VoIP qos on 6509 uplink ports from 3750 using auto qos voip trust

Unanswered Question
Feb 15th, 2008
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I have 3750 switch ports configured with auto qos voip trust command to support voip.


The 3750 have vlan trunks connecting them to a 6509 - I need to correcty configure the 6509 Q0S to match the auto qos voip trust feature in the 3750.


Is there a best practice document for that - or what should the 6509 config look like.


Sample port configs are below



3750 User Port


interface FastEthernet1/0/2

switchport access vlan 78

switchport mode access

switchport voice vlan 178

srr-queue bandwidth share 10 10 60 20

srr-queue bandwidth shape 10 0 0 0

mls qos trust cos

auto qos voip trust

spanning-tree portfast



3750 Uplink Port


interface GigabitEthernet1/0/3

switchport trunk encapsulation dot1q

switchport trunk pruning vlan none

switchport mode trunk

srr-queue bandwidth share 10 10 60 20

srr-queue bandwidth shape 10 0 0 0

queue-set 2

mls qos trust cos

auto qos voip trust





6509 termination of Uplink Port

!

interface GigabitEthernet2/4

description Port 2-4 MM Fiber to King_Building 12th Floor

switchport

switchport trunk encapsulation dot1q

switchport mode trunk

no ip address

mls qos trust cos

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