QoS on a Cisco 877 to give port 80, 110, and 25 priority


I have a Cisco 877 and would like to give all WAN traffic going through port 80, 110, and 25 priority.

I need some advice on what type of QoS to apply and maybe some tips on how to apply it.



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Peter Danes
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Using the MQC:

Router(config)#class-map HIGHPRIORITY match http match pop3 match smtp policy-map HIGHPRIORITY_POLICY class HIGHPRIORITY bandwidth X

X = the total % or in kbs of the bandwidth you want to allow for your traffic.

then, just go under the WAN interface and do:

Router(config-if)#service-policy output HIGHPRIORITY_POLICY

That should take care of it. That will give priority to traffic going outbound on your WAN interface. If you have services hosted within your network, then you would change that to inbound.


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u can try this

!match traffic access-list 101 permit tcp any any eq 110 access-list 101 permit tcp any any eq 25 access-list 101 permit tcp any any eq 80

!classify class-map match-any high-priority-class match access-group 101

!mark policy-map high-priority-policy class high-priority-class set ip dscp af31

!apply to interface interface faxx service-policy output high-priority-policy

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