This bug has been copied from bug #718988 and has been proposed to be backported to 5.7 z-stream (EUS).
*** Bug 727128 has been marked as a duplicate of this bug. ***
in kernel-2.6.18-274.5.1.el5 linux-2.6-net-igb-fix-wol-on-2nd-port-on-i350.patch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2011-1386.html
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: This update adds a missing patch that enables WOL (Wake-on-LAN) on the second port of a Intel Ethernet Server Adapter I350.