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Adding a virtual ethernet device and join to a bridge [message #41012]

Thu, 04 November 2010 09:20

narcisgarcia
Messages: 41
Registered: May 2009

Member

I create the veth1.0 device in the Hardware Node, but no eth0 is seen int the ConTainer.
Networking scenario: br0 is a bridge in HN with eth0 and eth1 included. eth0 is the only physical ethernet plugged.

Previus ifconfig in HN:

br0       Link encap:Ethernet  HWaddr 00:0c:6e:1e:c6:98  
          inet addr:192.168.1.73  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:6eff:fe1e:c698/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:22834 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3731 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1284434 (1.2 MB)  TX bytes:710004 (710.0 KB)

eth0      Link encap:Ethernet  HWaddr 00:0c:6e:1e:c6:98  
          inet6 addr: fe80::20c:6eff:fe1e:c698/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:22908 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3731 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1612895 (1.6 MB)  TX bytes:710004 (710.0 KB)
          Interrupt:23 Base address:0x2000 

eth1      Link encap:Ethernet  HWaddr 00:17:9a:38:89:7f  
          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)
          Interrupt:16 Base address:0xe000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST POINTOPOINT RUNNING NOARP  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

Previus ifconfig in CT:

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:300 (300.0 B)  TX bytes:300 (300.0 B)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

venet0:0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:192.168.1.1  P-t-P:192.168.1.1  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1

The change:

vzctl set 1001 --netif_add eth0,,veth1.0,,br0 --save

Next ifconfig in HN (seems to be right):

br0       Link encap:Ethernet  HWaddr 00:0c:6e:1e:c6:98  
          inet addr:192.168.1.73  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:6eff:fe1e:c698/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:23764 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3796 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1332414 (1.3 MB)  TX bytes:721926 (721.9 KB)

eth0      Link encap:Ethernet  HWaddr 00:0c:6e:1e:c6:98  
          inet6 addr: fe80::20c:6eff:fe1e:c698/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:23838 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3796 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1674115 (1.6 MB)  TX bytes:721926 (721.9 KB)
          Interrupt:23 Base address:0x2000 

eth1      Link encap:Ethernet  HWaddr 00:17:9a:38:89:7f  
          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)
          Interrupt:16 Base address:0xe000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST POINTOPOINT RUNNING NOARP  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

veth1.0   Link encap:Ethernet  HWaddr 00:18:51:1e:50:1a  
          inet6 addr: fe80::218:51ff:fe1e:501a/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:3 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

Next ifconfig in CT (lack of "eth0" device):

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:300 (300.0 B)  TX bytes:300 (300.0 B)

venet0    Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  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:0 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

venet0:0  Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
          inet addr:192.168.1.1  P-t-P:192.168.1.1  Bcast:0.0.0.0  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1

Tried to restart the container (vzctl stop 1001 ; vzctl start 1001), but the result is the same when entering to container (vzctl enter 1001)

Software:
- Hardware Node with Ubuntu 10.04, recompiled kernel 2.6.32 with dzhanibekov.1 patch
- ConTainer (VEID=1) created with Ubuntu 10.04 precreated template
- vzctl version 3.0.23

(The final target is to set-up a DHCP server into a container)

Attachment: hn_ip-route.txt
(Size: 0.26KB, Downloaded 265 times)
Attachment: hn_ip-rule.txt
(Size: 0.08KB, Downloaded 243 times)
Attachment: hn_netfilter.txt
(Size: 1.00KB, Downloaded 276 times)
Attachment: hn_iptables-f.txt
(Size: 0.00KB, Downloaded 235 times)

Narcis Garcia

[Updated on: Fri, 05 November 2010 13:45]

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[Message index]

		Adding a virtual ethernet device and join to a bridge By: narcisgarcia on Thu, 04 November 2010 09:20
		Re: Adding a virtual ethernet device and join to a bridge By: narcisgarcia on Thu, 04 November 2010 14:16
		Re: Adding a virtual ethernet device and join to a bridge By: curx on Fri, 05 November 2010 07:09
		Re: Adding a virtual ethernet device and join to a bridge By: narcisgarcia on Fri, 05 November 2010 13:43

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