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24 Dell Converged Enhanced Ethernet Administrator’s Guide
53-1002116-01
Configuring DCBX
3
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-config file to the startup-config file.
switch(conf-if-te-0/1)#exit
switch(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