[PVE-User] Open vSwitch with multiple VLANs

Sten Aus sten.aus at eenet.ee
Fri Jan 23 20:31:31 CET 2015


Thanks for your explanations!

Now I am getting the idea of ovs more and hopefully can configure it the 
right way! :)

All the best!

On 23.01.15 20:41, Michael Rasmussen wrote:
> On Fri, 23 Jan 2015 14:47:30 +0200
> Sten Aus <sten.aus at eenet.ee> wrote:
>
>> So, all vmbrs (vmbr10, vmbr20, vmbr30, vmbr40 and vmbr50) are connected to VLANs on Proxmox host and are being used in VMs and as far as I know, I can't connect one physical Proxmox host port (eth0) to multiple ovs bridges.
>> That means I can't leave my VMs configuration like that, is that right?
>>
> The hole idea behind OpenVswitch (OVS) is to emulate a psychical switch
> so that a OVS can have multiple ports each with either vlan tags or not,
> different MTU, access port or trunk port (like a switch fabric in
> hardware). Therefore when using OVS you normally only have 1 switch and
> the you configure each port according to your needs.
>
> With Linux Bridges this is different because the configuration is
> applied to the bridge itself. This means that any vNIC attached the
> bridge share the same configuration so to be able to support several
> configurations you need to create a bridge for each desired
> configuration.
>
> Generally speaking you can compare a OVS to a managed switch while a
> Linux Bridge can be compared to an unmanaged switch.
>
>
>
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