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Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge

From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH 4/4] Add support for -net bridge
Date: Sun, 08 Nov 2009 10:27:41 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4

On 11/08/2009 12:11 AM, Anthony Liguori wrote:

 You don't need root privileges to use a tap device.

You can access a preconfigured tap device but you cannot allocate a tap device and connect it to a bridge without CAP_NET_ADMIN.

btw, shouldn't we, in the general case, create a bridge per user and use IP NAT? If we have a global bridge, users can spoof each other's MAC addresses and interfere with their virtual machines. They can also interfere with the real network.

That's not a concern with most one-user-per-machine configurations, but the default configuration should be safe.

error compiling committee.c: too many arguments to function

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