I think it is possible to have the GRE tunnel packets have the same IP
precedence (or DSCP) as the encapsulated packets. I happened to run into a
document that talked about this for VPNs that are built on GRE tunnels.
Check this out:
http://www.cisco.com/warp/public/cc/pd/iosw/iore/iomjre12/prodlit/816_pb.htm
Search for GRE Precedence in that document. It might do what you're talking
about.
I think there are some other documents that discuss this also if you search
at Cisco's site for IP Precedence or DSCP.
Priscilla
At 01:54 PM 9/8/01, Chris Read wrote:
>Is it possible to cause the IP precedence of a GRE packet to be the same as
>the IP precedence of the packet which it encapsulates?
>
>I have a client who is passing real-time as well as normal data over a 3DES
>encrypted tunnel. I have had to resort to using separate
>tunnels for the two data streams, but I consider this to be a sub-optimal
>solution.
>
>For reference, I am using a 2621 at one end and a 3640 at the other with
>12.1.5 images.
>
>This is a real world problem for me. Would this kind of thing possibly come
>up on the CCIE R/S exams?
>
>Chris Read
________________________
Priscilla Oppenheimer
http://www.priscilla.com
Message Posted at:
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