QOS to a GRE packets

[p.diaz]

Hi.

could you somebody help me saying if it is possible to mark paquets of a GRE tunnuel in a router in the middle of the tunnel? Can use that mark latter when the traffic leaves the tunnel?. Thanks

[Collin Clark]

If you want to mark on the GRE header, you could do it anywhere along the way. If you want to mark the packet inside the GRE encapsulation, you'll have to do that before it is encapsulated. Once it gets un-encapsulated at the end of the tunnel, it will still hold the marking.

Hope that helps.

[p.diaz]

Thanks Collin.

Another doubt. It is possible to copy the external mark (GRE header) to the inside packet at the end of the tunnel automatically ?

[Collin Clark · Accepted solution]

That would be pretty cool, but as far as I know that's not possible (yet).