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

Jäkel, Guido G.Jaekel at dnb.de
Fri Jun 8 11:34:26 UTC 2018


Dear Michel,

... but the ssh connection is continous open -- before and "during" the issue?

Did you sniff (e.g. with tcpdump) the package flow on and outside (e.g. from your testing host)?

Guido
>-----Original Message-----
>From: lxc-users [mailto:lxc-users-bounces at lists.linuxcontainers.org] On Behalf Of Michel Jansens
>Sent: Friday, June 08, 2018 8:58 AM
>To: LXC users mailing-list <lxc-users at lists.linuxcontainers.org>
>Subject: Re: [lxc-users] Network instability with bridged nat and macvlan interfaces
>
>
>
>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 <mailto: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).
>


More information about the lxc-users mailing list