[c-nsp] QOS advice

[Mihai Tanasescu]

Oliver Boehmer (oboehmer) wrote:

>>What would be the best solution regarding resource
>>utilization on C2950, C3550, C4500 for some sort of QOS to be
>>    
>>
>implemented ?
>  
>
>>I'm quite afraid that in case the traffic on the C3550 gbit
>>links will go beyond the present 100Mbps, some packet loss might
>>    
>>
>appear
>  
>
>>due to the CPU utilization for QOS assurance on those links.
>>Unfortunately I have no lab yet to test the setup and see how it goes.
>>    
>>
>
>The platforms you mentioned do QoS in hardware, so no need to worry
>about higher CPU utilization. 
>Take a look at the "Enterprise QoS Solution Reference Network Design
>Guide Version 3.3" linked off www.cisco.com/go/srnd, its QoS Design
>chapter covers all the platforms you're interested in. I guess a QoS
>policy for your case can be as simple as putting all the voice traffic
>into a low-latency queue (priority queue). 
>
>	oli
>  
>
Thanks for your suggestion.

I'm going to start reading that.


--
Mihai