[ovs-discuss] Tag lost after network restart

Gurucharan Shetty shettyg at nicira.com
Fri Nov 13 03:33:29 UTC 2015

If you are connecting your VM interfaces to this bridge, I suggest
that you don't create this bridge via ifcfg script. Rather create the
bridge itself via ovs-vsctl.

Another strategy *could* be to create a separate bridge for your vms
and connect the 2 bridges via  patch port.

On Thu, Nov 12, 2015 at 7:09 PM, Tashi Lu <dotslash.lu at gmail.com> wrote:
> Shetty,
> Many thanks for your help even when you're busy.
> The port with tag is the internal port, so yes.
> Is the loss of the virtual ports, which I created with ovs-ctl, the same
> reason as the vlan tag's? I can easily add a line to ifcfg-ovsbr0 to
> configure the vlan tag for the internal port, but if I have to create a
> ifcfg script for each virtual port for vm to make them persistent, that's
> very unmanageable. We have 7 vms, each with 4 virtual NICs, which means I
> have to create 28+ ifcfg scripts.
> I thought ovs-db could store those states and restore them after a reboot.
> If that's not possible now, we can make it, that will make op's life easier.

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