (TLV) format. By default, DCBX is turned on, but there are two TLVs that must be enabled to support FCoE on a CEE link:

dcbx-fcoe-app-tlv – IEEE Data Center Bridging eXchange FCoE Application TLV.

dcbx-fcoe-logical-link-tlv - IEEE Data Center Bridging eXchange FCoE Logical Link TLV. The presence of this TLV declares that the FCoE part of the converged link is UP.

To configure the TLVs for DCBX, perform the following steps in global configuration mode. 1. Set the protocol type to LLDP.

switch(config)#protocol lldp

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Dell Converged Enhanced Ethernet Administrator’s Guide

 

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Dell 53-1002116-01 manual Configuring Dcbx