Multipoint GRE

[Jan Bramkamp]

On 17/04/15 05:02, Clint Armstrong wrote:
> Is it possible to create a point to multipoint GRE network on FreeBSD?
>
> On Linux I would do this by creating the GRE interface without a defined
> tunnel endpoint. Then by adding psudo-arp entries which map addresses on
> the GRE subnet with a tunnel endpoint address I can have multiple GRE
> tunnel destinations.
>
> Based on my testing so far, it looks like GRE on FreeBSD requires a single
> tunnel endpoint address. Is there any way around this?
>
I ran into the same limitation some time ago. On FreeBSD you need one 
GRE pseudo-interface per endpoint. The FreeBSD Kernel does not include  
GRE support.