发送dhcp request/response 过程 on Neutron+OVS agent
Controller/Compute nodes : neutron + ovs agentvm 启动后会发送dhcp request, 路径是: (Compute node)vm tapxxx->ovs bridge(br-eth0)->ovs veth pair-> phy-nic --------->(Controller node)phy-nic->ovs veth pair->
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Controller/Compute nodes : neutron + ovs agent
vm 启动后会发送dhcp request, 路径是:
(Compute node)vm tapxxx->ovs bridge(br-int)->ovs bridge(br-eth0)-> phy-nic --------->(Controller node)phy-nic->ovs bridge(br-int)->ovs bridge(br-eth1)->dhcp tapxxx
dhcp server 按照原路径返回response
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