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IBM System x3850 M2 and System x3950 M2 Servers Fail to Connect to 100Mbps Networks (1003226)
Please view KB 1003203 for more information on connectivity issues encountered when using the bnx2 driver with the Broadcom BCM 5709.
Reboot the system. This workaround might not succeed in establishing a network connection.
Boot with the network interface connected to a gigabit network.
Boot with no link (detach the cable, or disable the switch port), and re-establish the link after bootup.
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