| gongysh_ | russellb, hi | 00:04 |
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| openstackgerrit | gongysh proposed openstack/networking-ovn: Add provider net segment infor into return network https://review.openstack.org/242284 | 01:21 |
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| gsagie | Anyone managed to run vagrant with latest code? | 15:11 |
| russellb | gsagie: mestery has been running it lately | 15:13 |
| russellb | i haven't been using vagrant | 15:13 |
| mestery | ++, it's been working fine for me | 15:13 |
| gsagie | ok, will try to see whats wrong | 15:13 |
| mestery | gsagie: I have to go to my son's school and read in 10 minutes | 15:14 |
| mestery | But I'll be back after the top of the hour or so | 15:14 |
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| gsagie | ok | 15:14 |
| russellb | mestery: #dadops | 15:15 |
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| openstackgerrit | Numan Siddique proposed openstack/networking-ovn: Pass the dhcp options to the OVN to support dhcp responder https://review.openstack.org/243174 | 15:48 |
| gsagie | dhcp support already merged in OVN? :) cool | 15:49 |
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| mestery | russellb: lol :) | 15:50 |
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| russellb | gsagie: not yet, up for review still | 16:00 |
| russellb | Numan is just ahead of the game and already working on the Neutron side too :) | 16:00 |
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| gsagie_ | ajo: ping | 18:19 |
| ajo | hi gsagie_ | 18:19 |
| gsagie_ | ajo: i was wondering, is the move to security groups implemented in OVS for the ref implementation is something that is planned for Mitaka? | 18:20 |
| ajo | gsagie_ , yes, jlibosva is working on that AFAIK | 18:21 |
| gsagie_ | ajo: ok thanks! | 18:21 |
| ajo | gsagie_ , he started by writting functional tests to validate corner cases of security groups | 18:21 |
| ajo | and he was looking on the actual implementation now | 18:22 |
| gsagie_ | okie cool, thanks.. we were wondering if it will make it into mitaka | 18:23 |
| ajo | gsagie_ , I was also wondering if it could make sense to pull the ovs-dpdk reflective rules filtering into neutron reference solution | 18:24 |
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| ajo | so people could choose, and compare... | 18:25 |
| gsagie_ | what are the reflective rules? | 18:25 |
| ajo | gsagie_ , learning rules | 18:25 |
| gsagie_ | using the Flow Director? | 18:25 |
| ajo | when you see traffic going in one direction, you insert OF rules for the other (making it stateful) | 18:25 |
| gsagie_ | ok, so they solve it like that | 18:26 |
| ajo | for example, you see traffic going to port 80, from port 1234, then you insert a rule for, going to 1234 from 80 from the dst of the original packet | 18:26 |
| gsagie_ | however that sounds problematic security wise | 18:26 |
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| ajo | gsagie_ , it's actually what connection tracker does :) | 18:26 |
| gsagie_ | you need to know when the connection is terminated | 18:26 |
| ajo | yeah, that's true | 18:26 |
| gsagie_ | no, connection tracking keeps track of the TCP connection.. | 18:26 |
| ajo | I'm not sure if that's handled | 18:27 |
| gsagie_ | this has holes in it :) | 18:27 |
| ajo | gsagie_ : TCP, UDP, and ICMP | 18:27 |
| ajo | uep | 18:27 |
| ajo | yep | 18:27 |
| gsagie_ | for example when you expire these flows | 18:27 |
| ajo | yes, | 18:27 |
| ajo | gsagie_ , it's not perfect, | 18:27 |
| ajo | but "mostly works" | 18:27 |
| ajo | also it's slower , because the first traffic comming back has to go to ovs userland again | 18:28 |
| gsagie_ | yeah | 18:28 |
| ajo | until you have a megaflow path back | 18:28 |
| ajo | with CT you already have the ct=+est in the megaflows probably (I guess), I'm speculating here | 18:28 |
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| gsagie_ | well, its an integration with net filter, so it stays in the kernel if thats what you mean | 18:29 |
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| gsagie_ | ajo: i don't think the solution that ovs-dpdk are using is really applicable, i would at least raise this in the mailing list before trying to bring it to Neutron | 18:33 |
| gsagie_ | just to avoid doing wasted work | 18:33 |
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| ajo | gsagie_ , of course | 18:35 |
| ajo | gsagie_ , my thinking is that, probably, most of the work there is applicable to make the ovs/ct solution working | 18:35 |
| ajo | probably they would be very similar | 18:36 |
| ajo | our could reuse code from each other... | 18:36 |
| ajo | gsagie_ , but of course I wouldn't propose that to be the default reference solution | 18:36 |
| russellb | ajo: there's work on a userspace implementation of the connection tracker | 18:39 |
| russellb | so you'll be able to use ovs+conntrack flows for both datapaths (ovs kernel datapath, and ovs dpdk datapath) | 18:40 |
| russellb | eventually anyway | 18:40 |
| russellb | i would *really* not go the other route with ovs+dpdk ... | 18:40 |
| russellb | sounds like a waste of effort | 18:44 |
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| russellb | ... stupid internet problems, i wonder how much of my response made it through | 18:45 |
| gsagie_ | ? | 18:50 |
| russellb | home internet keeps going out | 18:52 |
| gsagie_ | you never disconnected.. | 18:53 |
| gsagie_ | from IRC at least :) | 18:54 |
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| russellb | i use a proxy | 18:55 |
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| gsagie_ | [20:44] <russellb> sounds like a waste of effort | 18:56 |
| gsagie_ | last line :) | 18:56 |
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