RE: Rate-limit v police command

From: Lee Donald (Lee.Donald@t-systems.co.uk)
Date: Wed Nov 23 2005 - 04:13:03 GMT-3


Steve,

First of all rate-limiting is Policing!!

There are 2 forms of policing at the moment, one is CAR and the other is
class based policing. CAR is the legacy function and something in your
question would lead you to one rather than the other.

CAR is applied on the interface and policing is used within a Policy map
with a class.

HTH

Lee

-----Original Message-----
From: Skinner, Stephen [mailto:Stephen.Skinner@rbs.co.uk]
Sent: 22 November 2005 17:53
To: 'ccielab@groupstudy.com'
Subject: Rate-limit v police command

hello

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos
_c/fqcprt4/qcfpolsh.htm#wp1000920

I have read through the above doc several times and I have failed to find
the answer I need

CAR committed access rate , from what I can see , this is just a
description of what policing, rate-limiting and shaping do ,they all give a
CAR

I understand why I would use policing instead of shaping , and what the
difference is ,that makes sense to me.
 
but
rate-limit V police , Why would I use on over the other , when I do a
feature check they ( to me) seem to do the same thing .

so in the lab what do you believe would point you towards Rate-limit and
away from police .

if this has been discussed in a previous post please let me know , as I have
been unable to find it in the archives

many thanks

Steve

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