[lxc-users] Problem with bridge mode and static ip

[Andrea]

Hi Mathew,

yeah you've right ! I thought of an ESXi issue and I didn't know about
Promiscuous Mode.
It works now.

thanks
Andrea

2016-08-10 16:34 GMT+02:00 Mathew Pang <mpang at sentient-energy.com>:

> Hi Andrea,
>
> If I am understanding your issue correctly, I ran into the same problem
> when running containers inside of an ESXi server. The problem has to do
> with the virtual switch that the server is connected to. It only expects
> its ESXi server to be connected to it. Therefore, when it sees packets
> destined for MAC addresses that are not the ESXi server, it drops them. I
> fixed this by setting the switch in promiscuous mode.
>
> I found the solution here: http://serverfault.com/questions/473438/lxc-vm-
> access-outside-the-host/473442#473442
>
>
> On Wed, Aug 10, 2016 at 6:37 AM, Andrea <andreamssbs at gmail.com> wrote:
>
>> Hello everyone,
>>
>> my situation is a VMware esxi 6 server with a new fresh installation of
>> the last Ubuntu 16.04.1 iso distribution.
>> I updated everything and I followed these articles to use my container
>> with an local network ip:
>> https://bayton.org/2016/05/lxd-zfs-and-bridged-networking-
>> on-ubuntu-16-04-lts/
>> https://www.simpleprecision.com/ubuntu-16-04-lxd-networking-
>> simple-bridge/
>>
>> my lan is:
>>
>> Router (dhcp server): ip 10.9.4.54 / 26
>>
>> Ubuntu 16.04: ip 10.9.4.1
>> Container1 (ubuntu 14.04): ip 10.9.4.11
>>
>>
>> the issue is that from xential the ping to the container responds also
>> with ssh.
>>
>> from the container the ping to xential works but to the router or any
>> other in the lan or internet doesn't work.
>>
>> I can also communicate with ssh between both.
>>
>> here some configuration:
>>
>>
>> *this is the interface file of Xential host :*
>> auto br0
>> iface br0 inet static
>> address 10.9.4.1
>> netmask 255.255.255.192
>> network 10.9.4.0
>> broadcast 10.9.4.63
>> gateway 10.9.4.54
>> dns-nameservers 8.8.8.8 8.8.4.4
>> bridge_ports ens33
>>
>> iface ens33 inet manual
>>
>>
>>
>> *ifconfig:*
>>
>> br0       Link encap:Ethernet  HWaddr 00:0c:29:70:43:90
>>           inet addr:10.9.4.1  Bcast:10.9.4.63  Mask:255.255.255.192
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:4957 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:2722 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:915910 (915.9 KB)  TX bytes:370097 (370.0 KB)
>>
>> ens33     Link encap:Ethernet  HWaddr 00:0c:29:70:43:90
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:4753 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:2900 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:909736 (909.7 KB)  TX bytes:438083 (438.0 KB)
>>
>> lo        Link encap:Local Loopback
>>           inet addr:127.0.0.1  Mask:255.0.0.0
>>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
>>           RX packets:160 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:160 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1
>>           RX bytes:11840 (11.8 KB)  TX bytes:11840 (11.8 KB)
>>
>> vethOP7FMJ Link encap:Ethernet  HWaddr fe:9f:5a:06:f9:c3
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:213 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:117 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:18845 (18.8 KB)  TX bytes:15729 (15.7 KB)
>>
>>
>>
>> *lxc profile show default*
>>
>> name: default
>> config: {}
>> description: Default LXD profile
>> devices:
>>   eth0:
>>     name: eth0
>>     nictype: bridged
>>     parent: br0
>>     type: nic
>>
>>
>>
>> The container:
>>
>> */etc/network/interface*
>>
>> # source /etc/network/interfaces.d/*.cfg
>>
>> auto eth0
>> iface eth0 inet static
>> address 10.9.4.11
>> network 10.9.4.0
>> broadcast 10.9.4.63
>> gateway 10.9.4.54
>> dns-nameservers 8.8.8.8
>>
>>
>>
>> What else can I do ???
>>
>> thanks
>> Andrea
>>
>>
>>
>>
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>>
>
>
>
> --
> Mathew Pang
>
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