[lxc-users] Ubuntu Server LXC networking Problem
CDR
venefax at gmail.com
Fri May 9 19:13:53 UTC 2014
The issue happens only with libvirt's virbr0 default network.
It does not happen with lxc lxcbr0
I am attaching the required information
On Fri, May 9, 2014 at 2:03 PM, CDR <venefax at gmail.com> wrote:
> No, my container has only one interface, and the host has many cards
> but only one with an IP address, the rest are UP but are not
> configured.
> This scenario males policy routing unnecessary.
>
>
> On Fri, May 9, 2014 at 10:51 AM, Michael H. Warfield <mhw at wittsend.com> wrote:
>> On Fri, 2014-05-09 at 08:00 -0400, CDR wrote:
>>> Does anybody know where in Canonical I may get support for LXC
>>> bridged-NAT networking?
>>> If the box is multihomed, it does not work.Although only one of the
>>> NICs has an IP address, it simply cannot route packets to the network.
>>> You may ping the default gateway, but that is it.
>>
>>> The same happens in every other distribution, but I switched over to
>>> Ubuntu Server for a host.
>>
>> I seem to recall in another message you sent that you were not just
>> using nat/bridge but also policy routing. Is that still true. If so,
>> please be sure to mention that along with the bridge networking. You've
>> got a very unusual setup.
>>
>>> Philip
>>
>> Regards,
>> Mike
>> --
>> Michael H. Warfield (AI4NB) | (770) 978-7061 | mhw at WittsEnd.com
>> /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/
>> NIC whois: MHW9 | An optimist believes we live in the best of all
>> PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it!
>>
>>
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
-------------- next part --------------
'eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.122.17 netmask 255.255.255.0 broadcast 192.168.122.255
ether 00:16:3b:d4:cd:ea txqueuelen 1000 (Ethernet)
RX packets 750 bytes 41204 (40.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 19 bytes 3422 (3.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet XXXXXXXX netmask 255.255.255.128 broadcast XXXXXXX
ether 00:16:3c:d3:cd:ea txqueuelen 0 (Ethernet)
RX packets 31450 bytes 1909128 (1.8 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 16 bytes 2336 (2.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 0 (Local Loopback)
RX packets 2 bytes 140 (140.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2 bytes 140 (140.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
-------------- next part --------------
ifconfig
eth0 Link encap:Ethernet HWaddr c8:1f:66:dc:98:c0
inet addr:XXXXXXXXX.156 Bcast:XXXXXXXXX.255 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:348168 errors:0 dropped:0 overruns:0 frame:0
TX packets:8916 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:23279848 (23.2 MB) TX bytes:1313982 (1.3 MB)
eth1 Link encap:Ethernet HWaddr c8:1f:66:dc:98:c2
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:777578 errors:0 dropped:48 overruns:0 frame:0
TX packets:101 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:119205975 (119.2 MB) TX bytes:15715 (15.7 KB)
eth2 Link encap:Ethernet HWaddr c8:1f:66:dc:98:c4
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:332853 errors:0 dropped:0 overruns:0 frame:0
TX packets:25 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:21860357 (21.8 MB) TX bytes:4224 (4.2 KB)
eth3 Link encap:Ethernet HWaddr c8:1f:66:dc:98:c6
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:330596 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:21714991 (21.7 MB) TX bytes:0 (0.0 B)
eth4 Link encap:Ethernet HWaddr 00:0a:f7:33:0f:08
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth5 Link encap:Ethernet HWaddr 00:0a:f7:33:0f:0a
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:241 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:35186 (35.1 KB) TX bytes:0 (0.0 B)
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:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:404 (404.0 B) TX bytes:404 (404.0 B)
lxcbr0 Link encap:Ethernet HWaddr fe:0d:89:62:db:a0
inet addr:10.0.3.1 Bcast:10.0.3.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:242 errors:0 dropped:0 overruns:0 frame:0
TX packets:214 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:21093 (21.0 KB) TX bytes:29404 (29.4 KB)
veth16O3HQ Link encap:Ethernet HWaddr fe:0d:89:62:db:a0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17 errors:0 dropped:0 overruns:0 frame:0
TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1694 (1.6 KB) TX bytes:3514 (3.5 KB)
veth7IK752 Link encap:Ethernet HWaddr fe:fe:68:10:fe:7f
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:22 errors:0 dropped:0 overruns:0 frame:0
TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1974 (1.9 KB) TX bytes:2951 (2.9 KB)
vethOWP6Q5 Link encap:Ethernet HWaddr fe:23:42:fe:28:a7
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15 errors:0 dropped:0 overruns:0 frame:0
TX packets:17 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1498 (1.4 KB) TX bytes:2634 (2.6 KB)
vethVLBAWO Link encap:Ethernet HWaddr fe:42:e8:a2:cb:9f
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:37 errors:0 dropped:0 overruns:0 frame:0
TX packets:728 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3242 (3.2 KB) TX bytes:40132 (40.1 KB)
virbr0 Link encap:Ethernet HWaddr 0a:7c:e9:b1:77:4f
inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:166 errors:0 dropped:0 overruns:0 frame:0
TX packets:144 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:15600 (15.6 KB) TX bytes:17156 (17.1 KB)
vnet0 Link encap:Ethernet HWaddr 0a:7c:e9:b1:77:4f
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:63 errors:0 dropped:0 overruns:0 frame:0
TX packets:831 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5090 (5.0 KB) TX bytes:47552 (47.5 KB)
vnet1 Link encap:Ethernet HWaddr 62:14:d3:5e:34:d5
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:19 errors:0 dropped:0 overruns:0 frame:0
TX packets:779 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3422 (3.4 KB) TX bytes:42712 (42.7 KB)
-------------- next part --------------
auto lo eth0 eth1 eth2 eth3 eth4 eth5
iface lo inet loopback
allow-hotplug eth0 eth1 eth2 eth3 eth4 eth5
iface eth0 inet static
address XXXX
netmask 255.255.255.128
gateway XXXXXC
hwaddress ether c8:1f:66:dc:98:c0
pre-up echo "Configuring Interface $IFACE"
iface eth1 inet manual
hwaddress ether c8:1f:66:dc:98:c2
iface eth2 inet manual
hwaddress ether c8:1f:66:dc:98:c4
iface eth3 inet manual
hwaddress ether c8:1f:66:dc:98:c6
iface eth4 inet manual
hwaddress ether 00:0a:f7:33:0f:08
iface eth5 inet manual
hwaddress ether 00:0a:f7:33:0f:0a
-------------- next part --------------
default via 192.168.122.1 dev eth0
169.254.0.0/16 dev eth0 scope link metric 1037
169.254.0.0/16 dev eth1 scope link metric 1039
192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.80
XXXXXXXXX.128/25 dev eth1 proto kernel scope link src XXXXXXXXX.194
-------------- next part --------------
default via XXXXXXXXX.129 dev eth0
10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
169.254.0.0/16 dev eth0 scope link metric 1000
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
XXXXXXXXX.128/25 dev eth0 proto kernel scope link src XXXXXXXXX.156
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