On Sun, May 20, 2012 at 10:45:03AM -0500, Salman Malik wrote: > > > Hi All, > > I had run the all-in-one setup of Ryu and had a little question regarding the > MAC address and the flow matching rules. Here is my output of ovs-ofctl show > br-int after launching an instance (which corresponds to the tap interface): > > OFPT_FEATURES_REPLY (xid=0x1): ver:0x1, dpid:0000fa00ce93ab40 > n_tables:255,n_buffers:256 > features: capabilities:0xc7, actions:0xfff > 1(gw-45a2ea49-61): addr:fa:16:3e:79:88:fa > config: 0 > state: 0 > 3(grec0a87af1-0a): addr:f2:63:b6:4c:db:04 > config: 0 > state: 0 > 5(tap723a0e67-cd): addr:f6:68:b0:a6:27:15 > config: 0 > state: 0 > current: 10MB-FD COPPER > LOCAL(br-int): addr:fa:00:ce:93:ab:40 > config: 0 > state: 0 > OFPT_GET_CONFIG_REPLY (xid=0x3): frags=normal > > > and here is a part of the output of ovs-ofctl dump-flows br-int that > corresponds to the ofport 5=tap interface: > > cookie=0x0, duration=361.1s, table=0, n_packets=62, n_bytes=8277, in_port=5, > dl_src=fa:16:3e:7e:34:65 actions= set_tunnel:0x4,resubmit(,1) > > as you can see that the flow matching rule has dl_src=fa:16:3e:7e:34:65 > whereas > tap interface has a MAC address of f6:68:b0:a6:27:15. > > Why are these addresses different ? Do they belong to different entities ? > Please let me know.
They are different because they belong to different entities. You need to understand - how mac addresses are assigned to guest vNIC (by OpenStack) - the difference among - switch port (OVS vport) - tap device - guest vNIC and how guest views them thanks, > > Thanks, > Salman > > ------------------------------------------------------------------------------ > Live Security Virtual Conference Exclusive live event will cover all the ways > today's security and threat landscape has changed and how IT managers can > respond. Discussions will include endpoint security, mobile security and the > latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/ > 50122263/ > _______________________________________________ Ryu-devel mailing list > [email protected] https://lists.sourceforge.net/lists/listinfo/ > ryu-devel > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Ryu-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ryu-devel -- yamahata ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
