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Thursday, October 30, 2014

How to add eth0 and wlan0 to OpenvSwitch Bridge

1)
Find configuration of "wlan0"
#ifconfig wlan0




2)
Note the route table entries
#route -n

3)
Add an OpenvSwitch Bridge
#sudo ovs-vsctl add-br br-int



4)
Add the interface "wlan0" to OpenvSwitch Bridge "br-int" and Zero out your wlan0 interface
#sudo ovs-vsctl add-port br-int wlan0
#sudo ifconfig wlan0 0





5)
Assign IP to OpenvSwitch Bridge "br-int"
$sudo ifconfig br-int 192.168.0.131 netmask 255.255.255.0


6)
Change your default route
#sudo route add default gw 192.168.0.1 br-int



7)
Check the configuration of "wlan0" and "br-int"
#ifconfig wlan0
#ifconfig br-int

8)
Check the route table entries
#route -n

9)
a)
Before


b)
Commands

sudo ovs-vsctl add-br br-int
sudo ovs-vsctl add-port br-int wlan0
sudo ifconfig wlan0 0
sudo ifconfig br-int 192.168.0.131 netmask 255.255.255.0
sudo route add default gw 192.168.0.1 br-int


c)
After



10)
Delete OpenvSwitch Bridge "br-int"
#sudo ovs-vsctl del-br br-int
#route -n
*Wifi: Disconnect and connect again



51 comments:

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  2. /etc/ovs-ifup: could not launch network script
    qemu-system-x86_64: -net tap,script=/etc/ovs-ifup,downscript=/etc/ovs-ifdown: Device 'tap' could not be initialized
    I got this error

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    Replies
    1. chmod +x /etc/ovs-ifup /etc/ovs-ifdown
      doing this worked for me

      Delete
  3. it showed me an error when i am trying to sudo ifconfig wlan0 0

    $ sudo ifconfig wlan0 0
    SIOCSIFADDR: No such device
    wlan0: ERROR while getting interface flags: No such device

    would you please help me, Thank you

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