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Catalyst 6509  Configuration sample

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Thanks for dropping by again.  I have now added   this configuration sample as a follow up to  ‘ part one’ of this particular post.    This sample was applied a  Cisco 6509 switch stationed in a collapsed core. For clarity, I divided the configurations into three parts.

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Egress Queuing Configurations

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policy-map type lan-queuing Egress_1p3q8t
class cos_5
priority
class cos_6_&_7
bandwidth remaining percent 20
queue-buffers ratio 15
random-detect cos-based
random-detect cos 6 percent 98 100
random-detect cos 7 percent 98 100
class cos_2_3_&_4
bandwidth remaining percent 15
queue-buffers ratio 25
random-detect cos-based
random-detect cos 2 percent 80 90
random-detect cos 3 percent 90 100
random-detect cos 4 percent 90 100
class class-default
bandwidth remaining percent 35
queue-buffers ratio 40
random-detect cos-based
random-detect cos 0 percent 70 100
random-detect cos 1 percent 40 70

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Ingress Queuing Configurations

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policy-map type lan-queuing Ingress_2q8t
class cos_5
bandwidth percent 30
queue-buffers ratio 10
queue-limit cos 5 percent 100
class class-default
bandwidth percent 70
queue-buffers ratio 50
queue-limit cos 1 percent 65
queue-limit cos 2 percent 65
queue-limit cos 0 percent 75
queue-limit cos 4 percent 80
queue-limit cos 3 percent 90
queue-limit cos 6 percent 100
queue-limit cos 7 percent 100

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These Configurations were applied to every trunk port  to other switches and also to switch-ports connected to Unified Communications servers:

platform qos trust dscp

Service-policy type lan-queuing output Egress_1p3q8t

service-policy type lan-queuing input Ingress_2q8t

 

Hope you’ve found this useful.

Thanks for dropping by.  

 

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