From: Allan Wells (wellse@bigpond.net.au)
Date: Sat Apr 10 2004 - 15:22:27 GMT-3
In lasrt post I ment locations for CAC not regions regions for codec
selection i.e. sydney---mel g.729 local g711 etc etc.
Allan
----- Original Message -----
From: "iron_tri" <iron_tri@msn.com>
To: "Yasser Aly" <blackyeyes00@hotmail.com>; <ccielab@groupstudy.com>
Sent: Sunday, April 11, 2004 3:02 AM
Subject: Re: Limiting ICMP Traffic
> Be and Be are in bytes. 128000*.25 = 32000. 32000/8 is 4000, in bytes.
> That's my take on it. If you are doing an Internetworkexpert lab, I think
> they explain the solution on their forum.
>
> ----- Original Message -----
> From: "Yasser Aly" <blackyeyes00@hotmail.com>
> To: <ccielab@groupstudy.com>
> Sent: Saturday, April 10, 2004 7:14 AM
> Subject: Limiting ICMP Traffic
>
>
> > Dear All,
> >
> > The task is saying that " R1 should not send more than 128Kbps of ICMP
"
> > to avoid congestion. Configure your network so that ICMP traffic is
> limited
> > to 128Kbps. Allow for a burst of 1/4th of this rate.
> >
> > The solution offered is:
> >
> > ==============
> > ip cef
> > !
> > class-map match-all ICMP
> > match protocol ICMP
> > !
> > policy-map police POLICE_ICMP
> > class ICMP
> > police cir 128000 bc 4000
> > !
> > int e0/0
> > service-policy output POLICE_ICMP
> > ================
> >
> >
> > If I am going to solve this using rate-limit it would be
> >
> > rate-limit output 128000 16000 24000 conf orm-action transmit
> exceed-action
> > drop.
> >
> > Mapping the rate-limit statement to the MQC config, I would make the
> police
> > statment as follows
> > police cir 128000 bc 16000 be 20000
> > or
> > police cir 128000 bc 16000 be 4000
> >
> > My calculations are based on 128000/8 = 16000 & 1/4 of 16000 is 4000
> >
> > Can someone explain the difference between these statments in meaning.
> > Which one is correct and why ?
> >
> > Thanks,
> > Yasser
> >
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