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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I’ve noticed that rlm_ippool is nearly always
reassigning an IP address that has just been releasing for a new connexion.
This cause some TCP connexion problems because of the TIME_WAIT state. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Scenario:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>1/ one device connects using source port 1024 (ppp)
and gets an IP address from freeradius<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>2/ this device disconnects, the ip is freed from the
pool<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>3/ another devices connects using source port 1024
and gets the same ip address as before<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>4/ the connexion is impossible to the server because
the connexion of last device is still in TIME_WAIT state<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>How can I make sure an IP address is not assigned
before some time period (240 seconds, time period of the TIME_WAIT state) after
being released ? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Regards,<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=1 color="#3e282b" face=Verdana><span
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height=43 id="_x0000_i1025" src="cid:image001.gif@01C6AB1F.BCBF3020"
alt="Neopost Diva"><o:p></o:p></span></font></p>
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<tr>
<td valign=top style='padding:0cm 0cm 0cm 0cm'><!--123mms_address_l1-->
<p class=MsoNormal><font size=1 color="#c00010" face=Verdana><span
style='font-size:8.0pt;font-family:Verdana;color:#C00010'>127 avenue Joseph
Pierre Boitelet<br>
<!--123mms_/address_l1--><!--123mms_address_l2-->BP50<br>
<!--123mms_/address_l2--><!--123mms_address_zc-->84302 <!--123mms_/address_zc--><!--123mms_address_city-->CAVAILLON
Cedex<br>
<!--123mms_/address_city-->FRANCE <o:p></o:p></span></font></p>
</td>
<td valign=top style='padding:0cm 0cm 0cm 11.25pt'>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3 color="#c00010"
face=Verdana><span style='font-size:12.0pt;font-family:Verdana;color:#C00010'><!--123mms_Name-->Sébastien,
Cantos<!--123mms_/Name--></span></font><font size=1 color="#3e282b"
face=Verdana><span style='font-size:8.0pt;font-family:Verdana;color:#3E282B'><br>
</span></font><font size=2 color="#3e282b" face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:#3E282B'><!--123mms_fonction-->IT
Manager<!--123mms_/fonction--> </span></font><font size=1 color="#3e282b"
face=Verdana><span style='font-size:8.0pt;font-family:Verdana;color:#3E282B'><br>
<a href="mailto:s.cantos@neopost.com%3c!--123mms_/email--%3e"><font size=1
color="#c00010"><span style='font-size:9.0pt;color:#C00010'><!--123mms_email-->s.cantos@neopost.com</span></font><!--123mms_/email--></a><br>
<br>
<img border=0 width=16 height=12 id="_x0000_i1026"
src="cid:image002.gif@01C6AB1F.BCBF3020" alt="Phone: "><!--123mms_phone-->+
33 4 90 76 08 08<br>
<!--123mms_/phone--><!--123mms_fax--><img border=0 width=13 height=12
id="_x0000_i1027" src="cid:image003.gif@01C6AB1F.BCBF3020" alt="Fax: "> +
33 1 40 39 23 23<o:p></o:p></span></font></p>
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color:#3E282B'><a href="http://www.neopost.com"><font color="#c00010"><span
style='color:#C00010'>http://www.neopost.com</span></font></a> <o:p></o:p></span></font></p>
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