[Openstack] DHCP issues with SR-IOV networking

Moshe Levi moshele at mellanox.com
Thu Apr 23 08:19:32 UTC 2015


The openvswitch agent should be able to bind the port.

Can you check that you have in ml2 conf 
mechaniscm_drivers = openvswitch,sriovnicswitch

also check that  the openvswitch agent is running on your network node.


-----Original Message-----
From: jacob jacob [mailto:opstkusr at gmail.com] 
Sent: Wednesday, April 22, 2015 10:16 PM
To: openstack at lists.openstack.org
Subject: [Openstack] DHCP issues with SR-IOV networking

Hi,

I was able to setup SR-IOV passthrough using the following wiki:
   https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking

Created a neutron network and added subnet with dhcp enabled.
Ports created from this network are bound to VFs as expected.

But the IP assignment on this network isn't working since the dhcp port bind isn't successful.

Attached Device

________________________________
Device Owner network:dhcp
Device ID dhcp5ce901c9-dac9-5417-8f6f-8e3787eff230-069a56a1-253d-4d2b-bef9-3c11f454bde2

Binding

________________________________
Host host1.tst.com
Profile None
VIF Type binding failed
VIF Details None
VNIC Type normal


The issue seems to be that the binding is being attempted as nic type normal instead of direct.

Would really appreciate any pointers on how to address this problem.

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