** Changed in: neutron
Status: Confirmed => Fix Released
** Tags added: doc
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https://bugs.launchpad.net/bugs/1614564
Title:
SRIOV not working with OvS on same host on vlan network for intel NICs
Status in neutron:
Fix Released
Bug description:
Hi,
Issue -
On Liberty Openstack with FDB patch, SRIOV VM communication to OvS VM on
same host is working good for openstack Flat network but not for openstack VLAN
network.
Pre condn -
https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking
Scenario
. Create a VLAN network.
. Create a normal instance VM A VM B, the OVS external bridge(br-ex) is
connected to PF.
. I am not able to get the IP from external DHCP and i am able to see
the fdb entries for the VM.
. Create SRIOV instance VM C on the same VLAN network on the same
compute host.
. I am able to get IP from external server and do ping gateway for VM C
via VF.
. VM A & VM B work if i clear the VFs in the same compute host or if i
create OvS VM after booting SRIOV VMs(i.e, after assigning MAC and VLANs to VFs)
. But still i am not able to ping each other between VM A/VM B and VM C
Logs -
. The TCP dump shows the reply going out of the DHCP server, but it is
not hitting PF but the ARP is received at the VF and hit the SRIOV instance
VM-SRIOV.
. PF is not getting any incoming packets from external server or
from SRIOV instance.
Versions -
Openstack - Liberty with fdb extension
ixgbe - 4.3.13
ixgbevf - 3.1.2
Please help me if i am doing wrong
Regards,
MK
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