So, a default g729 call is: (20bytes payload + 40bytes header * 8bits) * 50pps = 2400 or *24K* So, if cRTP is used for a default g729 call, what would be the calculation?
Thanks. On Fri, Feb 15, 2008 at 3:56 AM, Vik Malhi <[EMAIL PROTECTED]> wrote: > You can look at a table on page 33 of the QOS SRND for this information. > > > Vik Malhi > CCIE Voice Instructor / Developer - IPexpert, Inc. > CCIE Voice #13890 CCSI #31584 > URL: http://www.IPexpert.com <http://www.ipexpert.com/> > Toll Free: +1.866.225.8064 > International: +1.810.326.1444 > > > ------------------------------ > *From:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *On Behalf Of *jason sung > *Sent:* Thursday, February 14, 2008 9:47 AM > *To:* boonchin .ng > *Cc:* CCIE Maillist > > *Subject:* Re: [OSL | CCIE_Voice] QoS question > > G729 on frame-relay with FR.12 is not 24K it is 28K > > so your 5 g729 calls will be > > 5 x 28 = 140 > > > > > > > On Thu, Feb 14, 2008 at 11:36 AM, boonchin .ng <[EMAIL PROTECTED]> > wrote: > > > Hi Jason, > > Thanks for the explanation. > > > > So, I would like to understand another scenario. > > > > Similarly, I have a 384K frame-relay WAN link, so I have: > > ! > > map-class frame-relay FRTS-384 > > frame-relay cir 364800 > > frame-relay bc 3648 > > frame-ralay be 0 > > frame-relay mincir 364800 > > frame-relay fragment 480 > > ! > > > > Now, for LLQ I want to configure to only prioritized 5 g729 calls: > > ! > > policy-map LLQ > > class media > > priority x > > class control > > bandwidth 16 > > class class-default > > fair-queue > > ! > > > > So, the x value is 5 g729 calls. How can I calculate the x value? Based > > on CCM bandwidth for a g729? x = 5 x 24 > > > > Please kindly advice. > > > > Thanks. > > > > > > ---------- Forwarded message ---------- > > From: jason sung <[EMAIL PROTECTED]> > > Date: Thu, Feb 14, 2008 at 11:26 PM > > Subject: Re: [OSL | CCIE_Voice] QoS question > > To: "boonchin .ng" <[EMAIL PROTECTED]> > > Cc: CCIE Maillist <ccie_voice@onlinestudylist.com> > > > > > > When you have minCIR configured the LLQ picks 33% of that. > > > > If you do not have minCIR configured than the CIR divided by two is used > > in the calculation. > > > > > > > > In your example, since you have mincir configured. > > Priority bandwidth will be 364800 * .33 = about 120K > > LLQ will allow you to configure 75% of the total bandwidth. > > if you want to alter this, use the command > > max-reserved bandwidth xxx > > > > -Jason > > > > On Thu, Feb 14, 2008 at 5:45 AM, boonchin .ng <[EMAIL PROTECTED]> > > wrote: > > > > > Hi, > > > > > > I have a 384K frame-relay link. Hence, I have: > > > > > > ! > > > map-class frame-relay FRTS-384 > > > frame-relay cir 364800 > > > frame-relay bc 3648 > > > frame-ralay be 0 > > > frame-relay mincir 364800 > > > frame-relay fragment 480 > > > ! > > > > > > Now, I want to do LLQ on voice, so: > > > > > > ! > > > policy-map LLQ > > > class media > > > priority percent 33 > > > class control > > > bandwidth percent 5 > > > class class-default > > > fair-queue > > > ! > > > > > > *Question*: In the policy-map LLQ, I have "bandwidth percent 5". So > > > can I assume that is 5% of the CIR value? If I want to use "priority x" > > > and > > > "bandwidth y" without using the *percent command*, how I can calculate > > > the bandwidth value for class media and class control? > > > > > > Thanks. > > > > > > > > > >
