openstack/neutron
Code Issues Proposed changes

OVN: Add note re IGMP groups upon ovn-controller service restart

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This patch is adding an important note to the IGMP configuration guide
regarding to what happens to the IGMP groups upon the restart of the
ovn-controller service.

TrivialFix

Change-Id: I02a78a557158fa58091f20514c52c27eecf2616d
Signed-off-by: Lucas Alvares Gomes <lucasagomes@gmail.com>
This commit is contained in:
Lucas Alvares Gomes 2020-04-14 13:27:12 +01:00
parent 25830e8ec5
commit 7e5a0e04b8
1 changed files with 8 additions and 1 deletions
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9
doc/source/admin/ovn/igmp.rst
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@ -50,7 +50,7 @@ OVN Northbound Database:
To find more information about the learnt IGMP groups by OVN use the
command below:
command below (populated only when igmp_snooping_enable is True):
.. code-block:: bash
@ -64,6 +64,13 @@ command below:
.. end
.. note::
Since IGMP querier is not yet supported in the OVN driver, restarting
the ovn-controller service(s) will result in OVN unlearning the IGMP
groups and broadcast all the multicast traffic. This behavior can
impact when updating/upgrading the OVN services.
Extra information
~~~~~~~~~~~~~~~~~