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Auto-QOS Catalyst 4500

Hi,

Can anyone tell me if it is better to use the auto qos on catalyst 4510R+E Sup7

thanks in advance

auto qos voip trust

SW-2960-POE <-------- Gi9/1 - Catalyst 4500  - Gi9/6 ---> BABX

interface GigabitEthernet9/1
 switchport trunk native vlan 100
 switchport mode trunk
 auto qos voip trust
 service-policy input AutoQos-VoIP-Input-Cos-Policy
 service-policy output AutoQos-VoIP-Output-Policy

interface GigabitEthernet9/6
 switchport access vlan 110
 switchport mode access
 logging event trunk-status
 auto qos voip trust
 service-policy input AutoQos-VoIP-Input-Cos-Policy
 service-policy output AutoQos-VoIP-Output-Policy

policy-map AutoQos-VoIP-Output-Policy

class AutoQos-VoIP-Bearer-QosGroup

   set dscp ef

   set cos 5

   priority

   police cir percent 33

class AutoQos-VoIP-Control-QosGroup26

   set dscp af31

   set cos 3

   bandwidth remaining percent 5

class AutoQos-VoIP-Control-QosGroup24

   set dscp cs3

   set cos 3

   bandwidth remaining percent 5

class class-default

dbl

Policy-map AutoQos-VoIP-Input-Cos-Policy
 class AutoQos-VoIP-Bearer-Cos
   set qos-group 46
 class AutoQos-VoIP-Control-Cos
   set qos-group 24
policy-map AutoQos-VoIP-Input-Dscp-Policy
 class AutoQos-VoIP-Bearer-Dscp
   set qos-group 46
 class AutoQos-VoIP-Control-Dscp26
   set qos-group 26
 class AutoQos-VoIP-Control-Dscp24
   set qos-group 24

class-map match-all AutoQos-VoIP-Control-Dscp26

match dscp af31

class-map match-all AutoQos-VoIP-Control-Dscp24

match dscp cs3

class-map match-all AutoQos-VoIP-Bearer-Cos

match cos 5

class-map match-all AutoQos-VoIP-Bearer-QosGroup

match qos-group 46

class-map match-all AutoQos-VoIP-Bearer-Dscp

match dscp ef

class AutoQos-VoIP-Control-QosGroup24

   set dscp cs3

   set cos 3

class-map match-all AutoQos-VoIP-Bearer-QosGroup

match qos-group 46

class-map match-all AutoQos-VoIP-Bearer-Dscp

match dscp ef

1 Reply 1

Rajeshkumar Gatti
Cisco Employee
Cisco Employee

Autoqos is a macro based config which will build the config for you. If the configs match up with the Qos designs you have in place then certainly it can be used to make deployments easier.

-Raj

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