Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Configuration Manual page 284

Fibre Channel Interfaces
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
We recommend that you configure E ports on 16-port modules. If you must configure an E port on a
Note
32-port oversubscribed module, then you can only use the first port in a group of four ports (for example,
ports 1 through 4, 5 through 8, and so forth). The other three ports cannot be used.
F Port
In fabric port (F port) mode, an interface functions as a fabric port. This port may be connected to a
peripheral device (host or disk) operating as an N port. An F port can be attached to only one N port. F
ports support class 2 and class 3 service.
FL Port
In fabric loop port (FL port) mode, an interface functions as a fabric loop port. This port may be
connected to one or more NL ports (including FL ports in other switches) to form a public arbitrated
loop. If more than one FL port is detected on the arbitrated loop during initialization, only one FL port
becomes operational and the other FL ports enter nonparticipating mode. FL ports support class 2 and
class 3 service.
TL Port
In translative loop port (TL port) mode, an interface functions as a translative loop port. It may be
connected to one or more private loop devices (NL ports). TL ports are specific to Cisco MDS 9000
Family switches and have similar properties as FL ports. TL ports enable communication between a
private loop device and one of the following devices:
•
•
•
•
TL ports support class 2 and class 3 services.
Private loop devices refer to legacy devices that reside on arbitrated loops. These devices are not aware
of a switch fabric because they only communicate with devices on the same physical loop (see the
"Displaying TL Port Information" section on page 11-32
page
We recommend configuring devices attached to TL ports in zones that have up to 64 zone members.
Tip
Cisco MDS 9000 Family Configuration Guide
11-4
A device attached to any switch on the fabric
A device on a public loop anywhere in the fabric
A device on a different private loop anywhere in the fabric
A device on the same private loop
11-11).
Chapter 11
and "TL Port ALPA Caches" section on
OL-6973-03, Cisco MDS SAN-OS Release 2.x
Configuring Interfaces