These are the commands that I used to configure QoS on your IPSec Tunnel:
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no crypto map mymap interface outside
no crypto isakmp enable outside
clear cry isa sa
clear cry ips sa
clear cry ips sa coun
class-map L2L01-Voice
description "This class-map matches all dscp ef traffic for tunnel-grp 134.71.2.1"
match dscp ef
match tunnel-group 134.71.2.1
exit
class-map L2L01-BestEffort
description "This class-map matches all best-effort traffic for tunnel-grp 134.71.2.1"
match tunnel-group 134.71.2.1
match flow ip destination-address
exit
policy-map qos
class L2L01-Voice
priority
exit
class L2L01-BestEffort
police output 200000 37500
class class-default
police output 1000000 37500
exit
exit
priority-queue outside
queue-limit 2048
exit
service-policy qos interface outside
crypto map mymap interface outside
crypto isakmp enable outside