neutron/releasenotes/notes/add-keepalived-vrrp-healt-c...

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---
prelude: >
Keepalived VRRP health check functionality to enable verification of
connectivity from the "master" router to all gateways.
features:
- Activation of this feature enables gateway connectivity validation and
rescheduling of the "master" router to another node when connectivity
is lost. If all routers lose connectivity to the gateways, the election
process will be repeated round-robin until one of the routers restores
its gateway connection. In the mean time, all of the routers will be
reported as "master".