From: David Goldsmith (dgoldsmi@xxxxxxxxx)
Date: Fri Feb 02 2001 - 11:42:56 GMT-3
Group,
Actually, that is incorrect. This would allow 3mega bits for the first number
and 3.6 mega bits for the burst.
the second number is in bytes. This statement will allow 6.6 M bits through.
Thanks,
Dave
"Michael E. Flannagan" wrote:
> Robert -
>
> Look at it this way. 1st number + 2nd number = where your action begins
> to be selectively applied to traffic (in this case, the action is
> 'drop'). The 3rd number is the point beyond which the exceed-action will
> be applied to ALL traffic. If you truly wanted to limit traffic to not
> exceed 3.5Mb, then you would want to make sure that rate+Eb = 3.5Mb
>
> ex: rate-limit input access-group 101 3000000 450000 500000 conform-action
> transmit exceed-action drop
>
> That would allow up to 3.45Mb of traffic before any action was taken and
> would drop *some* traffic between 3.45Mb and 3.5Mb, but would drop all
> traffic over 3.5Mb.
>
> Hope that helps,
>
> ------------------------------------------------------------
> C i s c o S y s t e m s Michael E. Flannagan
> | | Network Consulting Engineer
> ||| ||| Research Triangle Park, NC
> ||||||| ||||||| (919) 392-4550
> .:|||||||||||:.:|||||||||||:. mflannag@cisco.com
> ------------------------------------------------------------
>
> On Fri, 2 Feb 2001, Robert DeVito wrote:
>
> > If I wanted to limit SMTP to 3.5 MB on my ethernet port I would do the
> > following?
> >
> > rate-limit input access-group 101 3500000 8000 8000 conform-action transmit
> > exceed-limit drop
> > !
> > access-list 101 permit tcp any any eq smtp
> >
> > My question is, when configuring CAR, it requires me to add the bps
> > burst-normal and burst-max. If I came across an scenario when it ask me to
> > limit bandwidth to a specific protocol, in this case smtp, to 3.5mbs, if I
> > configure it to burst 8k, I am really not limiting it to 3.5mbs. Am I
> > thinking correctly? Is there a different way of doing this?
> >
> > Thank you,
> > RobertRobert DeVito
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