convert netron external network from flat to vlan

asked 2015-09-24 21:39:29 -0500

allen gravatar image

updated 2015-09-24 21:41:49 -0500

Hi Guys,

We had setup Kilo openstack with detault neutron network guided by official document But now we found that the flat ext network is not enough for us because we have many different external network need to be attached to openstack

Now our /etc/neutron/plugin.ini configuration as below [ml2] type_drivers = flat,vlan,gre,vxlan

[ovs] bridge_mappings = external:br-ex

May I know what I have to do except add below to /etc/neutron/plugin.ini and change the port mode which was bridged in br-ex to trunk: [ml2_type_vlan] network_vlan_ranges=external:2:500

Do I have to delete all current external network data:ip,router,ports etc? Is there anyway to keep current floating ip mapping or is there any other better way to attached many different external networks to openstack?

Thx B&R Allen,

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