As you've read in the QoS SRND, you use 8byte overhead for the FRF.12. Further, somewhere I read that +5 - 10% bandwidth over-provisioning is okay.
So, you can use a bandwidth equal to 48k, for four concurrent calls, for example. HTH On Fri, Jun 28, 2013 at 5:55 AM, Kapuria, Aman < aman.kapu...@team.telstra.com> wrote: > Anyone?**** > > ** ** > > *Aman ***** > > ** ** > > *From:* Kapuria, Aman > *Sent:* Wednesday, 26 June 2013 3:31 PM > *To:* ccie_voice@onlinestudylist.com > *Subject:* L2 overhead for QoS**** > > ** ** > > Hi All,**** > > ** ** > > What L2 overhead do you use for frf.12 and MLP when you calculate number > of calls over a link? Different providers have different approach around > this. QoS SRND says “Frame Relay adds 4 bytes of Layer 2 overhead; Frame > Relay with FRF.12 adds 8 bytes.” With frf.12 voice packets don’t get > fragmented, so do you use 4 bytes for your calculation or 12 or some other > number? For those who have done this in lab and got 100% for QoS, can they > please advise what value they used?**** > > Thanks in advance**** > > Aman**** > > ** ** > > ** ** > > ** ** > > ** ** > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > -- Suresh Bhandari
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
