[lxc-users] Network instability with bridged nat and macvlan interfaces

Michel Jansens michel.jansens at ulb.ac.be
Fri Jun 8 06:58:19 UTC 2018



Hi Guido,

Thanks for your reply

I’ve installed an apache2 on port 8082, and it falls at the same time as haproxy ports 80 and 443. Only ssh keeps responding. Weird!

Michel




> On 8 Jun 2018, at 08:15, Jäkel, Guido <G.Jaekel at dnb.de> wrote:
> 
> Dear Michel,
> 
> did you already take a look on the other parts of the involved network environment? Maybe you have an issue on layer two vs. three concerning the MAC <-> IP correlation on the involved next upstream switch. You may check the ARP tables.
> 
> And -- because you "loose" port 80 and 443, but not 22 --- as a test I would arrange some other simple services (using another product as you use for the httpd).
> 





> Greetings
> 
> Guido
> 
>> -----Original Message-----
>> From: lxc-users [mailto:lxc-users-bounces at lists.linuxcontainers.org] On Behalf Of Michel Jansens
>> Sent: Thursday, June 07, 2018 7:36 PM
>> To: LXC users mailing-list <lxc-users at lists.linuxcontainers.org>
>> Subject: Re: [lxc-users] Network instability with bridged nat and macvlan interfaces
>> 
>> Hi Andrey,
>> Thank you for your answer.
>> I’ll try to avoid mixing macvlan with bridging/nat to test.
>> I’m currently building the equivalent on a second server, but with a bridge built on top of the vlan.
>> Somebody at Canonical also suggested it could be the physical switch playing bad with macvlan. We’re investigating.
>> I’ll keep you informed of the evolution.
>> 
>> Cheers,
>> 
>> Michel
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