[cisco-voip] QoS and Link Size

Ted Nugent tednugent69 at yahoo.com
Wed Aug 30 11:39:46 EDT 2006


LFI and compression is not needed on larger pipes but
LLQ is still required with the same rules.

High-speed links (such as multiple T1/E1 or above
speeds) allow for the provisioning of Voice,
Interactive-Video, and multiple classes of data,
according to the design rules presented in this
chapter
(for example, 25 percent for Best Effort class and <
33 percent for all LLQs).

--- Stuart <freeabdn at yahoo.com> wrote:

> I have never set-up VoIP on any link above 2Mb. I
> have found that even on a 2Mb link with about 5%
> utilization, before VoIP was added, without a LLQ to
> hold all the VoIP your voice quality will be poor.
>    
>   But what happens when you get above 2Mb. You don't
> need cRTP but what about LLQ and LFI. Say you have
> an OC3 with 10% utilization before voice and you add
> in an an extra 20% VoIP on top. Will the voice not
> suffer with out some form of prioritization ? 
>    
>   Regards Steve
> 
>  		
> ---------------------------------
> Yahoo! Messenger with Voice. Make PC-to-Phone Calls
> to the US (and 30+ countries) for 2¢/min or less.>
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