neutron/releasenotes/notes/bgp-support-ef361825ca63f28...

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---
prelude: >
Announcement of tenant prefixes and host routes for floating
IP's via BGP is supported
features:
- Announcement of tenant subnets via BGP using centralized Neutron
router gateway port as the next-hop
- Announcement of floating IP host routes via BGP using the centralized
Neutron router gateway port as the next-hop
- Announcement of floating IP host routes via BGP using the floating
IP agent gateway as the next-hop when the floating IP is associated
through a distributed router
issues:
- When using DVR, if a floating IP is associated to a fixed IP direct
access to the fixed IP is not possible when traffic is sent from
outside of a Neutron tenant network (north-south traffic). Traffic
sent between tenant networks (east-west traffic) is not affected.
When using a distributed router, the floating IP will mask the fixed
IP making it inaccessible, even though the tenant subnet is being
announced as accessible through the centralized SNAT router. In such
a case, traffic sent to the instance should be directed to the
floating IP. This is a limitation of the Neutron L3 agent when using
DVR and will be addressed in a future release.