On 09/20/2015 05:01 AM, Or Gerlitz wrote: > On Sun, Sep 20, 2015 at 2:58 AM, Matthew Monaco > <matthew.mon...@colorado.edu> wrote: > [...] >> In all cases, VMs with SR-IOV work fine, IP on the host works fine, outbound >> DHCP from the virtio VMs work fine, but inbound frames are not making it >> back to >> the VM. > [...] >> Is there a know limitation of mixing SR-IOV and bridges in general? Does the >> SR-IOV switch specific to the mlx4 hardware not work well with linux >> bridges? ...? > > It would be a bit hard for bridge based promiscuous environment to work OOB > for one of the functions (PF or VF) in SRIOV, this is generic issue, > and not related > to specific vendor. > > You need to use the bridge (8) tool (part of iproute2) and add the P.V > VM MACs to > the PF interface as "self" see some slides (21/22/23) from netdev 0.1 > that deal with that > https://netdev01.org/docs/netdev_tutorial_bridge_makita_150213.pdf > > Or. > > It also possible to mark one bridge port (the PF) as non-promiscuous, > but I haven't > played with that myself yet (slide 32), so can't just send you doing it... >
Many thanks, that helps. Now to figure out the best approach for shoving this into OpenStack =)
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