From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: ixgbevf & i40evf: no Ethernet multicasts on rx
Date: Wed, 21 Jun 2017 08:39:52 -0700
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References: <12590845.fKWSysuKYX@polaris>
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Cc: dev@dpdk.org, wenzhuo.lu@intel.com
To: Gregory Etelson <gregory@weka.io>
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On Wed, 21 Jun 2017 16:52:41 +0300
Gregory Etelson <gregory@weka.io> wrote:

> Hello,
> 
> Ethernet frames sent to multicast destination address 01:ff:ff:ff:ff:01
> not visible on ixgbe & i40e VF PMDs.
> 
> PF PMDs receive multicast frames normally.
> 
> Tested with DPDK v17.05.0 and
> 3566af6be7f968c678a867399ddc644fb762873b (current master) 
> 
> Regards,
> Gregory

By default Intel VF's block multicast. To allow multicast you have to do
some configuration on the PF.