[libvirt] [PATCH] network: don't add iptables rules for externally managed networks

Eric Blake eblake at redhat.com
Fri Dec 9 22:07:14 UTC 2011

On 12/09/2011 02:59 PM, Laine Stump wrote:
> From: Laine Stump <laine at redhat.com>
> This patch addresses https://bugzilla.redhat.com/show_bug.cgi?id=760442
> When a network has any forward type other than route, nat or none, the
> network configuration should be done completely external to libvirt -
> libvirt only uses these types to allow configuring guests in a manner
> that isn't tied to a specific host (all the host-specific information,
> in particular interface names, port profile data, and bandwidth
> configuration is in the network definition, and the guest
> configuration only references it).
> Due to a bug in the bridge network driver, libvirt was adding iptables
> rules for networks with forward type='bridge' etc. any time libvirtd
> was restarted while one of these networks was active.
> This patch eliminates that error by only "reloading" iptables rules if
> forward type is route, nat, or none.
> ---
>  src/network/bridge_driver.c |   18 +++++++++++++-----
>  1 files changed, 13 insertions(+), 5 deletions(-)


Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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