Re: [Xen-users] How to know which interface DomU sees the Vif de

To:	xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] How to know which interface DomU sees the Vif device
From:	Jorge Armando Medina <jmedina@xxxxxxxxxxxxxxx>
Date:	Thu, 18 Nov 2010 16:26:23 -0600
Delivery-date:	Thu, 18 Nov 2010 14:23:32 -0800
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On 11/18/2010 03:04 PM, Fajar A. Nugraha wrote:
> On Fri, Nov 19, 2010 at 12:49 AM, Diego Dias <diego.dias@xxxxxxxxxxx> wrote:
>   
>> Is there a way to dinamically know on which network interface domU sees the
>> Vif Dom0 "gives" to them.
>>
>> Ex:
>>    on Dom0: Vifname: vif111.0
>>    on DomU: vif111.0 on network interface : eth0
>>     
> On the default setup, it's easy
>
>   
>>    on Dom0: Vifname: vif111.0
>>    on DomU: vif111.0 on network interface : eth0
>>     
> vif111.0 means it's the first interface of a domU with id 111. Run "xm
> list" and see which domU has that ID. In the domU side,
> vif111.0 will be eth0, vif111.1 will be eth1, and so on.
>
>
> Another method to look (which is especially useful if you've changed
> the interface name) is something like this:
> # xm list
> Name                                        ID   Mem VCPUs      State   
> Time(s)
> Domain-0                                     0  2046     2     r----- 
> 1700592.7
> ubuntu-test                                231   128     1     -b----  26724.9
>
> # xm network-list ubuntu-test
> Idx BE     MAC Addr.     handle state evt-ch tx-/rx-ring-ref BE-path
> 0   0  00:16:3E:63:2E:90    0     4      11    1297 /1296
> /local/domain/0/backend/vif/231/0
>
> # xenstore-ls /local/domain/0/backend/vif/231/0
> (selected output only)
> bridge = "br6"
> domain = "ubuntu-test"
> handle = "0"
> frontend = "/local/domain/231/device/vif/0"
> vifname = "u-test-eth0"
>
>   
Good, tip, I didnt know how to match the vif from network-list.

Thanks.


-- 
Jorge Armando Medina
Computación Gráfica de México
Web: http://www.e-compugraf.com
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Email: jmedina@xxxxxxxxxxxxxxx
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Re: [Xen-users] How to know which interface DomU sees the Vif device