[CentOS-virt] IP based VirtualHost: IP aliases vs. additional virtual interfaces

Jerry Franz jfranz at freerun.com
Tue Aug 10 10:33:12 EDT 2010

On 08/10/2010 07:12 AM, Mathieu Baudier wrote:
>> You don't have to restart the guest to add or remove aliases:
> yes I am aware of that, and that's why I'm wondering whether it is
> better to use aliases rather than to add virtual interfaces (which
> does require to restart guests with our KVM version, no hot-plug I
> think).

You said it backwards originally. You said that aliases required 
restarts. ;)

> But is there any drawback with using aliases?
> Or does using virtual interfaces provide additional performance/stability/... ?

I've never had issues with aliases. They 'just work'. I use hundreds of 

Benjamin Franz

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