From: Carlson, James (james.m.carlson@mci.com)
Date: Tue Apr 15 2003 - 12:13:41 GMT-3
All,
Ok stupid question of the day. Lets say an ISP states that it does
not support QoS yet your network is Diffserv compliant. If you set the DSCP
field in your network and influence the Egress router's handling of that
packet, can you expect the same DSCP field on the Ingress to the router at
the other end of the ISP's connection with my branch.
Core Network --- |ISP| -- Branch office
If DSCP is 46 Will it be 46 here.
I used to think that IPSec and GRE would help out but unless qos
pre-classify was used. But it turns out that the DSCP field is moved to the
re-packaged IP header regardless.
Any BB engineers out there have some insight???
Thanks,
Jamie
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