[openstack-dev] [nova][vlan trunking] Guest networking configuration for vlan trunk

Robert Li (baoli) baoli at cisco.com
Mon May 22 17:49:22 UTC 2017


I’m trying to find out if there is support in nova (in terms of metadata and cfgdrive) to configure vlan trunking in the guest. In the ‘CLI usage example’ provided in this wiki https://wiki.openstack.org/wiki/Neutron/TrunkPort, it indicates:

# The typical cloud image will auto-configure the first NIC (eg. eth0) only and not the vlan interfaces (eg. eth0.VLAN-ID).
ssh VM0-ADDRESS sudo ip link add link eth0 name eth0.101 type vlan id 101

I’d like to understand why the support of configuring vlan interfaces in the guest is not added. And should it be added?

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