QOS to a GRE packets

Answered Question
Mar 30th, 2009

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

I have this problem too.
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Correct Answer by Collin Clark about 7 years 8 months ago

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

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Collin Clark Mon, 03/30/2009 - 14:06

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 Mon, 03/30/2009 - 14:16

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 ?

Correct Answer
Collin Clark Mon, 03/30/2009 - 14:20

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

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