Limiting Bandwidth on a 6509 switchport.

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Dec 9th, 2008
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We have a user that is gaming, is there a way to rate limit bandwidt to the switchport that is workstation is conncected.

interface FastEthernet7/5

description D40A

no ip address


switchport access vlan 74

switchport mode access

spanning-tree portfast

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oszamora Tue, 12/09/2008 - 17:48
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You would need to know exactly the ports that the game uses so you can match them in a class map and then do policing. Here is an example using the class default which includes all traffic since there is not another class

policy-map BW

class class-default

police 2000000 62500 62500 conform-action transmit exceed-action drop

int fa 7/5

service-policy input BW

the policing is set to 2 Mb in this example.

So if you find out the ports the game uses we can permit them in an ACL, then match them in the class map and finally do policing.

oszamora Tue, 12/09/2008 - 17:50
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By the way, you could configure SPAN to monitor the port when the user is gaming and discover the ports the game uses

oszamora Tue, 12/09/2008 - 17:55
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Instead of policing we can use the option "drop" in the policy map so the game traffic will be droped in the interface. But definitely we need to know the ports the game uses.


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