How to Configure FCoE Ports

FCoE functionality is provided through Ethernet interfaces. Fibre Channel over Ethernet (FCoE) ports are logical entities associated with Ethernet interfaces.

Within a Solaris host, there is a one-to-one mapping of FCoE ports and Ethernet interfaces---you can associate only one FCoE port with a given Ethernet interface. FCoE and IP cannot share the same Ethernet interface, so before you create an FCoE port on an Ethernet interface, ensure that the interface has been unplumbed.

How to Enable 802.3x PAUSE and Jumbo Frames on the Ethernet Interface

Perform the following prerequisites before you create an FCoE port on an Ethernet interface:

Enable the 802.3x (also called PAUSE) setting on the Ethernet interface. This setting ensures a consistent Ethernet transport.
Enable jumbo frames (> 2.5 Kbyte) on the Ethernet interface. A Fibre Channel data frame can be as large as 2136 bytes.

These settings can vary for different Ethernet hardware and drivers. In most cases, you must modify the driver.conf file of the Ethernet interface, and then reboot. See the driver.conf file for your Ethernet interface for details on how to enable these features.

How to Create FCoE Target Ports

Create an FCoE target port on a specified network interface.
```
# fcadm create-fcoe-port -t nxge0
```
If the Ethernet interface you selected does not support multiple unicast address (for example, the VMware network interface), you are prompted to explicitly enable promiscuous mode on that interface.
```
# fcadm create-fcoe-port -t -f e1000g0
```
If no error messages appear, the FCoE target port is created and the FCoE target is online.

How to Verify That an FCoE Target Port is Working

List the FCoE ports you created.

# fcadm list-fcoe-ports

HBA Port WWN: 200000144fda7f66
    Port Type: Target
    MAC Name: nxge0
    MTU Size: 9194
    MAC Factory Address: 00144fda7f66
    MAC Current Address: 0efc009a002a
    Promiscuous Mode: On

List all target mode Fibre Channel HBA ports on the host.

# fcinfo hba-port -t

HBA Port WWN: 200000144fda7f66
    Port Mode: Target
    Port ID: 9a002a
    OS Device Name: Not Applicable
    Manufacturer: Sun Microsystems, Inc.
    Model: FCoE Virtual FC HBA
    Firmware Version: N/A
    FCode/BIOS Version: N/A
    Serial Number: N/A
    Driver Name: COMSTAR FCOET
    Driver Version: 1.0
    Type: F-port
    State: online
    Supported Speeds: 1Gb 10 Gb
    Current Speed: 10Gb
    Node WWN: 100000144fda7f66

View a list of the FCoE target ports.
The -v option displays additional information about the target, along with SCSI session information for logged-in initiators.

# stmfadm list-target -v

Target wwn.200000144FDA7F66
     Operational Status: Online
     Provider Name     : fcoet
     Alias             : fcoet1
     Sessions          : 1
          Initiator: wwn.210000E08B818343
              Alias: #QLA2342 FW:v3.03.25 DVR:v8.02.14.01
              Logged in since: Wed Feb 11 15:56:51 2009

FCoE port configuration is persistent across reboots. All configured FCoE ports are created and placed online automatically after a reboot.

How to Delete FCoE Target Ports

You can disable FCoE functionality when needed.

Take the FCoE target port offline.

# stmfadm offline-target wwn.200000144fda7f66

Remove the FCoE target port.
```
# fcadm delete-fcoe-port nxge0
```

Where to Go Next

How to Make Logical Units Available for FC and FCoE

How to Configure FCoE Ports