<font size=2 face="sans-serif">[Sorry, but I do not know if the thundering
silence is because these questions are too hard, too easy, grossly off-topic,
or simply because nobody cares.]</font><br><br><font size=2 face="sans-serif">I have been looking at </font><a href=http://docs.openstack.org/developer/devstack/guides/neutron.html><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html</u></font></a><font size=2 face="sans-serif">and
wonder about a few things.<br><br>In the section </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface</u></font></a><font size=2 face="sans-serif">there
is a helpful display of localrc contents.  It says, among other things,</font><tt><font size=3><br><br>       OVS_PHYSICAL_BRIDGE=br-ex<br>       PUBLIC_BRIDGE=br-ex</font></tt><font size=2 face="sans-serif"><br><br>In the next top-level section, </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-multiple-interfaces"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-multiple-interfaces</u></font></a><font size=2 face="sans-serif">,
there is no display of revised localrc contents and no mention of changing
either bridge setting.  That is an oversight, right?  I am guessing
I need to set </font><tt><font size=3>OVS_PHYSICAL_BRIDGE</font></tt><font size=2 face="sans-serif">and
</font><tt><font size=3>PUBLIC_BRIDGE</font></tt><font size=2 face="sans-serif">to
different values, and the exhibited `ovs-vsctl` commands in this section
apply to $OVS_PHYSICAL_BRIDGE.  Is that right?  Are there other
revisions I need to make to localrc?<br><br>Looking at </font><a href="http://docs.openstack.org/networking-guide/scenario_legacy_ovs.html"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/networking-guide/scenario_legacy_ovs.html</u></font></a><font size=2 face="sans-serif">(or,
in former days, the doc now preserved at </font><a href="http://docs.ocselected.org/openstack-manuals/kilo/networking-guide/content/under_the_hood_openvswitch.html"><font size=2 color=blue face="sans-serif"><u>http://docs.ocselected.org/openstack-manuals/kilo/networking-guide/content/under_the_hood_openvswitch.html</u></font></a><font size=2 face="sans-serif">)
I see the name br-ex used for $</font><tt><font size=3>PUBLIC_BRIDGE</font></tt><font size=2 face="sans-serif">---
not $</font><tt><font size=3>OVS_PHYSICAL_BRIDGE</font></tt><font size=2 face="sans-serif">,
right?  Wouldn't it be less confusing if </font><a href=http://docs.openstack.org/developer/devstack/guides/neutron.html><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html</u></font></a><font size=2 face="sans-serif">used
a name other than "br-ex" for the exhibited commands that apply
to $OVS_PHYSICAL_BRIDGE?<br><br>The section </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch</u></font></a><font size=2 face="sans-serif">builds
on </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-multiple-interfaces"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-multiple-interfaces</u></font></a><font size=2 face="sans-serif">NOT
</font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface</u></font></a><font size=2 face="sans-serif">---
right?  Could I stop after reading that section, or must I go on to
</font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch-and-provider-networks"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch-and-provider-networks</u></font></a><font size=3>?</font><font size=2 face="sans-serif"><br><br>The exhibited localrc contents in section </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface</u></font></a><font size=2 face="sans-serif">include
both of these:</font><tt><font size=3><br><br>       Q_L3_ENABLED=True<br>       Q_USE_PROVIDERNET_FOR_PUBLIC=True</font></tt><font size=2 face="sans-serif"><br><br>and nothing gainsays either of them until section </font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch-and-provider-networks"><font size=2 color=blue face="sans-serif"><u>http://docs.openstack.org/developer/devstack/guides/neutron.html#neutron-networking-with-open-vswitch-and-provider-networks</u></font></a><font size=2 face="sans-serif">---
where we first see</font><tt><font size=3><br><br>       Q_L3_ENABLED=False</font></tt><font size=2 face="sans-serif"><br><br>Is it true that all the other sections want both </font><tt><font size=3>Q_L3_ENABLED</font></tt><font size=2 face="sans-serif">and
</font><tt><font size=3>Q_USE_PROVIDERNET_FOR_PUBLIC</font></tt><font size=2 face="sans-serif">to
be </font><tt><font size=3>True</font></tt><font size=2 face="sans-serif">?<br></font><br><font size=2 face="sans-serif">I tried adding IPv6 support to the recipe
of the first section (</font><a href="http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface"><font size=2 color=blue face="sans-serif">http://docs.openstack.org/developer/devstack/guides/neutron.html#using-neutron-with-a-single-interface</font></a><font size=2 face="sans-serif">).
 I added this to my localrc:</font><br><br><font size=2 face="sans-serif">        IP_VERSION=4+6</font><br><font size=2 face="sans-serif">        IPV6_PUBLIC_RANGE=fddf:2::/64</font><br><font size=2 face="sans-serif">        IPV6_PUBLIC_NETWORK_GATEWAY=fddf:2::1</font><br><font size=2 face="sans-serif">        IPV6_ROUTER_GW_IP=fddf:2::231</font><br><br><font size=2 face="sans-serif">At first I had tried setting a different
set of IPv6 variables (having only IP_VERSION in common with what I exhibit
here), but found those: (a) duplicated the defaults and (b) caused problems
due to lack of the ones I mention here.  Even the ones mentioned here
led to a problem.  There is a bit of scripging that replaces my setting
for IPV6_ROUTER_GW_IP with something dug out of Neutron.  That went
wrong.  It replaced my setting with fddf:2::2, but that address was
already in use by something else.</font><br><font size=2 face="sans-serif"><br>Thanks,<br>Mike</font><br><br><br><font size=2 face="sans-serif">Thanks,<br>Mike</font><BR>