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Ethernet FCoE (Fibre Channel over Ethernet)
Fibre Channel over Ethernet (FCoE) is the encapsulation of standard Fibre Channel (FC) protocol frames as
data within standard Ethernet frames. This link-level encapsulation, teamed with an FCoE-aware Ethernet-to-
FC gateway, acts to extend an FC fabric to include Ethernet-based host connectivity. The FCoE specification
focuses on encapsulation of FC frames specific to storage class traffic, as defined by the Fibre Channel FC-4
FCP specification.
NOTE: Support for new operating systems will not be added to FCoE. The last operating system
versions that support FCoE are as follows:
l Microsoft*Windows Server* 2012 R2
l RHEL 7.2
l RHEL 6.7
l SLES 12 SP1
l SLES 11 SP4
l VMware* ESX 6.0
Jumbo Frames
The base driver supports FCoE mini-Jumbo Frames (2.5k bytes) independent of the LAN Jumbo Frames
setting.
FCoE VN to VN (VN2VN) Support
FCoE VN to VN, also called VN2VN, is a standard for connecting two end-nodes (ENodes) directly using
FCoE. An ENode can create a VN2VN virtual link with another remote ENode by not connecting to FC or
FCoE switches (FCFs) in between, so neither port zoning nor advance fibre channel services is required. The
storage software controls access to, and security of, LUNs using LUN masking. The VN2VN fabric may have
a lossless Ethernet switch between the ENodes. This allows multiple ENodes to participate in creating more
than one VN2VN virtual link in the VN2VN fabric. VN2VN has two operational modes: Point to Point (PT2PT)
and Multipoint.
NOTE: The mode of operation is used only during initialization.
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