[Users] Network configuration

[Dan Yasny]

----- Original Message -----
> From: "Shu Ming" <shuming at linux.vnet.ibm.com>
> To: "Dan Yasny" <dyasny at redhat.com>
> Cc: "Andrew James Dunlop" <andrew at dunlop.me.uk>, users at ovirt.org
> Sent: Sunday, 4 March, 2012 4:42:39 PM
> Subject: Re: [Users] Network configuration
> 
> On 2012-3-3 17:47, Dan Yasny wrote:
> >
> > ----- Original Message -----
> >> From: "Andrew James Dunlop"<andrew at dunlop.me.uk>
> >> To: users at ovirt.org
> >> Sent: Monday, 6 February, 2012 11:45:20 PM
> >> Subject: [Users] Network configuration
> >>
> >>
> >> I feel like I have been bombarding this list the last few days,
> >> sorry!
> >> I have been looking at the different possible network
> >> configurations
> >> shown at http://www.ovirt.org/wiki/Vdsm_Network and trying to work
> >> out how to achieve the second topology ( bridge over vlan over nic
> >> ). I can see that it is possible to assign a logical network to a
> >> physical network on a node but how can you add more than one as
> >> this
> >> is a dropdown menu? My nodes have two NICs, one of these is for
> >> the
> >> management network but I could like to have a number of logical
> >> networks (with different VLAN tags) connected to the other NIC.
> >> Is this currently possible using the web UI?
> > Very simple
> > 1. create your logical networks with vlan tags in the data centre
> > 2. assign those networks to the relevant cluster
> >
> > Now, assuming we are going to assign network X with tag 100 and
> > network Y with tag 200 to eth0 on a host:
> > Edit eth0 on the host - assign network X to it
> > see how eth0.100 gets created and the X network attached ot that
> > tagged interface
> > Edit eth0 again, assign network Y
> > see how eth0.200 gets created and Y is attached
> >
> > repead for additional tagged networks
> 
> Yes, we can do these manually if we are the master of the system
> administrator.  

This is the administrator's job to configure hypervisor hosts.

> But I think we should provide a UI to the user and VDSM
> management API in the backend.  

Simple users changing Host networking? I think it's not a good idea. 

> Also, it is a quite a challenge to
> assign the VMs in different host to the same vlan.

Maybe you wasn't clear enough. The settings I mentioned are talking about configuring __hosts__, not VMs.

All the hosts in a cluster must have configurations to see all the logical networks assigned to that cluster. This way, a VM that uses a specific network can easily migrate between hosts without losing networking


> 
> >
> >
> >> _______________________________________________
> >> Users mailing list
> >> Users at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/users
> >>
> 
> 
> --
> Shu Ming<shuming at linux.vnet.ibm.com>
> IBM China Systems and Technology Laboratory
> 
> 
> 

-- 



Regards, 

Dan Yasny 
Red Hat Israel 
+972 9769 2280