From: Omer Ansari (omer@xxxxxxxxxx)
Date: Wed Aug 28 2002 - 05:55:12 GMT-3
Nick,
I understand the numbers for FE are as per the TCP RTT:
Selecting Burst and Extended Burst Values for Class-Based Policing
http://www.cisco.com/warp/public/105/carburstvalues.html
however, why are the ATM numbers different?
On Wed, 28 Aug 2002, Nick Shah wrote:
> Hunt
>
> The ideal on Fast Ethernet is to have the burst-normal values to be 0.1875 *
> bps, and burst max to be of (2 x 0.1875 x bps) .
>
> On an ATM/ other (POS etc. ) you could have something like bps/2000 as burst
> normal, and either same (if no burst required) or double of that for burst
> max.
>
> rgds
> Nick
> ----- Original Message -----
> From: "Hunt Lee" <huntl@webcentral.com.au>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, August 28, 2002 3:30 PM
> Subject: Help needed on CAR
>
>
> > Hello,
> >
> > I have a Cisco 2621 and I want to limit the line speed on one of the
> > FastEthernet sub-interface to 1MBit / sec. I found a command regarding
> CAR
> > on CCO:-
> >
> > interface FastEthernet3/0.598
> > rate-limit input <bps> <burst-normal> <burst-max> conform-action
> > transmit exceed-action drop
> > rate-limit output <bps> <burst-normal> <burst-max> conform-action
> > transmit exceed-action drop
> > But I am confused on what values do I have to put into <bps>
> <burst-normal>
> > <burst-max> to get it down to 1MB...
> > Also, is this the only line that I need to configure CAR?
> >
> > N.B:- I'm using IOS Version 12.0(7)T2
> > Thanks so much for your help in advance,
> > Best Regards,
> > H.
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