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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A client is not limited to 256 ongoing requests.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">One client can (and will, if need be) use multiple source ports (for each source port, 256 requests can be ongoing), hence sending as many requests
as it needs at a given time.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This is not exact science.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You need to do is evaluate the maximum total requests/s rate your server will have to serve.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Multiply that by your max request time, and you have the max requests FreeRADIUS will be handling at a given time.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">BTW, the following comment in radiusd.conf is misleading, it should probably be updated :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-US" style="font-size:9.0pt;font-family:Consolas;color:#333333"># max_requests: The maximum number of requests which the server keeps<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-US" style="font-size:9.0pt;font-family:Consolas;color:#333333"># track of. This should be 256 multiplied by the number of clients.<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt"><span lang="EN-US" style="font-size:9.0pt;font-family:Consolas;color:#333333"># e.g. With 4 clients, this number should be 1024.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">De :</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org [mailto:freeradius-users-bounces+nicolas.chaigneau=capgemini.com@lists.freeradius.org]
<b>De la part de</b> Arnaud .<br>
<b>Envoyé :</b> vendredi 18 juillet 2014 09:36<br>
<b>À :</b> FreeRadius users mailing list<br>
<b>Objet :</b> RE: radiusd.conf max request ?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Calibri","sans-serif"">Hello<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="hps"><span lang="EN" style="font-family:"Calibri","sans-serif"">So</span></span><span lang="EN" style="font-family:"Calibri","sans-serif"">
<span class="hps">if I have</span> <span class="hps">274</span> <span class="hps">
routers</span> <span class="hps">connected to</span> <span class="hps">Hotspot</span>
<span class="hps">Radius</span> <span class="hps">server,</span> <span class="hps">
I need</span> <span class="hps">to put in</span> <span class="hps">max-</span>request:
<span class="hps">70144</span> <span class="hps">(256</span> <span class="hps">queries</span>
<span class="hps">* number of</span> <span class="hps">clients)</span> <br>
<br>
<span class="hps">Is this correct</span>?<br>
<br>
best Regards<br>
<br>
</span><span style="font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">> Date: Thu, 17 Jul 2014 16:43:45 -0400<br>
> From: <a href="mailto:aland@deployingradius.com">aland@deployingradius.com</a><br>
> To: <a href="mailto:freeradius-users@lists.freeradius.org">freeradius-users@lists.freeradius.org</a><br>
> Subject: Re: radiusd.conf max request ?<br>
> <br>
> Arnaud . wrote:<br>
> > Hello,<br>
> > <br>
> > How should settle in "radiusd.conf" max_request_time, cleanup_delay and<br>
> > max_requests?<br>
> <br>
> The configuration files document what they're for, and what they do.<br>
> <br>
> > Currently I max_request_time = 30 cleanup_delay = 2 and max_requests =<br>
> > 50432<br>
> > <br>
> > Is it set? If it is misconfigured what can happen?<br>
> <br>
> Don't change max_request_time or cleanup_delay. Set max_requests to<br>
> some large value.<br>
> <br>
> If you get it wrong, error messages will appear in the log. The<br>
> messages will tell you to increase max_request_time.<br>
> <br>
> Alan DeKok.<br>
> -<br>
> List info/subscribe/unsubscribe? See <a href="http://www.freeradius.org/list/users.html">
http://www.freeradius.org/list/users.html</a><o:p></o:p></span></p>
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