After a kernel update, bonding over Broadcom (bnx2) cards using vlan, does not work anymore

Issue:

Following a yum update from Red Hat Enterprise Linux 6.2 to 6.3, the network no longer functions. The nic continues to be shown as "up", however, the system is unreachable.

Environment:

  • Red Hat Enterprise Linux 6.3
  • kernel-2.6.32-279.el6
  • Multiple Broadcom bnx2 network interfaces
  • Interfaces configured into a bond with VLAN subinterfaces
Resolution:

This has been resolved in RHEL 6.3 z-stream kernel package kernel-2.6.32-279.2.1.el6 under Red Hat Bugzilla 837227.

This update can be obtained with the yum command, or via errata release RHBA-2012-1104


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