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Cisco QoS for Avaya for edge routers

Posted on 2008-06-20
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Last Modified: 2008-07-14
I have 2 branch offices that are having voice quality problems accross a MPLS network calling corporate, each office has a T1 going to our data center and i have a 10mb metro e coming in to my corporate headquarters from the data center. There is a 3845 at the Data center a 4510 at HQ and a 2801 at one office and a 1760 at the other office. I was just going to turn on auto QoS and let it do it's thing but the CoS for Avaya dosen't work with Auto QoS. It is a simple voice network no video or anything fancy. The LAN has no congestion. I need to know what configs i should put on my devices to get the voice quality better.
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Question by:worsnoptr
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class-map match-all VOIP-Control
  match access-group 101
class-map match-all VOIP-RTP
  match access-group 100


policy-map QOS-to-T1
  class VOIP-RTP
   priority 600
  class VOIP-Control
   bandwidth 200
  class class-default
   fair-queue


policy-map L3-to-L2-VOIP
  class VOIP-RTP
   set cos 5
  class VOIP-Control
   set cos 3

interface f0/0
 service-policy output L3-to-L2-VOIP


interface Serial0/0
 description MPLS T1
 ip unnumbered FastEthernet0/0.1
 service-policy output QOS-to-T1
 no cdp enable

access-list 100 permit ip any any precedence critical
access-list 100 permit ip any any dscp ef
access-list 101 permit tcp any any range 2000 2002
access-list 101 permit tcp any any eq 1720
access-list 101 permit tcp any any range 11000 11999
access-list 101 permit udp any any eq 2427
access-list 101 permit tcp any any eq 2428
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