Ok given that that's the reason,  why is it not included in previous examples ?

 

For example, I have seen this example given lots of times....

 

Ip/udp/rtp 2 bytes /packet

 

From: linuxboss.9 [mailto:linuxbos...@gmail.com] 
Sent: Monday, October 04, 2010 9:53 AM
To: Leslie Meade
Cc: ccie_voice@onlinestudylist.com
Subject: Re: [OSL | CCIE_Voice] lab 6 QOS question

 

RTP + UDP headers = 40 bytes

On Mon, Oct 4, 2010 at 9:50 AM, Leslie Meade <lme...@signal.ca> wrote:

I have been looking at the WAN FRF.12 configs and I do not understand something.

 

In all the examples the following has been advised.

 

FRF.12 ( average values)

                Layer 2 7 bytes

                Layer 3 2 bytes

                Media   20 bytes

                

29 * .008 * 50 =  11.6 

 

Why in this lab it is different

 

FRF.12 

                Layer 2 8 bytes

                Layer 3 40 bytes  à ?? 

                Media   20 bytes

68* .008 * 50 = 27.2

 

I might be missing something but, I do not fully understand where the 40 bytes 
come into play.

 


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