** Changed in: kolla-ansible/wallaby
Status: Fix Released => Invalid
** No longer affects: kolla-ansible/wallaby
** No longer affects: kolla-ansible/xena
** No longer affects: kolla-ansible/yoga
** No longer affects: kolla-ansible/zed
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https://bugs.launchpad.net/bugs/1995078
Title:
OVN: HA chassis group priority is different than gateway chassis
priority
Status in neutron:
In Progress
Bug description:
OpenStack release affected - Wallaby, Xena and Yoga for sure
OVN version: 21.12 (from CentOS NFV SIG repos)
Host OS: CentOS Stream 8
Neutron creates External ports for bare metal instances and uses
ha_chassis_group.
Neutron normally defines a different priority for Routers LRP gateway chassis
and ha_chassis_group.
I have a router with two VLANs attached - external (used for internet
connectivity - SNAT or DNAT/Floating IP) and internal VLAN network
hosting bare metal servers (and some Geneve networks for VMs).
If an External port’s HA chassis group active chassis is different
than gateway chassis (external vlan network) active chassis - those
bare metal servers have intermittent network connectivity for any
traffic going through that router.
In a thread on ovs-discuss ML - Numan Siddique wrote that "it is recommended
that the
same controller which is actively handling the gateway traffic also
handles the external ports"
More information in this thread -
https://mail.openvswitch.org/pipermail/ovs-
discuss/2022-October/052067.html
Bugzilla reference (OSP 17):
https://bugzilla.redhat.com/show_bug.cgi?id=1826364
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