One of my customers is connected to my backbone by use of two 828 devices having a line of 1 Mbps in between. My backbone is running Mpls and I am trying to apply QoS for voice on these 828's. I tried priority queueing. Though the configuration looks working, whenever the traffic exceeds 700 - 800 kbps, the quality of voice degrades seriously.
My config is like: (similar on both sides)
class-map match-any voice_priority
match access-group 110
interface ATM0.1 point-to-point
ip address 172.16.0.137 255.255.255.252
no snmp trap link-status
service-policy output voice
access-list 110 permit ip any host 89.*.*.200
access-list 110 permit ip any host 89.*.*.202
Can you advice any other solution? Could rsvp be used?
I appreciate any help.