Re: [Ryu-devel] How to cooperate with L3 agent in openstack when using GRE tunneling

2013-08-28 Thread Yoshihiro Kaneko
Hi, 2013/8/28 張華婷 : > Thank you for great explanation. > However, I still have 2 questions. > (1) why (D) has to resubmit(,2)? why just remains output:5 ? Is there any > preventions or other conditions to use table 2? When nova live-migration is performed, a port that has the same MAC address exi

Re: [Ryu-devel] How to cooperate with L3 agent in openstack when using GRE tunneling

2013-08-28 Thread 張華婷
Thank you for great explanation. However, I still have 2 questions. (1) why (D) has to resubmit(,2)? why just remains output:5 ? Is there any preventions or other conditions to use table 2? (2) If vm2 want to send packets to external network, I think will be external IP in the packet header. But,ho

Re: [Ryu-devel] How to cooperate with L3 agent in openstack when using GRE tunneling

2013-08-27 Thread Yoshihiro Kaneko
Hi, I assume the following situation. * HOST1 br-ex: tap8899056d-35 ---:-- qg-8899056d-35 : br-int : tapa6339ea8-4d ---:-- qr-a6339ea8-4d : : netns = qrouter-

[Ryu-devel] How to cooperate with L3 agent in openstack when using GRE tunneling

2013-08-27 Thread 張華婷
Hi, I just have another question. In the document, Instructions for construction of Openstack grizzly environment with Ryu using devstack, there are some flow entries installed in the openvswitch . However, there are no rules about floating IP. If I send to sb. in public network from private networ