yahoo-eng-team team mailing list archive

[Kevin Benton <1682228@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

>From the devref in https://review.openstack.org/#/c/289794/ there is a
limitation with address scopes and DVR. Quote:

Due to the asymmetric route in DVR and the fact that DVR local routers do not
know the information of the floating IPs that don't reside in the local host,
there is a limitation in the DVR multiple hosts scenario.  With DVR in
multiple hosts and the destination of traffic which is an internal fixed IP in
a different host, the fixed IP with floating IP associated can't cross scope
to access the internal networks that are in the same address scope of external
network.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-dvr-backlog

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https://bugs.launchpad.net/bugs/1682228

Title:
  can't cross address scopes with DVR

Status in neutron:
  New

Bug description:
  From the devref in https://review.openstack.org/#/c/289794/ there is a
  limitation with address scopes and DVR. Quote:

  Due to the asymmetric route in DVR and the fact that DVR local routers do not
  know the information of the floating IPs that don't reside in the local host,
  there is a limitation in the DVR multiple hosts scenario.  With DVR in
  multiple hosts and the destination of traffic which is an internal fixed IP in
  a different host, the fixed IP with floating IP associated can't cross scope
  to access the internal networks that are in the same address scope of external
  network.

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