From: Katson PN Yeung (kyeung@xxxxxxxxx)
Date: Tue May 07 2002 - 23:45:30 GMT-3
Thanks James, very detail!!!!
At 08:01 PM 5/7/2002, James Self wrote:
>Frame Relay service is bought based on CIR and port Speed.
>
>When implementing traffic shaping is usually set up on Port speed, Be, &
>CIR. We configure a formula based on the serviced they ordered.
>
>Ex: Depending on IOS what type of implemented traffic shaping
>
>interface Serial4/1.234 point-to-point
>frame-relay class 64CIR128PORT
>
>map-class frame-relay 64CIR128PORT
> frame-relay cir 128000 = port speed
> frame-relay bc 96000 = be <=== actually burst over cir not really bc
> frame-relay mincir 64000 = cir
> frame-relay adaptive-shaping becn
>
>Bc = Burst congestion is usually set to CIR if applicable
>Be = Burst excess is usually set over CIR if applicable (above not
>applicable)
>
>or
>
>map-class frame-relay Veenendal,Data
> frame-relay adaptive-shaping foresight
> frame-relay cir 512000 = port speed
> frame-relay bc 128000 = cir
> frame-relay be 384000 = burst excess
>
>or
>interface Serial0/0.2 point-to-point
>
>traffic-shape rate 512000 12800 12800 1000
>
>512000 = port speed
>12800 = CIR
>12800 = be
>1000 = buffer limit
>
>In short it all depends on your traffic shaping what the CIR or min cir
>represents. With all that being said minCIR when configured usually
>represents subscribed CIR.
>
>Hopes this clarifies your question.
>
>Thanks,
>James L. Self
>CCDP,CCNP,CCDA,CCNA,CNE
>Sr. Network Engineer I
>Lead Engineer Team C
>GNO/Advance Technical Support
>Worldcom Managed Services
>vnet 966-7450 or 919 377-7450
>ATS_Team_C@lists.wcom.com
>
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
>Harish DV/peakxv
>Sent: Tuesday, May 07, 2002 2:32 AM
>To: Katson PN Yeung
>Cc: ccielab@groupstudy.com; nobody@groupstudy.com
>Subject: Re: Different between CIR/minCIR and Frame-relay traffic-rate
>command.
>
>
>Case 1 : you define minCIR and CIR in one command
>Case2: you define them seperately.
>
>Not much difference
>
>Pls correct me if I am wrong
>
>
>
>
> Katson PN Yeung
> <kyeung@hkcix.com To:
>ccielab@groupstudy.com
> > cc:
> Sent by: Subject: Different between
>CIR/minCIR and Frame-relay traffic-rate command.
> nobody@groupstudy
> .com
>
>
> 05/06/2002 07:55
> PM
> Please respond to
> Katson PN Yeung
>
>
>
>
>
>
>Dear all,
>
>I have a confusion about "Configuring Frame-relay and Frame-relay Traffic
>Shaping" chapter.
>
>What is the different between these two examples below:
>
>
>case 1.
>
>map-class frame-relay FRMAP
> frame-relay traffic-rate 4800 9600
>
>&
>
>case 2.
>
>map-class frame-relay FRMAP
> frame-relay CIR 9600
> frame-relay minCIR 4800
>
>Rgds,
>K a t s o n
>-----
>Chinalink Networks Limited.
>voice: (852)2159 6818 fax: (852)2159 6999
>Let's fight against the evil scumware:
>http://www.whirlywiryweb.com/q/ezula.asp
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