[Lxc-users] Can not ping outside of local LAN from within a LXC

[Kevin LaTona]

Hi Masood,

This is how the Host is setup

auto lo
iface lo inet loopback

auto br0
iface br0 inet static
       bridge_ports eth0
        bridge_stp off
        bridge_maxwait 0
        bridge_fd 0

        address 192.168.0.50
        netmask 255.255.255.0
        network 192.168.0.0
        broadcast 192.168.0.255
        gateway 192.168.0.1
        dns-nameservers 192.168.0.1

auto eth0
iface eth0 inet manual


-Kevin




On Jul 27, 2013, at 7:53 AM, Masood Mortazavi <masoodmortazavi at gmail.com> wrote:

> My guess is that the gateway configuration should probably be specified on the software network bridge that hosts the network for all the containers. -- m.
> 
> 
> On Sat, Jul 27, 2013 at 7:04 AM, Kevin LaTona <lists at studiosola.com> wrote:
> Hi Saurabh,
> 
> I have tried that and it has not seemed to matter yet in this setup.
> 
> I have been told that the container's /etc/network/interfaces calls should set it, but for whatever reason in this case it is not.
> 
> For now at least I am using a "route add default gw 192.168.0.1" in the container's startup script and that is solving the issue.
> 
> As even placing the route call in the container's /etc/network/interface stanza has not had an effect yet.
> 
> 
> I am curios if people on other OS platforms are having the same issues, as from what I have seen on the web this is not a new problem.
> 
> Or if this issue has more to with how Ubuntu 12.04.2 and LXC are currently interacting with each other.
> 
> I still don't know and there are still many variables to tie down to know why for sure.
> 
> Thanks for your suggestion.
> 
> -Kevin
> 
> 
> 
> On Jul 27, 2013, at 1:26 AM, Saurabh Deochake <saurabh.d04 at gmail.com> wrote:
> 
>> Hi Kevin,
>> 
>> Did you try adding lxc.network.ipv4.gateway=<IP_address> in the configuration file of the container?
>> 
>> The address is in format  x.y.z.t/m,  eg.  192.168.0.1/24.
>> 
>> Regards,
>> Saurabh Deochake.
>> [NTT DATA]
>> 
>> 
>> On Sat, Jul 27, 2013 at 3:45 AM, Kevin LaTona <lists at studiosola.com> wrote:
>> 
>> On Jul 26, 2013, at 3:11 PM, Luis M. Ibarra <michael.ibarra at gmail.com> wrote:
>> 
>> > can you post your container config?
>> 
>> 
>> lxc.utsname = vm1
>> 
>> lxc.network.type=veth
>> lxc.network.link=br0
>>  lxc.network.name = br0
>> 
>> lxc.network.hwaddr = 00:16:3e:2a:53:c1
>> lxc.network.ipv4 = 192.168.0.30/24
>> lxc.network.flags=up
>> 
>> lxc.devttydir = lxc
>> lxc.tty = 4
>> lxc.pts = 1024
>> lxc.rootfs = /var/lib/lxc/vm1/rootfs
>> lxc.mount  = /var/lib/lxc/vm1/fstab
>> lxc.arch = amd64
>> lxc.cap.drop = sys_module mac_admin
>> lxc.pivotdir = lxc_putold
>> 
>> # uncomment the next line to run the container unconfined:
>> #lxc.aa_profile = unconfined
>> 
>> lxc.cgroup.devices.deny = a
>> 
>> # Allow any mknod (but not using the node)
>> lxc.cgroup.devices.allow = c *:* m
>> lxc.cgroup.devices.allow = b *:* m
>> 
>> # /dev/null and zero
>> lxc.cgroup.devices.allow = c 1:3 rwm
>> lxc.cgroup.devices.allow = c 1:5 rwm
>> 
>> # consoles
>> lxc.cgroup.devices.allow = c 5:1 rwm
>> lxc.cgroup.devices.allow = c 5:0 rwm
>> 
>> #lxc.cgroup.devices.allow = c 4:0 rwm
>> #lxc.cgroup.devices.allow = c 4:1 rwm
>> 
>> # /dev/{,u}random
>> lxc.cgroup.devices.allow = c 1:9 rwm
>> lxc.cgroup.devices.allow = c 1:8 rwm
>> lxc.cgroup.devices.allow = c 136:* rwm
>> lxc.cgroup.devices.allow = c 5:2 rwm
>> 
>> # rtc
>> lxc.cgroup.devices.allow = c 254:0 rwm
>> 
>> #fuse
>> lxc.cgroup.devices.allow = c 10:229 rwm
>> 
>> #tun
>> lxc.cgroup.devices.allow = c 10:200 rwm
>> 
>> #full
>> lxc.cgroup.devices.allow = c 1:7 rwm
>> 
>> #hpet
>> lxc.cgroup.devices.allow = c 10:228 rwm
>> 
>> #kvm
>> lxc.cgroup.devices.allow = c 10:232 rwm
>> 
>> 
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> 
> 
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