Hello,

The response to your questions is inline --

Thanks,
Naveen

De : <vpp-dev-boun...@lists.fd.io<mailto:vpp-dev-boun...@lists.fd.io>> au nom 
de 真我风采 <1534057...@qq.com<mailto:1534057...@qq.com>>
Date : mardi 29 août 2017 à 05:47
À : vpp-dev <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>>
Objet : [vpp-dev] netwoking-vpp l3 issue

Hello, I recently install openstack using devstack with networking-vpp plugin, 
and disable q-agt, q-l3 replaced by vpp-agent, but router doesnot work. so I 
want to ask that :

a.       how the vpp-agent implement route function?
>> The vpp-agent implements the route function by creating a router interface 
>> within VPP. The vpp-agent creates a loopback interface within VPP and sets 
>> the bridge's BVI to the
      loopback interface to act as an L3 gateway.


b.       vpp-agent call which vpp command to achive route function ?
>>> The vpp-agent calls VPP’s python APIs to implement the above function. The 
>>> code can be found at
https://github.com/openstack/networking-vpp/blob/master/networking_vpp/agent/server.py
  in the method “create_router_interface_on_host”


thank you very much!

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