Thank you for the reply. Now its clear on the behavior of OVS. Regards, Shyam
From: ext Gurucharan Shetty [mailto:[email protected]] Sent: Friday, July 17, 2015 8:26 PM To: Pujar, Shyam (Nokia - IN/Bangalore) Cc: [email protected] Subject: Re: [ovs-discuss] Flooding of packets destined to OVS port's mac address I re-read your question properly again. The behavior that you see looks correct to me. OVS is a switch and switch's ports don't have mac addresses. It only cares about the mac addresses in the packet. On Fri, Jul 17, 2015 at 12:13 AM, Pujar, Shyam (Nokia - IN/Bangalore) <[email protected]<mailto:[email protected]>> wrote: Hi, MAC addresses mentioned in the diagram are just for example. MAC addresses used were as follows: Client Program: 52:54:00:00:01:02 Server Program: 52:56:11:80:80:41 TAP1: 52:F3:12:E4:6D:A9 TAP2: 72:17:32:32:15:F8 Regards, Shyam From: ext Gurucharan Shetty [mailto:[email protected]<mailto:[email protected]>] Sent: Thursday, July 16, 2015 11:48 PM To: Pujar, Shyam (Nokia - IN/Bangalore) Cc: [email protected]<mailto:[email protected]> Subject: Re: [ovs-discuss] Flooding of packets destined to OVS port's mac address I don't know the answer, but some of your mac addresses have multi-cast bit enabled. So I wonder whether that is the problem. On Wed, Jul 15, 2015 at 12:18 PM, Pujar, Shyam (Nokia - IN/Bangalore) <[email protected]<mailto:[email protected]>> wrote: Hi , Please find setup and testing procedure below. [cid:[email protected]] 1. In the above setup, Client Program tries to send packet with src_mac: 3:3:3:3:3:3 and dst_mac: 1:1:1:1:1:1. 2. Packet is flood to port tap2. 3. Why does OVS flood packets when dst_mac received is its own port’s mac address. 4. As it forwards to other ports, there is no one to reply for dst_mac other than OVS bridge itself. 5. Where as in case of Linux bridge, packet is not flooded to other ports. Instead packet is dropped. Could you please tell me how do switches in real work? As per my understanding there should be static entries in forwarding table of switch for its own mac addresses. And default action should be present for it. Regards, Shyam _______________________________________________ discuss mailing list [email protected]<mailto:[email protected]> http://openvswitch.org/mailman/listinfo/discuss
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