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This bug has been copied from bug #631246 and has been proposed
to be backported to 6.0 z-stream (EUS).

in kernel-2.6.32-71.4.1.el6

Verified fixed by Intel

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2010-0842.html

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
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    New Contents:
Previously, the destination MAC address validation was not checking for NPIV (N_Port ID Virtualization) addresses, which results in FCoE (Fibre Channel over Ethernet) frames being dropped. With this update, the destination MAC address check for FCoE frames has been modified so that multiple N_port IDs can be multiplexed on a single physical N_port.