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Re: [Xen-users] no bridge is shown by ifconfig on Xen Debian

To: Grant McWilliams <grantmasterflash@xxxxxxxxx>
Subject: Re: [Xen-users] no bridge is shown by ifconfig on Xen Debian
From: chris <tknchris@xxxxxxxxx>
Date: Sat, 10 Apr 2010 22:39:05 -0400
Cc: linux-poweredge@xxxxxxxx, Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>, Tapas Mishra <mightydreams@xxxxxxxxx>
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I agree with Grant, the mystery is solved. It is just that some of the
docs are a bit dated. Your bridge is working properly and your cfg
files should use the eth2 bridge rather than xenbr0.

- chris

On Sat, Apr 10, 2010 at 9:15 PM, Grant McWilliams
<grantmasterflash@xxxxxxxxx> wrote:
>
> On Sat, Apr 10, 2010 at 12:13 PM, Tapas Mishra <mightydreams@xxxxxxxxx>
> wrote:
>>
>> xenserver:~# brctl show
>> bridge name     bridge id               STP enabled     interfaces
>> eth2            8000.0026b9824238       no              peth2
>>                                                        vif1.0
>>                                                        vif2.0
>>                                                        vif3.0
>>                                                        vif4.0
>>
>>
>> It is showing eth2 that is what is my problem is I am running xen 3.2
>> and if I refer to that doc it should be xen-br0 since they are
>> mentioning that bridge name will be same as the interface name if it
>> is xen 3.3 or above.
>>
>
> But we solved the mystery by just looking right? As far as the bridge name
> being the same as your interface name it is - eth2. It looks like your
> physical interface comes up as eth2 for whatever reason then Xend renames it
> to peth2, sets up a bridge named eth2 and adds peth2 to it.
>
>  So what we see is that you have one bridge (eth2) and all interfaces real
> or virtual are on it. This means that those  VMs should be communicating on
> the real network like they're real machines. If you want to redirect
> connections from the public network you can have your router between you and
> the outside world port forward to the VMs and you're done. The VMs should
> already be able to connect to the internet.
>
> Grant McWilliams
>
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>

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