[lxc-users] LXC containers w/ static IPs work on some hosts, not on others

[Michael Peek]

How do I tell?

Michael



On 10/20/2016 01:35 PM, Ron Kelley wrote:
> What profile(s) are you using for your LXC containers?
>
>
>
> On Oct 20, 2016, at 1:33 PM, Michael Peek <peek at nimbios.org
> <mailto:peek at nimbios.org>> wrote:
>
> Hi gurus,
>
> I'm scratching my head again.  I'm using the following commands to
> create an LXC container with a static IP address:
>
>     # lxc-create -n my-container-1 -t download -- -d ubuntu -r xenial
>     -a amd64
>
>     # vi /var/lib/lxc/my-container-1/config
>
>     Change:
>     # Network configuration
>     # lxc.network.type = veth
>     # lxc.network.link = lxcbr0
>     # lxc.network.flags = up
>     # lxc.network.hwaddr = 00:16:3e:0d:ec:13
>     lxc.network.type = macvlan
>     lxc.network.link = eno1
>
>     # vi /var/lib/lxc/my-container-1/rootfs/etc/network/interfaces
>
>     Change:
>     #iface eth0 inet dhcp
>     iface eth0 inet static
>       address xxx.xxx.xxx.4
>       netmask 255.255.255.0
>       network xxx.xxx.xxx.0
>       broadcast xxx.xxx.xxx.255
>       gateway xxx.xxx.xxx.1
>       dns-nameservers xxx.xxx.0.66 xxx.xxx.128.66 8.8.8.8
>       dns-search my.domain
>
>     # lxc-start -n my-container-1 -d
>
>
> It failed to work.  I reviewed my notes from past posts to the list
> but found no discrepancies.  So I deleted the container and tried it
> on another host -- and it worked.  Next I deleted that container and
> went back to the first host, and it failed.  Lastly, I tried the above
> steps on multiple hosts and found that it works fine on some hosts,
> but not on others, and I have no idea why.  On hosts where this fails
> there are no error messages, but the container can't access the
> network, and nothing on the network can access the container.
>
> Is there some step that I'm missing?
>
> Thanks for any help,
>
> Michael Peek
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