Re: [ovirt-users] mixing tagged and untagged vlans on a same interface

2015-02-16 Thread Nathanaël Blanchet
Thank you for the explanation. Le 16/02/2015 09:06, Lior Vernia a écrit : What Martin said is correct, let me just add that originally this limitation was put in place because in older kernels the bridge for the untagged network could see tagged traffic over the same physical interface, which

Re: [ovirt-users] mixing tagged and untagged vlans on a same interface

2015-02-16 Thread Lior Vernia
What Martin said is correct, let me just add that originally this limitation was put in place because in older kernels the bridge for the untagged network could see tagged traffic over the same physical interface, which was a security loophole (as a VM using the untagged bridge could sniff all the

[ovirt-users] mixing tagged and untagged vlans on a same interface

2015-02-13 Thread Nathanaël Blanchet
Hi all, On a standalone libvirt/KVM, I've been used to mix tagged and untagged vlans on the same interface, the untagged vlan dedicated to the physical interface em1 and the other tagged ones to VLAN em1.X. I've just installed a new datacenter with an untagged ovirtmgmt and then realized that

Re: [ovirt-users] mixing tagged and untagged vlans on a same interface

2015-02-13 Thread Martin Pavlík
Hi, it is possible to achieve the state you describe. You just can’t have ovirtmgmt as VM network in such case. You need to set ovirtmgmt as nonVM [1] (aka bridgeless network), then you can put it on one interface with VLANs. Be aware that you can put on one interface only one bridges network