Administrator Guide

PFC available buffer ( in KB): 5694--Indicates remaining available buffers for
PFC that are free to be allocated
Fibre Channel over Ethernet for FC Flex
IO Modules
FCoE provides a converged Ethernet network that allows the combination of storage-area network (SAN) and
LAN traffic on a Layer 2 link by encapsulating Fibre Channel data into Ethernet frames.
The Fibre Channel (FC) Flex IO module is supported on Dell Networking Operating System (OS) FN IOM. The
FN IOM switch installed with the FC Flex IO module functions as a top-of-rack edge switch that supports
converged enhanced Ethernet (CEE) traffic — Fibre channel over Ethernet (FCoE) for storage, Interprocess
Communication (IPC) for servers, and Ethernet local area network (LAN) (IP cloud) for data — as well as FC
links to one or more storage area network (SAN) fabrics.
FCoE works with the Ethernet enhancements provided in Data Center Bridging (DCB) to support lossless (no-
drop) SAN and LAN traffic. In addition, DCB provides flexible bandwidth sharing for different traffic types, such
as LAN and SAN, according to 802.1p priority classes of service. DCBx should be enabled on the system
before the FIP snooping feature is enabled.
All of the commands that are supported for FCoE on the FN IOM apply to the FC Flex IO modules. Similarly,
all of the configuration procedures and the settings that are applicable for FCoE on the FN IOM are valid for
the FC Flex IO modules.
NPIV Proxy Gateway for FC Flex IO
Modules
The N-port identifier virtualization (NPIV) Proxy Gateway (NPG) feature provides FCoE-FC bridging capability
on the
FN IOM with the FC Flex IO module switch, allowing server CNAs to communicate with SAN fabrics
over the FN IOM with the FC Flex IO module.
To configure the FN IOM with the FC Flex IO module to operate as an NPIV proxy gateway, use the following
commands:
NPIV Proxy Gateway Configuration on FC Flex
IO Modules
The Fibre Channel (FC) Flex IO module is supported on the FN IOM. The FN IOM switch, installed with the FC
Flex IO module, function as a top-of-rack edge switch that supports Converged Enhanced Ethernet (CEE)
traffic — Fibre Channel over Ethernet (FCoE) for storage, Interprocess Communication (IPC) for servers, and
Ethernet local area network (LAN) (IP cloud) for data — as well as FC links to one or more storage area
network (SAN) fabrics.
FC Flex IO Modules 1089