Just check that you have scripts there for the bridges at
/etc/sysconfig/network-scripts/ifcfg-br0 & ifcfg-br1
From: discuss-boun...@openvswitch.org [mailto:discuss-boun...@openvswitch.org]
On Behalf Of JinHwan Hwang
Sent: Thursday, May 30, 2013 6:11 AM
To: discuss@openvswitch.org
Subject: [ovs-discuss] can't bring up bridge interfaces created by the the ovs
after rebooting the server
(English is not my first language. Sorry for my poor English )
OS :
Linux nc233 2.6.32-220.17.1.el6.x86_64 #1 SMP Tue May 15 17:16:46 CDT 2012
x86_64 x86_64 x86_64 GNU/Linux
CentOS release 6.3 (Final)
open vswitch : 1.11.90
I installed the ovs by using source install. At that time it worked properly.
But after rebooting the server, i can't bring up bridge interface created by
the ovs anymore.
There are some mistakes i'm worrying about. When I rebooted the server, I
didn't expected that the ovs setting would disappeared if i don't force it to
exist consistently. Therefore, i didn't configured something about that. After
the reboot, I found that the bridge module and ifconfig setting are rolled back
as if i didn't configured about the ovs.
So, I do rmmod bridge and insmod the ovs modules again. And then started the
ovs db. There were similar with installing from scratch except building
it(literally i copied and pasted command from INSTALL file included in the
distribution). After that, i could find what i configured before.
# ovs-vsctl show
76d9d6aa-cfce-4868-bf99-7d16bcfe38eb
Bridge "br0"
Port "br0"
Interface "br0"
type: internal
Port "eth1"
Interface "eth1"
# ifconfig
eth0 Link encap:Ethernet HWaddr 5C:F3:FC:29:C7:12
inet addr:172.16.222.233 Bcast:172.16.222.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1415586 errors:0 dropped:0 overruns:0 frame:0
TX packets:4897 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:120257509 (114.6 MiB) TX bytes:1025583 (1001.5 KiB)
Interrupt:17 Memory:91a80000-91aa0000
eth1 Link encap:Ethernet HWaddr 5C:F3:FC:29:C7:13
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1286611 errors:0 dropped:0 overruns:0 frame:0
TX packets:27647 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:114004322 (108.7 MiB) TX bytes:3728677 (3.5 MiB)
Interrupt:19 Memory:91980000-919a0000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1538 errors:0 dropped:0 overruns:0 frame:0
TX packets:1538 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:93110 (90.9 KiB) TX bytes:93110 (90.9 KiB)
usb0 Link encap:Ethernet HWaddr 5E:F3:FC:29:C7:15
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)
There were no problems until that time, So i tried to bring up the bridge br0
configured in ovs-vsctl. But it turns out that there are no bridge named br0.
# ifconfig br0 up
br0: unknown interface: No such device
Furthermore, I can't create new bridge interface by using ovs-vsctl.
I created br2 after configuring newly. But it also returned me same error as
did to br2.
# ovs-vsctl show
76d9d6aa-cfce-4868-bf99-7d16bcfe38eb
Bridge "br0"
Port "br0"
Interface "br0"
type: internal
Port "eth1"
Interface "eth1"
Bridge "br2"
Port "br2"
Interface "br2"
type: internal
# ifconfig br2 up
br2: unknown interface: No such device
What is wrong with what i did? Is doing nothing before rebooting the ovs a real
critical issue? or there are maybe something wrong with reconfiguring the ovs?
Thank you for reading.
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