1.The above policy-map should be good for routers
2.Policy map does not give option of priority instead policy map actions on Catalyst 3550 can include trusting the CoS, DSCP, or IP precedence values in the traffic class; setting a specific CoS, DSCP, or IP precedence value in the traffic class; and specifying the traffic bandwidth limitations for each matched traffic class (policer) and the action to take (marking) when the traffic is out of profile.
3.WRR is a mechanism that is used in output scheduling on the 3550. WRR works between three or four queues (if there is no strict priority queue). The queues that are used in the WRR are emptied in a round-robin fashion, and you can configure the weight for each queue.
4.Gigabit capable ports has egress expedite queue facility using "priority-queue out" command instead of "priority"
So on typical router WRR or SRR is not available
Catalyst 3550 supports WRR
Catalyst 3760 supports SRR
Catalyst 3750 supports SRR
Catalyst 6500 supprts WRR & SRR
For more information WRR on Catalyst 3550 refer below link
http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_12c_ea1/configuration/guide/swqos.html#wp1127487
HTH..rate if helpful..
