From: ahmed badr (eng.ahmedbadr@gmail.com)
Date: Sat May 31 2008 - 13:39:39 ART
So, how will the other end determine if I'm sending with/without the excess
burst? at the end it will receive 256k (either by shape average 256000 or
shape peak 128000) ?
I'm confused!!
2008/5/31 Narbik Kocharians <narbikk@gmail.com>:
> CB-Shaping can be done in two different ways: Shape average and Shape Peak.
>
> Shape average limits the transmission rate to CIR, whereas, with Shape peak
> the router can send more traffic than CIR.
>
> The formula is:
>
> Peak Rate = CIR (1+Be/Bc) and remember by default Be and the Bc are set
> to 8k
>
> With Shape Peak you are allowed to burst higher than CIR but remember that
> the excess traffic has the potential of being dropped if the network is
> congested. Typically used if the network has more bandwidth available and
> the app that is being used can handle packet loss.
>
>
> On Sat, May 31, 2008 at 8:04 AM, ahmed badr <eng.ahmedbadr@gmail.com>
> wrote:
>
>> yes Mark, this is why I ask. unless there is a reason for that, why then
>> cisco produced the "shape peak" command if I can get the same result with
>> "shape average" and be=0 !!!
>>
>> 2008/5/31 Mark Stephanus Chandra <mark.chandra@gmail.com>:
>>
>> > Hi All,
>> >
>> > Just reading you guys e-mail and suddenly just come in my mind, so
>> anyway
>> > what the peak for then ? Is there any different treat between burst
>> traffic
>> > and commited traffic ? Just like when we configure frame relay, frame
>> relay
>> > have different treat with burst traffic, burst traffic can might be get
>> DE
>> > bit right ?
>> >
>> > Mark Stephanus Chandra
>> > IT Consultant
>> >
>> > -----Original Message-----
>> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> > Sadiq Yakasai
>> > Sent: 31 Mei 2008 21:22
>> > To: ahmed badr
>> > Cc: Cisco certification
>> > Subject: Re: Shape Peak
>> >
>> > Hi Ahmed,
>> >
>> > Yes, you get the same data rate in this scenario because Be=0 in the
>> first
>> > case anyway.
>> >
>> > Sadiq
>> >
>> >
>> > _______________________________________________________________________
>> > Subscription information may be found at:
>> > http://www.groupstudy.com/list/CCIELab.html
>>
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.Net-Workbooks.com
> Sr. Technical Instructor
This archive was generated by hypermail 2.1.4 : Mon Jun 02 2008 - 06:59:19 ART