Re: [Xen-users] using 4 lan cards how many bridges needed

[Tapas Mishra <mightydreams@xxxxxxxxx>]

I found one useful article which shows some thing about using multiple
lan cards on Xen
just go through it once I am also trying it.
http://www.debian-administration.org/articles/470

On Fri, Apr 9, 2010 at 7:22 PM, J. Roeleveld <joost@xxxxxxxxxxxx> wrote:
> On Friday 09 April 2010 13:05:55 Tapas Mishra wrote:
>> I have 4 LAN cards on Dell PowerEdge R710.Running Xen on it with 4 VMs.
>>
>>  I can do an SSH to Dom0 and do a ping from there to DomU's and get a
>>  reply. I want to use these  4 lan cards 1 for each machine.How many
>>  bridges do I need? What do I need to configure ?
>>
>> Can some one send their sample configuration files like bridges etc
>> that I should read as example?
>>
>
> In my xend-config.sxp:
> ...
> (network-script 'network-bridge netdev=dummy0 bridge=dmz2br')
> ....
>
> I only have one bridge configured in that file, not sure how to get multiple
> bridges done there.
> The other bridges are created in a seperate init-script:
> --
> brctl addbr dmz1br
> brctl addbr lanbr
> brctl addbr netbr
>
> ifconfig dmz1br up
> ifconfig lanbr up
> ifconfig netbr up
>
> ifconfig net up
> ifconfig lan up
>
> brctl addif netbr net
> brctl addif lanbr lan
> --
>
> Please note, I rename my Network interfaces to specify which they are.
> Bridges end with "br".
>
> "net" and "lan" are physical interfaces.
> "dummy0" is only internal, and linked to the "dmz2" network.
>
> I have 4 seperate network in this machine, to seperate the different machines,
> originally, all the VMs were originally physical machines that I moved onto a
> single machine, but kept the original seperation and network-layout.
>
> In the domU-configurations, I specify which bridge to link the network-
> device(s) to.
>
> HTH,
>
> Joost Roeleveld
>
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>



-- 
Tapas

+91 8971248477

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