Re: [Users] OpenVZ on EL6 - weird network issue

2015-01-04 Thread Michael Stauber
Hi Scott, I'd like to hear more once you get it figured out. We had two more outages in between. I then also learned that there are not only the three OpenVZ nodes in the same class C network, but also 50 other (physical) Linux servers. So there is a certain level of noise and congestion in

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Scott Dowdle
Greetings, - Original Message - Symptoms: = All nodes and VPS's sporadically get unreachable from the outside. From within the private network (from another box for example) one can still SSH in. Pings to public IPs then still work from the nodes, but no longer work from

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Pavel Odintsov
Hello, folks! Did you tried open-v-switch instead standard Linux bridges? I working with openwswitch on many servers and everything working perfectly now. On Sun, Dec 28, 2014 at 12:21 AM, Michael Stauber mstau...@blueonyx.it wrote: Hi Scott, [...] almost always it was inside of a commercial

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Michael Stauber
Hi Pavel, Did you tried open-v-switch instead standard Linux bridges? I actually wasn't aware of that one before you mentioned it. I'm just starting to read the docs and specs of it and it looks indeed very interesting. Do you by chance have any specific pointers or docs how to set it up for

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Pavel Odintsov
Hello! You can read this ticket https://bugzilla.openvz.org/show_bug.cgi?id=2896 and can find all answer there. On Sun, Dec 28, 2014 at 1:18 AM, Michael Stauber mstau...@blueonyx.it wrote: Hi Pavel, Did you tried open-v-switch instead standard Linux bridges? I actually wasn't aware of that

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Hristo Benev
Оригинално писмо От: Michael Stauber mstau...@blueonyx.it Относно: Re: [Users] OpenVZ on EL6 - weird network issue До: OpenVZ users users@openvz.org Изпратено на: Неделя, 2014, Декември 28 00:18:17 EET Hi Pavel, Did you tried open-v-switch instead standard

Re: [Users] OpenVZ on EL6 - weird network issue

2014-12-27 Thread Michael Stauber
Hi Hristo, From what you are experiencing I'll check ARP on the switch... We'll do that the next time it happens. If I understood correctly you firewall cannot reach the nodes (cannot be reached from outside...) - can you ssh to them from FW? When the problem happens we cannot SSH in to