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<p class="MsoNormal"><span style="font-size:11.0pt">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">In commit 37277cf4168260d5fa97f20e0b64a2efe2d989ad [i] and commit fc661571765054ff09e41aa6c7fc32f80fd0a98d [ii] this variable was marked as deprecated. A number of neutron plugins make use of this to ensure
 that only one IP address can be configured per port per subnet. There are cases where the DHCP implementations only enabled one MAC:IP mapping. So this makes life very simple for us by setting a configuration variable.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The deprecations and possible removal in N, O or P could cause issues.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Would it be possible to do one of the two options:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt">revert the two patches below with the deprecation warnings [iii]<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt">Or add a callback that would enable plugins to add their own validation logic (I need to push a patch if the option above is a no go.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Gary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">[i] https://github.com/openstack/neutron/commit/37277cf4168260d5fa97f20e0b64a2efe2d989ad<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">[ii] <a href="https://github.com/openstack/neutron/commit/fc661571765054ff09e41aa6c7fc32f80fd0a98d">
https://github.com/openstack/neutron/commit/fc661571765054ff09e41aa6c7fc32f80fd0a98d</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">[iii] https://review.openstack.org/#/c/363599/<o:p></o:p></span></p>
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