USB Ethernet adaptor on RHEL 6.2 is unable to receive multicast traffic

Solution Verified - Updated -

Issue

  • USB Ethernet adaptor using smsc95xx driver on RHEL 6.2 is unable to receive multicast traffic unless the interface is in Promisc mode

Environment

  • Red Hat Enterprise Linux 6.2 (kernel-2.6.32-220.el6.i686)
  • USB Ethernet adaptor using smsc95xx driver
  • Multicast traffic

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