[CentOS-virt] proper bridging technoque

Fri Nov 22 23:49:40 UTC 2013
Digimer <lists at alteeve.ca>

On 22/11/13 17:11, aurfalien wrote:
> Sorry guys, I've tried and tried, no dice.
> 
> Seems like I am missing missing a vent1, vnet2, etc... to br0 association.
> 
> I can see were the vnet# gets created upon VM startup.
> 
> And based on how my VM xml file is set, will go to either br0, br1. br2, etc...
> 
> But in my case, the only interface that works is vnet0 for all my VMs.
> 
> In the CentOS virtual machine manager for whatever NIC you choose, there is a drop down option for virtual network interface.
> 
> For source device, I only ever see a vnet0 to br0.  For my other bridges, there is only eth# to vnet#.
> 
> The configs for this are rather simple and I don't know were else to look;
> 
> various /etc/sysconfig/network* files
> 
> and the VM xml config.
> 
> Everythings is set to the same MTU wether standard or jumbo, but no matter what, my VMs network interfaces work when set to vnet0 as its connected to br0.
> 
> I cannot get br6 to show with vnet2 for example.  Not even my vnet1 is connected to br1 but rather br0.
> 
> However in the UI as mentioned before, i do not see a vnet1 to br1 relationship.
> 
> Are there any other config files I can look at?
> 
> - aurf 

Why do you have so many bridges? In almost all cases, only one bridge is
needed. The bridge should connect to a real interface to get to the
outside world. Then all VMs should point to that bridge.

I think you might be over-complicating things.


-- 
Digimer
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