Also I should mention our openstack environment is kilo based if that makes any difference.
Thanks. On Mon, May 2, 2016 at 10:30 PM, Jagga Soorma <jagg...@gmail.com> wrote: > We us a external vm network of 10.36.6.0/23. Looks like I do have some > snat rules but no idea what I should be specifically looking for in here: > > $ ip netns | grep -i snat > snat-9e849e49-ed36-4280-a53c-47d6f5afbea2 > snat-716dc7bd-9d6b-41da-aa6a-a484398785b1 > snat-bece0591-c55b-4a48-bc2b-77873a3ebce1 > snat-803e06a4-4499-4ce0-bda6-fb158e717b9e > snat-6e4669f9-0b63-4b60-bdf6-94037b4c1e23 > > > $ sudo ip netns exec snat-9e849e49-ed36-4280-a53c-47d6f5afbea2 ip a | grep > "inet" > inet 127.0.0.1/8 scope host lo > inet6 ::1/128 scope host > inet 192.168.5.4/24 brd 192.168.5.255 scope global sg-86abc456-8d > inet6 fe80::f816:3eff:fe23:7166/64 scope link > inet 10.36.6.240/23 brd 10.36.7.255 scope global qg-09e400d1-28 > inet6 fe80::f816:3eff:fe52:dc9a/64 scope link > > > $ sudo ip netns exec snat-bece0591-c55b-4a48-bc2b-77873a3ebce1 ip a | grep > "inet" > inet 127.0.0.1/8 scope host lo > inet6 ::1/128 scope host > inet 192.168.8.4/24 brd 192.168.8.255 scope global sg-ec9b41fe-3b > inet6 fe80::f816:3eff:feb5:a225/64 scope link > inet 10.36.6.79/23 brd 10.36.7.255 scope global qg-b1f38a3f-0b > inet6 fe80::f816:3eff:fe4b:4a1e/64 scope link > > On Mon, May 2, 2016 at 10:09 PM, Remo Mattei <r...@italy1.com> wrote: > >> not sure how you build your public network.. but usually it does not do >> dhcp. So those are details that are needed in order for us to give you >> solutions / options / checking etc based on what you are running, how it >> was configured etc.. >> >> CentOS, Ubuntu, scripting just as an example.. >> >> Remo >> >> On May 2, 2016, at 22:02, Jagga <jagg...@gmail.com> wrote: >> >> That is what I thought but it does not seem to be working this way. How >> would I check our snat namespace and what specifically should I be looking >> for? My apologies but am very new to openstack. >> >> Thanks. >> >> >> On May 2, 2016, at 9:51 PM, Dileep Varma Bairraju <varma...@gmail.com> >> wrote: >> >> Hi Jagga, >> >> I don't think that's the right approach.Floating ip will effectively do a >> 1:1 NAT for a given a vm to reach external resources. But, there should be >> a ip from the external network that gets assigned to SNAT namespace on >> network node, this effectively will let all vm's (without floating ip) >> access external resources. >> >> I'd suggest you check at your snat namespace for possible issues, as you >> seem to have patched the problem for that vm with floating ip's. >> >> > Is that by design or is there something wrong with our configuration? >> As per design, you don't need to assign floating ip's for your vm's to >> get out, this should be done by SNAT by default as mentioned earlier, where >> all the vm's internal ip space maps one external ip. >> >> Regards, >> Dileep >> >> On Mon, May 2, 2016 at 8:32 PM, Jagga Soorma <jagg...@gmail.com> wrote: >> >>> Hi Guys, >>> >>> Need some clarification regarding routing for instances without a >>> floating ip address. Basically we have instances connected to a priv >>> network that is also connected to our external network and our security >>> group allows all egress traffic. However, we can't seem to get to any >>> resource on our external network till a floating ip address is assigned. >>> Once we assign a floating ip address we can get out. Is that by design or >>> is there something wrong with our configuration? >>> >>> Thanks. >>> >>> _______________________________________________ >>> Mailing list: >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> Post to : openstack@lists.openstack.org >>> Unsubscribe : >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >>> >>> >> >> >> -- >> Regards, >> Dileep V Bairraju >> >> !DSPAM:1,572831b2317776163816806! >> _______________________________________________ >> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> >> >> !DSPAM:1,572831b2317776163816806! >> >> >> >
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