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Message #91611
[Bug 1792493] Re: DVR and floating IPs broken in latest 7.0.0.0rc1?
** Changed in: kolla-ansible
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1792493
Title:
DVR and floating IPs broken in latest 7.0.0.0rc1?
Status in kolla-ansible:
Invalid
Status in neutron:
Fix Released
Bug description:
Kolla-Ansible 7.0.0.0rc1 with binary image build (since the source
option is failing to build ceilometer images currently) on CentOS 7.5
(latest updates)
What worked previously does not appear to work anymore. I'm not sure
if this is due to an update in CentOS 7.5 or OVS or other at this
stage, but compute nodes are no longer ARP replying to ARP requests
for who has the floating IP.
For testing, I looked for the IP assigned to the FIP namespace's fg
interface (in my case, fg-ba492724-bd). This appears to be an IP on
the ext-net network, but is not the floating IP assigned to a VM.
Let's call this A.A.A.A and the floating IP B.B.B.B.
I can tcpdump traffic on the physical port of the compute node and see
the ARP requests for both A.A.A.A and B.B.B.B with respective pings
from the Internet, but no ARP replies.
I have attached a diagram showing, what I believe to be, the correct
path for the packets.
There appears to be something broken between my two arrows.
Since tcpdump is not installed in the openvswitch_vswitchd container,
nor is ovs-tcpdump, I can't figure out how to mirror and sniff ports
on the br-ex and br-int bridges, at least in a containerized instance
of OVS. If anyone knows a way to do this, I would really appreciate
the help.
I haven't found any issues in the OVS configuration (ovs-vsctl show) -
which matches the attached diagram.
Has anyone else had issues?
OVS returns this version info:
ovs-vsctl (Open vSwitch) 2.9.0
DB Schema 7.15.1
in case it helps.
Eric
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