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09/20/2007 at 04:37AM PDT, ID: 22840997
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7.2

QOS for voice traffic

Asked by stamperb in Network Routers, Voice Over IP

Tags: dscp

OK I had a question posted similar to this before and I thought I had what I needed but maybe not.  So here is what I have:
Site1
1 -  3560
1 - 4507R
1 - 3845
 
Site2
1 -  3560
1 - 2811

At Site 1 the 3560 port Gi 0/1 plugs into the 4507R on Gi 7/46.  The 3845 router Gi 0/0 plugs into the 4507R on port Gi 3/1.  Site two is basically the same the 3560 port Fa 0/48 plugs into the 2811 on port Gi 0/1.
Now at both sites I'll have IP phones plugged into the 3560's.  On the ports where I will have the IP phones plugged in I've done the following:
auto qos voip trust
mls qos trust device cisco-phone (these phones are nortel but I was told this would probably work fine)

Now at site 1 on port Gi 0/1 of the 3560, ports Gi 7/46 and Gi 3/1 of the 4507R i've done the following.
auto qos voip trust

Now on the routers at each side I have the following:
class-map match-all control
 match access-group 151
class-map match-all voice
 match access-group 150
!
!
policy-map voip
 class voice
  priority 1024
 class control
  bandwidth 50
 class class-default
  fair-queue
  random-detect dscp-based
And then on the serial interface I have:
service policy output voip

Now as i troubleshoot:
Show policy-map voice - looks fine
show policy-map interface serial 1/0 - I see that everything appears to be falling into the class default.  Nothing is showing under the voip.  

Is there a way to troubleshoot on each device to make sure things are getting marked properly and or what am i missing here.

[+][-]09/20/07 06:38 AM, ID: 19928163

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[+][-]09/20/07 10:44 AM, ID: 19930086

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[+][-]09/20/07 06:44 PM, ID: 19932903

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[+][-]09/21/07 04:36 AM, ID: 19934663

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[+][-]09/21/07 07:11 AM, ID: 19935708

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About this solution

Zones: Network Routers, Voice Over IP
Tags: dscp
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Solution Provided By: tvman_od
Participating Experts: 1
Solution Grade: A
 
 
[+][-]09/21/07 08:56 AM, ID: 19936668

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[+][-]09/21/07 10:58 AM, ID: 19937687

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