Very informative @Joseph W. Doherty , thanks for that. I have been looking over some Cisco docs and an example is shown below - policy-map grand-parent class class-default shape average 10 mbps service-policy parent policy-map parent class p1 service-policy child police rate 10 mbps bandwidth remaining ratio 1 class p2 service-policy child police rate 10 mbps bandwidth remaining ratio 1 class p3 police rate 10 mbps service-policy child bandwidth remaining ratio 1 class class-default policy-map child class c1 police rate 2 mbps class c2 police rate 5 mbps class class-default police rate 10 mbps Am I right in saying that there is an Overall Grand Parent Shaper of 10Mbps and is applied overall to outbound traffic Would the top level policy section (grand parent) be representative of your comment - "If its possible there's a congestion point less than the aggregate of all the remote sites, then you want a 3 level hierarchical policy" The Grandparent shaper would be configured to match the slowest link on the path to the WAN Router (if this is lower than all the sites combined BW)? The child policy in my example above, is this what would be used to shape to each specific sites BW? What does the Bandwidth remaining ratio 1 do in this case?
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