<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1446153872361_42820"><span id="yui_3_16_0_1_1446153872361_42819">I have attempted to use the fixed_ip for our internal use. <br></span></div><div id="yui_3_16_0_1_1446153872361_42215"><span><br></span></div><div id="yui_3_16_0_1_1446153872361_42818"><span id="yui_3_16_0_1_1446153872361_42817">I found too many issues with the existing feature, and would propose to rewrite it as new feature. <br></span></div><div id="yui_3_16_0_1_1446153872361_42816"><br><span></span></div><div id="yui_3_16_0_1_1446153872361_42815"><span id="yui_3_16_0_1_1446153872361_42814">The problem I experienced are:</span></div><div id="yui_3_16_0_1_1446153872361_42813"><br><span></span></div><div id="yui_3_16_0_1_1446153872361_42812" dir="ltr"><span id="yui_3_16_0_1_1446153872361_42811">1. ) I have to repeatedly enter the option --fixed_ip for as many IPs as I need to apply. This will not scale if I wanted many IPs.</span></div><div id="yui_3_16_0_1_1446153872361_42810" dir="ltr"><span id="yui_3_16_0_1_1446153872361_42809">2). The operation does not guarantee you get your original IP assigned, the VM instance become non-reachable.</span></div><div id="yui_3_16_0_1_1446153872361_42808" dir="ltr"><span id="yui_3_16_0_1_1446153872361_42807">3). I can not requested seperate MAC addresses to go with the IP address.</span></div><div id="yui_3_16_0_1_1446153872361_42806" dir="ltr"><span id="yui_3_16_0_1_1446153872361_42805">4.) The command acces privilage is controlled by policy. It would be more appropriate to use quota to control how many IPs a user can request instead of granting a privilage to the user.</span></div><div id="yui_3_16_0_1_1446153872361_42804" dir="ltr"><br></div><div id="yui_3_16_0_1_1446153872361_42803" dir="ltr">To use the mulitple IP,you can use OVS, mac-vlan etc. But that requires seperate MAC address to go with IPs. <br></div><div id="yui_3_16_0_1_1446153872361_42802" dir="ltr"><br><span></span></div><div id="yui_3_16_0_1_1446153872361_42216"> </div><div id="yui_3_16_0_1_1446153872361_42801" class="signature">== Aihua Edward Li ==</div> <br><div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font face="Arial" size="2"> On Friday, October 30, 2015 12:00 PM, Shraddha Pandhe <spandhe.openstack@gmail.com> wrote:<br> </font> </div> <br><br> <div class="y_msg_container"><div id="yiv9805489904"><div dir="ltr">Hi folks,<div><br></div><div>James Penick from Yahoo! presented a talk on Thursday about how Yahoo uses Neutron for Ironic. I would like to follow up on one particular use case that was discussed: Multi-IP support.</div><div><br></div><div>Here's our use-case for Multi-ip:</div><div><br></div><div>For Ironic, we want user to specify the number of IPs on boot. Now, we want scheduler to find a network with sufficient IPs and then pick a host in that subnet (Note: static IPs for baremetal). Now, when allocating network, we want to assign all requested IPs from the same subnet as the host's static IP. Also, we don't want to configure those IPs on the host. We only want to display them on "nova show".</div><div><br></div><div>So basically we will only create one port for the host, and append all fixed_ips in the ports fixed_ip list field.</div><div><br></div><div>Questions:</div><div>1. Hows do most people use the fixed_ips field in the port? What are different ways you can populate multiple IPs in fixed_ips? One way I know is, using neutron-client to create port, you can specify --fixed-ip as many times as you want, and that will append fixed_ips to the port. Any other way?</div><div><br></div><div>2. Is anybody else using multi-ip?</div><div><br></div><div><br></div></div></div><br>__________________________________________________________________________<br>OpenStack Development Mailing List (not for usage questions)<br>Unsubscribe: <a ymailto="mailto:OpenStack-dev-request@lists.openstack.org" href="mailto:OpenStack-dev-request@lists.openstack.org">OpenStack-dev-request@lists.openstack.org</a>?subject:unsubscribe<br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a><br><br><br></div> </div> </div> </div></div></body></html>