The access port config from the example doc is aa follows:
create vhost socket /tmp/sock2.sock server
set interface state VirtualEthernet0/0/2 up
set interface l2 bridge VirtualEthernet0/0/2 200
set interface l2 tag-rewrite VirtualEthernet0/0/2 push dot1q 200

Note the tag-rewrite config on access port to push the VLAN tag on the packet. 
Did you do this on the access ports?

Regards,
John

From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
Behalf Of Prabhjot Singh Sethi
Sent: Monday, September 25, 2017 2:11 PM
To: vpp-dev@lists.fd.io
Subject: [vpp-dev] Trunk ports with VPP

Hi,
    i am trying to achieve trunck ports with VPP using following documentation
https://wiki.fd.io/view/VPP/Interconnecting_vRouters_with_VPP#Create_TRUNK_ports
only difference is that i am trying this with host interfaces connected to 
netns instance.

However packet egressing on this trunk port remains untagged irrespective of 
which sub-interface it came from.

i am i missing something over here ?

Regards,
Prabhjot
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