<div dir="auto"><div>That means vlan 1 is in use by one of the other networks. <br><div class="gmail_extra"><br><div class="gmail_quote">On May 2, 2017 14:59, "Timothy Geier" <<a href="mailto:tgeier@accertify.com" target="_blank">tgeier@accertify.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



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<div>I’m doing some testing/PoC on an RDO Ocata CentOS7 setup and everything has gone well with the exception of configuring multiple VLANs.  </div>
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<div>After following the configuration detailed at <a href="https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/10/html/networking_guide/sec-connect-instance#Using-VLAN-Provider-Networks" target="_blank">https://access.redhat.com/d<wbr>ocumentation/en-us/red_hat_ope<wbr>nstack_platform/10/html/networ<wbr>king_guide/sec-connect-instanc<wbr>e#Using-VLAN-Provider-Networks</a><wbr> ,
 neutron errors out with the following:</div>
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<div>$ neutron net-create 1_network \</div>
<div>                        --provider:network_type vlan \</div>
<div>                        --router:external true \</div>
<div>                        --provider:physical_network extnet \</div>
<div>                        --provider:segmentation_id 1 --shared</div>
<div>Unable to create the network. The VLAN 1 on physical network extnet is in use.</div>
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extnet is mapped to the OVSbridge br-ex, which has a physical interface that’s trunked to all of the available VLANs..trying this command on the other available VLANs works, but 1 and 2 (the ones I want to test on) always fails.  Is there anything obvious to
 try on the system itself or is this more likely a network issue?
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<div>Thanks much, </div>
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