Re: NetworkManager & tun/br enigma
Johannes Graumann wrote:
> Johannes Graumann wrote:
>
>> Hello,
>>
>> I'm trying to get a NetworkManager-independent bridg up and running to be
>> able to have my firewall manage traffic to/from lxc containers.
>>
>> My '/etc/network/interfaces' looks like this:
>>> auto lo
>>> iface lo inet loopback
>>>
>>> # tun/tap/bridge combo for lxc container networking
>>> auto tun0
>>> iface tun0 inet manual
>>> tunctl_user root
>>> up ip link set tun0 up
>>> down ip link set tun0 down
>>> auto br0
>>> iface br0 inet static
>>> bridge_ports tun0
>>> bridge_maxwait 0
>>> bridge_stp off
>>> address 172.16.0.1
>>> netmask 255.255.255.0
>>> dns-search virt.local
>>
>> No matter what I do to the
>>> [ifupdown]
>>> managed=true/false
>> parameter in '/etc/NetworkManager/NetworkManager.conf', 'ifconfig'
>> doesn't show me the tun0/br0 interfaces.
>>
>> When I manually call 'service networking re/start', the process gets
>> stuck unresponsively. 'CTRL-C'ing out 'ifconfig' now shows the tun/br
>> interfaces. 'tail /var/log/messages' reports:
>>> IPv6: ADDRCONF(NETDEV_UP): tun0: link is not ready
>>
>> Any hints on what may be wrong and how to proceed?
>>
>> Sincerely, Joh
>
> Turns out this was a (shot?) systemd issue. After reinstalling it my setup
> works as expected: eth/wlan managed by NM (as nos present in
> /etc/network/interfaces), tun/br come up and are not NM managed.
>
> Joh
Turns out I was wrong with my first explanation above - what really is/was
amiss is the fact that installation of NetworkManager seems to imply
'update-rc.d networking disable' - the inverse fixed my situation. Sorry for
the noise.
Joh
Reply to: