Re: Can I have more than 1 bridge attached to a KVM

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Thanks,

This is what I'm getting,

ERROR    Unknown argument 'bridge:br0'

-This is the command,

virt-install -n $machinename -r $memory --vcpus=$cpus --os-variant=rhel6 --accelerate -v -w --network bridge:br0 --network bridge:br1 --disk path=/home/vm/$machinename.img,size=100 -l http://172.21.110.213/6.3/ --nographics -x "ks=http://172.21.110.213/KS/$machinename-ks.cfg ksdevice=eth0 ip=172.21.110.248 netmask=255.255.255.0 dns=172.21.110.2 gateway=172.21.110.1 console=ttyS0" 

-The following is working,

virt-install -n $machinename -r $memory --vcpus=$cpus --os-variant=rhel6 --accelerate -v -w bridge:br0  --disk path=/home/vm/$machinename.img,size=100 -l http://172.21.110.213/6.3/ --nographics -x "ks=http://172.21.110.213/KS/$machinename-ks.cfg ksdevice=eth0 ip=172.21.110.248 netmask=255.255.255.0 dns=172.21.110.2 gateway=172.21.110.1 console=ttyS0"

-What am I doing wrong?

Thanks so much,

Meir

-----Original Message-----
From: centos-virt-bounces@xxxxxxxxxx [mailto:centos-virt-bounces@xxxxxxxxxx] On Behalf Of Ilya Ponetayev
Sent: Tuesday, April 02, 2013 4:20 PM
To: Discussion about the virtualization on CentOS
Subject: Re:  Can I have more than 1 bridge attached to a KVM

As far as I know the only way to directly assign real NICs into VM without bridging is to use PCI passthrough, though this way imposes several limitations, mostly in IOMMU / VT-d hardware support.

But if bridging is acceptable then you can repeat --network bridge:<hypervisor_bridge_nic> option in virt-install command line several times to create as many NICs inside VM as you want.


02.04.2013 14:05, Meir Hazon пишет:
> Thanks.  The bridges are preconfigured at the box.  No issues there.
>  Can I assign  a second physical NiC as a second interface at the KVM?
> Can I do it at the installation time using virt-install? Can I do it 
> by editing a file after the KVM is created? I would like to automate things.
> Thank you
> 
> Sent from my iPhone
> 
> On Apr 2, 2013, at 11:36 AM, "Ilya Ponetayev" <instenet@xxxxxxxxx 
> <mailto:instenet@xxxxxxxxx>> wrote:
> 
>> You can try to assign each bridge to its own individual virtual NIC 
>> in VM, at least it works with virt-manager + libvirt + qemu-kvm with 
>> preconfigured bridges.
>>
>> 02.04.2013 11:41 пользователь "Meir Hazon" <meir@xxxxxxxxxx 
>> <mailto:meir@xxxxxxxxxx>> написал:
>> >
>> > Hello Everybody,
>> >
>> >  
>> >
>> > I have a physical machine with 4 Ethernet cards that I have mapped
>> to 4 bridges.
>> >
>> >  
>> >
>> > I would like to have each of my KVMs use 2 bridges for NIC bonding.
>> >
>> >  
>> >
>> > 1.       Can I have more than one bridge assign to one KVM?
>> >
>> > 2.       Can I use virt-install to assign a KVM with more than one
>> bridge during the KVM installation?
>> >
>> > a.       It was a long shot but I have tried bridge=br0,br1 ;
>>  bridge=br0 bridge=br1 - never worked:..
>> >
>> >  
>> >
>> > Thanks so much,
>> >
>> >  
>> >
>> > Meir
>> >
>> >  
>> >
>> >
>> > _______________________________________________
>> > CentOS-virt mailing list
>> > CentOS-virt@xxxxxxxxxx <mailto:CentOS-virt@xxxxxxxxxx> 
>> > http://lists.centos.org/mailman/listinfo/centos-virt
>> >
>>
>> _______________________________________________
>> CentOS-virt mailing list
>> CentOS-virt@xxxxxxxxxx <mailto:CentOS-virt@xxxxxxxxxx> 
>> http://lists.centos.org/mailman/listinfo/centos-virt
> 
> 
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> http://lists.centos.org/mailman/listinfo/centos-virt
> 


-- 

Sincerely yours, Ilya Ponetayev <instenet@xxxxxxxxx>


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