On Fri, Feb 09, 2018 at 03:42:56PM +0100, Eelco Chaudron wrote:
> This patch will make sure VXLAN tunnels with and without the group
> based policy (GBP) option enabled can not coexist on the same
> destination UDP port.
> 
> In theory, VXLAN tunnel with and without GBP enables can be
> multiplexed on the same UDP port as long as different VNI's are
> used. However currently OVS does not support this, hence this patch to
> check for this condition.
> 
> v1->v2
>   Updated commit message as its now clear that the OVS  implementation
>   does not support VNI multiplexing on the same UDP port.
> 
> Signed-off-by: Eelco Chaudron <echau...@redhat.com>

Thanks for the update.

Doesn't this make tunnel configuration O(n**2) in the number of tunnels?
It looks like every tunnel checks at configuration time whether there is
another tunnel of the same kind.  I know of some configurations with
hundreds (thousands?) of tunnels.  Is there a way to make it cheaper?

Thanks,

Ben.
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