From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Mon May 30 2005 - 19:21:35 GMT-3
Firebat,
Technically you could consider both rate-limiting and policing
to be working 100% of the time. Some of this time traffic is
conforming, others it may be exceeding or violating. Regardless you
would not want to do either policing or rate-limiting to accomplish what
you are asking.
What you need to is a MQC "bandwidth" reservation of 50% that
says not-voice traffic. In that case VoIP would be subject to normal
tail-drop when the output queue is full of data traffic. This may not
be a desired effect for your network. You should consider using LLQ to
handle VoIP traffic, not bandwidth reservation.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Firebat
> Sent: Monday, May 30, 2005 5:39 AM
> To: cisco@groupstudy.com; Cisco certification
> Subject: RATE-LIMIT vs POLICE
>
> Hi,
>
> Can anyone here confirm me? I am thinking that 'RATE-LIMIT OUTPUT'
command
> under interface configuration is always on, regardless there is
congestion
> in
> outgoing interface. And, 'POLICE' command under class/policy-map
> configuration
> will be activated if and only if there is congestion in outgoing
> interface.
>
> This thought arise when I face problem to configure router to let
Voice
> traffic can consume 99% link bandwidth, when there is no data traffic.
> But,
> when data traffic flows, the voice traffic get only 50% bandwitdh.
>
> Am I right??
>
> Regards,
> Firebat
>
>
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