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[Assaf Muller <amuller@xxxxxxxxxx>]

Public bug reported:

Bug:
https://bugs.launchpad.net/neutron/+bug/1312467

Was solved before HA routers were merged in Juno.
HA routers therefor do not support multiple subnets per external network as legacy routers do.

Short summary:
Legacy routers add a route to every subnet on an external network, so that floating IPs may be assigned freely on every router that is connected to said external network, no matter which subnet its router port is on. HA routers do not configure these onlink routes, and they may do so via virtual routes - The same mechanism that HA routers support the 'extra routes' extension and the router's default gateway.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-ha

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https://bugs.launchpad.net/bugs/1414640

Title:
  HA routers don't implement extra_subnets / multiple subnets per
  external network

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Bug:
  https://bugs.launchpad.net/neutron/+bug/1312467

  Was solved before HA routers were merged in Juno.
  HA routers therefor do not support multiple subnets per external network as legacy routers do.

  Short summary:
  Legacy routers add a route to every subnet on an external network, so that floating IPs may be assigned freely on every router that is connected to said external network, no matter which subnet its router port is on. HA routers do not configure these onlink routes, and they may do so via virtual routes - The same mechanism that HA routers support the 'extra routes' extension and the router's default gateway.

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