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    <div class="js-editable-content">Hi,<br>
      <br>
      I wonder if it is possible to use multiple network interfaces /
      bridge mappings for VLAN tenants and providers at the same time. 
      E.g. in case of 1 VLAN network for tenant and 1 external VLAN how
      does neutron bridge mapping work? User interface does not allow to
      specify the mapping.<br>
      <br>
      Example: 2 external VLAN interfaces and 2 tenant ones. In this
      case neutron configuration would be:<br>
      <br>
      <code><span class="pun">[</span><span class="pln">ml2_type_vlan</span><span
          class="pun">]</span><span class="pln"><br>
          network_vlan_ranges </span><span class="pun">=</span><span
          class="pln"> provider0</span><span class="pun">,</span><span
          class="pln">provider1</span><span class="pun">,tenant-</span><span
          class="pln">vlan2</span><span class="pun">:</span><span
          class="lit">200</span><span class="pun">:</span><span
          class="lit">299</span><span class="pun">,tenant-</span><span
          class="pln">vlan3</span><span class="pun">:</span><span
          class="lit">300</span><span class="pun">:</span><span
          class="lit">399</span><span class="pln"><br>
          <br>
        </span><span class="pun">[</span><span class="pln">ovs</span><span
          class="pun">]</span><span class="pln"><br>
          bridge_mappings </span><span class="pun">=</span><span
          class="pln"> provider0</span><span class="pun">:</span><span
          class="pln">br</span><span class="pun">-</span><span
          class="pln">ext0</span><span class="pun">,</span><span
          class="pln">provider1</span><span class="pun">:</span><span
          class="pln">br</span><span class="pun">-</span><span
          class="pln">ext1</span><span class="pun">,</span><span
          class="pln">tenant-vlan2</span><span class="pun">:</span><span
          class="pln">br</span><span class="pun">-</span><span
          class="pln">vlan2</span><span class="pun">,tenant-</span><span
          class="pln">vlan3</span><span class="pun">:</span><span
          class="pln">br</span><span class="pun">-</span><span
          class="pln">vlan3</span></code><br>
      <br>
      How can neutron decide on choosing correct vlan mapping for
      tenant? Will it pick provider0 if normal user creates a tenant
      network?<br>
      <br>
      Thanks,<br>
      Vladislav<br>
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