From: yu chunyan (yuchunyan@hotmail.com)
Date: Fri Sep 19 2003 - 17:19:19 GMT-3
I think providers always give mincir, so 32k is mincir here. If I were you,
I set mincir=32k, cir=128,no burst is necessary,let "frame-relay
adaptive-shaping" takes care of speed control(I assume no voice in your
case).
Bin.
>From: Ken.Farrington@barclayscapital.com
>Reply-To: Ken.Farrington@barclayscapital.com
>To: ccielab@groupstudy.com
>Subject: RE: FRTS scenario
>Date: Fri, 19 Sep 2003 18:07:05 +0100
>
>So guys, What is the correct scenario for the following if put to me ?
>
>Site 1
>Telco gives me a 32k CIR
>My line speed is 128k
>
>Site 2
>Dont care (theorically has DS3)
>
>
>In real life, my Min CIR and CIR when I configure FRTS is going to be the
>same and im gonna burst to the 128K and squeeze the life outa the cct.
>
>So, I get a question saying "with the minimum configuration" configure
>FRTS,
>I will have to configure CIR and MIN CIR as I dont want FRTS to throttle
>down below my CIR and by default, the default mincir is 1/2 the CIR
>
>Man, ya know, I sometimes think that we are just being tesed on ability to
>undertsand cisco and not technical knowledge (or is this the same thing)
>
>Any ideas guys?
>
>
>-----Original Message-----
>From: Brian Dennis [mailto:bdennis@internetworkexpert.com]
>Sent: 19 September 2003 08:15
>To: Danny.Andaluz@triaton-na.com
>Cc: ccielab@groupstudy.com
>Subject: RE: FRTS scenario
>
>
>Danny,
>Are those your solutions to the scenario? The solutions are allowing the
>router to send data at 64kbps for DLCI 101 and 256kbps for DLCI 102. The
>router will overwhelm the interface since the AR (aka port speed) is
>256kbps. Also configuring min-CIR does not do anything if adaptive shaping
>is not enabled.
>
>Below is a link to a Frame-Relay traffic shaping presentation I developed.
>Read it over and let me know if you have any questions. It should help
>clarify FRTS.
>
>http://www.internetworkexpert.com/resources/01700368.htm
>
>If we can get a few people to sign up I'm willing to do a free Frame-Relay
>traffic shaping vSeminar next week.
>
>Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>bdennis@internetworkexpert.com
>Toll Free: 877-224-8987
>Direct: 775-745-6404 (Outside the US and Canada)
>Internetwork Expert, Inc.
>http://www.InternetworkExpert.com
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Danny.Andaluz@triaton-na.com
>Sent: Thursday, September 18, 2003 9:03 PM
>To: ccielab@groupstudy.com
>Subject: FRTS scenario
>
>Hello Group,
>
>A scenario for FRTS on a lab that I'm doing states:
>
>"Assume voice traffic is will be passing over dlci 101, which has 64k link
>speed. Configure Frame Relay such that there is no latency and packets are
>not dropped. DLCI 102 has 50% BW of port speed. Configure CIR, Bc and Be
>accordingly by maintaining Tc's default value and interface queueing
>default
>mechanism. Port speed Between r1 and r2 is 256k."
>
> R1
> |
> | |
> dlci 101 | | dlci 102
> | |
> |
> R2
>
>Here's what I have as far as configs. I get all sorts of different answers
>for what this should be. Hopefully I can get this cleared up. You think
>you understand something, and then you get punched in the mouth.
>
>Thanks,
>Danny
>
>R1
>
>interface Serial0.8 point-to-point
> ip address 172.16.78.1 255.255.255.252
> frame-relay interface-dlci 101
> class Voice
>!
>interface Serial0.9 point-to-point
> ip address 172.16.78.5 255.255.255.252
> frame-relay interface-dlci 102
> class Data
>
>map-class frame-relay Voice
> frame-relay cir 64000
> frame-relay bc 640
> frame-relay be 0
> frame-relay mincir 64000
> no frame-relay adaptive-shaping
> frame-relay fair-queue
> frame-relay fragment 80
>!
>map-class frame-relay Data
> frame-relay cir 256000
> frame-relay bc 32000
> frame-relay be 0
> frame-relay mincir 128000
> no frame-relay adaptive-shaping
> frame-relay fair-queue
>
>R2
>
>interface Serial0.2 point-to-point
> ip address 172.16.78.2 255.255.255.252
> frame-relay interface-dlci 101
> class voice
>!
>interface Serial0.3 point-to-point
> ip address 172.16.78.6 255.255.255.252
> frame-relay interface-dlci 102
> class data
>
>map-class frame-relay voice
> frame-relay cir 64000
> frame-relay bc 640
> frame-relay be 0
> no frame-relay adaptive-shaping
> frame-relay fair-queue
> frame-relay fragment 80
>!
>map-class frame-relay data
> frame-relay cir 256000
> frame-relay bc 32000
> frame-relay be 0
> no frame-relay adaptive-shaping
> frame-relay fair-queue
>
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