The QoS policy is applied to he WAN facing interface:
ip address x.x.x.x 255.255.255.248
ip nat outside
ip flow ingress
service-policy output pm-shape-queue-out
this policy is applied to a ten gig interface to limit the traffic to 3 gig. The customer is not actually marking anything except PREC 5, but this is a standard qos policy by SP. The policy allows 3 gig until windows update server starts sending data on the link. After it starts the link doesnt allow more than 2.2 Gig traffic flow. The ping latency on the link increases from 10ms to 116ms. Can someone assist what looks wrong with this policy?