Cannot find device br-ex fix for openvswitch on openstack

Cannot find device br-ex fix for openvswitch on openstack

Cannot find device br-ex fix for openvswitch on openstack

During the installation of OpenStack on Debian Wheezy I noticed an unusual Behave. While booting up the networking task Debian complained about: Cannot find device br-ex. In this shortie i will give you an solution for that.

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Jules

Jules is the owner and author of ISPIRE.ME. He's a Linux System Engineer, Tech fanatic and an Open Source fan.

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1 Response

  1. Alberto Molina says:

    Thank you very much Jules!

    This solve the same issue I was facing on Debian Jessie. The modification proposed to LSB header part of openvswitch-switch works fine, although jessie is using systemd

    An additional modification is needed in my case in /etc/network/interfaces:

    auto br-ex
    iface br-ex inet static
    address ...
    netmask ...
    up ifconfig eth0 up
    up ip link set eth0 promisc on
    down ip link set eth0 promisc off
    down ifconfig eth0 down

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