Add some comments to the ovn-architecture document that distributed gateway ports can also be made highly available. Provide a brief overview of the approach and point to the gateway HA design document for a more detailed discussion of the approach taken.
Signed-off-by: Russell Bryant <russ...@ovn.org> --- ovn/ovn-architecture.7.xml | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/ovn/ovn-architecture.7.xml b/ovn/ovn-architecture.7.xml index e91be8bf6..5f73e2067 100644 --- a/ovn/ovn-architecture.7.xml +++ b/ovn/ovn-architecture.7.xml @@ -1341,6 +1341,28 @@ logical patch port representing the distributed gateway port. </p> + <h3>High Availability for Distributed Gateway Ports</h3> + + <p> + OVN allows you to specify a prioritized list of chassis for a distributed + gateway port. This is done by associating multiple + <code>Gateway_Chassis</code> rows with a <code>Logical_Router_Port</code> + in the <code>OVN_Northbound</code> database. + </p> + + <p> + When multiple chassis have been specified for a gateway, all chassis that + may send packets to that gateway will enable BFD on tunnels to all + configured gateway chassis. The current master chassis for the gateway + is the highest priority gateway chassis that is currently viewed as + active based on BFD status. + </p> + + <p> + For more information on L3 gateway high availability, please refer to + http://docs.openvswitch.org/en/latest/topics/high-availability. + </p> + <h2>Life Cycle of a VTEP gateway</h2> <p> -- 2.13.3 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev