Duncan,
a routing issue does help, gives me a new place to look.
As for the device name, technically these are the real devices as
follows ....
eth0 -> real ethernet device
br0 -> bridging device
tap0/tap1 TUN/TAP Devices
Duncan wrote:
> Chris Brennan <[EMAIL PROTECTED]> posted
> [EMAIL PROTECTED], excerpted below, on Wed, 20 Feb 2008
> 21:40:43 -0500:
>
>
>> I am trying to set up a Bridge for Qemu to use. I followed the guide at
>> http://gentoo-wiki.com/
>>
> HOWTO:_Qemu#Using_TUN.2FTAP_interface_as_a_normal_user
>
>> but when ever the bridge starts, I loose connectivity outside of my box
>> :/ ... am I missing something ....
>>
>
> I've not done bridging or the like here so don't know the details, nor do
> I claim to be a routing expert, but in the hope this will at least get
> you pointed in the right direction...
>
>
> That sounds like a routing issue. When the bridge starts, it gets
> precedence routing and the regular eth0 interface drops back a notch. To
> correct it you'd need to adjust your routing table, presumably by
> specifically setting the bridge interface routing to a lower precedence.
> (Beyond that, I don't know, as I've simply kept note of enough info about
> it to know where to start reading if I ever face routing issues or need
> to setup additional interfaces. Hopefully, it's enough to start you in
> the right direction as well...)
>
> Additionally, are you sure the bridge should be setup as eth0 when you
> already have an eth0? As I said, I don't know a lot about it, but I'd
> have expected it to be, say, eth1, not eth0, unless you indeed /did/ want
> it to actually replace eth0 when it was enabled.
>
> Hope it helps... and that someone who better knows the subject matter
> comes along with more help. =8^S
>
>
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