So from the performance point of view, you would see a hit if you use many shapers on the software based boxes (7301/7200). On ASR it should be better.<br>I have seen many ISPs use policing, and it worked just fine.<br><br>
Arie<br><br><div class="gmail_quote">On Mon, Sep 7, 2009 at 10:03 AM, Andy Saykao <span dir="ltr"><<a href="mailto:andy.saykao@staff.netspace.net.au">andy.saykao@staff.netspace.net.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Hi Arie,</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">We have a mixture of 7301's, 7200 VXR's and ASR
1004.</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Cheers.</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Andy</font></span></div><br>
<div dir="ltr" align="left" lang="en-us">
<hr>
<font face="Tahoma" size="2"><b>From:</b> Arie Vayner [mailto:<a href="mailto:arievayner@gmail.com" target="_blank">arievayner@gmail.com</a>]
<br><b>Sent:</b> Monday, 7 September 2009 5:02 PM<br><b>To:</b> Andy
Saykao<br><b>Cc:</b> <a href="mailto:cisco-bba@puck.nether.net" target="_blank">cisco-bba@puck.nether.net</a><br><b>Subject:</b> Re:
[cisco-bba] To Shape or Police DSL Subscribers ??<br></font><br></div><div><div></div><div class="h5">
<div></div>Andy,<br><br>One thing about shaping is that it takes more resources
(mainly CPU) from the router.<br>What kind of a router is
that?<br><br>Arie<br><br>
<div class="gmail_quote">On Mon, Sep 7, 2009 at 9:41 AM, Andy Saykao <span dir="ltr"><<a href="mailto:andy.saykao@staff.netspace.net.au" target="_blank">andy.saykao@staff.netspace.net.au</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>
<div><font face="Arial" size="2"><span>Hi All,</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>Is it better to shape or police DSL
subscribers that have exceeded their quota or does it not matter which method
you choose? </span></font><font face="Arial" size="2"><span>We are currently using
CoA with policing but I've been asked to investigate whether we should look at
shaping instead of policing. My testing reveals that policing is more bursty
as seen below. </span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>*** Example with Policing
***</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>policy-map POLICE-TEST<br> class
class-default<br> police 48000 9000 18000
conform-action transmit exceed-action
drop violate-action drop</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span><span>Using: cisco-avpair =
"ip:sub-qos-policy-out=POLICE-TEST"</span></span></font></div>
<div><br></div>
<div><font face="Arial" size="2"><span>Download speeds fluctuate between 5.2 -
7.6KB/sec. More bursty.</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>*** Example with Shaping
***</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>policy-map SHAPE-TEST<br> class
class-default<br> shape average
48000<br></span></font></div>
<div><font face="Arial" size="2"><span>Using: cisco-avpair =
"ip:sub-qos-policy-out=SHAPE-TEST"</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>
<div><font face="Arial" size="2"><span>Download speeds remain
at constant 5.6KB/sec. Very little
bursting.</span></font></div></span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>Any pro's and con's to either
method???</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>Thanks.</span></font></div>
<div><font face="Arial" size="2"><span></span></font> </div>
<div><font face="Arial" size="2"><span>Andy</span></font></div></div>
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