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

[Michel Jansens]

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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