<div dir="ltr"><div>I'm in similar situation. Trying to run Bird on hardware that runs on top of kernel that doesn't support vrf.</div>Not sure if I understand correctly. Not sure how using Linux sockets would allow you to achieve separation between different namespaces? You would still need at least different Bird process, right?</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 7, 2019 at 11:08 PM Alexander Zubkov <<a href="mailto:green@qrator.net">green@qrator.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Yes. Looks like they are accounted in their own network namespace, it<br>
is quite reasonable. But they are still can be accessed via the file<br>
system from another namespaces. I can confirm that it works too. An<br>
example with the bird control socket:<br>
<br>
localhost:~/run# birdc -s retn/bird.ctl show status<br>
BIRD 2.0.4 ready.<br>
BIRD 2.0.4<br>
Router ID is 87.245.192.0<br>
Current server time is 2019-06-07 20:47:32.479<br>
Last reboot on 2019-06-07 20:45:17.425<br>
Last reconfiguration on 2019-06-07 20:45:17.425<br>
Daemon is up and running<br>
localhost:~/run# ip netns exec retn birdc -s retn/bird.ctl show status<br>
BIRD 2.0.4 ready.<br>
BIRD 2.0.4<br>
Router ID is 87.245.192.0<br>
Current server time is 2019-06-07 20:47:49.452<br>
Last reboot on 2019-06-07 20:45:17.425<br>
Last reconfiguration on 2019-06-07 20:45:17.425<br>
Daemon is up and running<br>
<br>
<br>
On Fri, Jun 7, 2019 at 10:41 PM Maria Matejka <<a href="mailto:jan.matejka@nic.cz" target="_blank">jan.matejka@nic.cz</a>> wrote:<br>
><br>
> > On 6/7/19 12:14 PM, Maria Jan Matějka wrote:<br>
> >> Thinking once more about it, with respect to the interfaces and so,<br>
> >> the BGP transported over Unix socket seems to be quite simple feature<br>
> >> to do.<br>
> ><br>
> > I thought, and my initial tests support, that Unix sockets are network<br>
> > namespace specific.<br>
> ><br>
> > # netstat -aFunix<br>
> > Kernel Interface table<br>
> > Iface MTU RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP<br>
> > TX-OVR Flg<br>
> > eno1 1500 77564888 0 614 0 66111123 0 0 0 BMRU<br>
> > lo 65536 68143909 0 0 0 68143909 0 0 0 LRU<br>
> > # ip netns add test<br>
> > # ip netns exec test /bin/netstat -aFunix<br>
> > Kernel Interface table<br>
> > Iface MTU RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP<br>
> > TX-OVR Flg<br>
> > lo 65536 0 0 0 0 0 0 0<br>
> > 0 L<br>
> > # ip netns del test<br>
> ><br>
> > So, I'm not sure if that's going to work the way that you want.<br>
><br>
> It will work the same way as the BIRD control socket works.<br>
> You can try it by the attached script (run by root) which uses socat for<br>
> demonstration.<br>
><br>
> Maria<br>
<br>
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