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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Could you please address the following query ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">BR,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Shashidhar<o:p></o:p></span></p>
<p class="MsoNormal"><span 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"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> users-bounces+shashidhar.1.patil=nsn.com@lists.strongswan.org [mailto:users-bounces+shashidhar.1.patil=nsn.com@lists.strongswan.org]
<b>On Behalf Of </b>ext Patil, Shashidhar 1. (NSN - IN/Bangalore)<br>
<b>Sent:</b> Friday, June 07, 2013 5:57 PM<br>
<b>To:</b> users@lists.strongswan.org<br>
<b>Subject:</b> [strongSwan] Problem observed during traffic selector narrowing<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"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">We are seeing a problem with traffic selector narrowing scenario.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">“rightsubnet” on Sec-GW-1 has larger subnet compared to the “leftsubnet” on Sec-GW-2, But<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">“*protoport” fields on Sec-GW-2 has wider range(any) compared to Sec-GW-1.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">With this configuration ESP tunnel establishment fails with “traffic selector unacceptable” .<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">It works if the “*protoport” on both sides is same.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Also we observed that if both the “ip addres and protocol/port” ranges are wider on sec-GW-1 then it works.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Could you please explain the rationale behind this behavior ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:14.0pt">Configuration on Sec-GW-1</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:14.0pt">Configuration on Sec-GW-2</span></b><o:p></o:p></p>
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<p class="MsoNormal">conn conn6 <o:p></o:p></p>
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<p class="MsoNormal"> type=tunnel<o:p></o:p></p>
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<p class="MsoNormal"><b> leftsubnet=30.30.30.30/32</b><o:p></o:p></p>
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<p class="MsoNormal"><b> <span style="color:red">rightsubnet=11.0.0.0/16</span></b><o:p></o:p></p>
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<p class="MsoNormal"> left=30.30.30.30<o:p></o:p></p>
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<p class="MsoNormal"> right=30.30.30.31<o:p></o:p></p>
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<p class="MsoNormal"> keyexchange=ikev2<o:p></o:p></p>
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<p class="MsoNormal"> authby=psk<o:p></o:p></p>
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<p class="MsoNormal"> reauth=no<o:p></o:p></p>
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<p class="MsoNormal"> ike=aes128-sha1-modp1024,3des-sha1-modp1024!<o:p></o:p></p>
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<p class="MsoNormal"> ikelifetime=864000<o:p></o:p></p>
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<p class="MsoNormal"> pfs=no<o:p></o:p></p>
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<p class="MsoNormal"> esp=3des-sha1!<o:p></o:p></p>
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<p class="MsoNormal"> keylife=86400<o:p></o:p></p>
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<p class="MsoNormal"> dpdaction=clear<o:p></o:p></p>
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<p class="MsoNormal"> dpddelay=10<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:red"> leftprotoport=1</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:red"> rightprotoport=1</span></b><o:p></o:p></p>
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<p class="MsoNormal"> rekeyfuzz=100%<o:p></o:p></p>
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<p class="MsoNormal"> rekeymargin=540s<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">conn conn6 <o:p></o:p></p>
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<p class="MsoNormal"> type=tunnel<o:p></o:p></p>
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<p class="MsoNormal"><b> rightsubnet=30.30.30.30/32</b><o:p></o:p></p>
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<p class="MsoNormal"><b> <span style="color:red">leftsubnet=11.0.1.0/24</span></b><o:p></o:p></p>
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<p class="MsoNormal"> right=30.30.30.30<o:p></o:p></p>
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<p class="MsoNormal"> left=30.30.30.31<o:p></o:p></p>
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<p class="MsoNormal"> keyexchange=ikev2<o:p></o:p></p>
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<p class="MsoNormal"> authby=psk<o:p></o:p></p>
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<p class="MsoNormal"> reauth=no<o:p></o:p></p>
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<p class="MsoNormal"> ike=aes128-sha1-modp1024,3des-sha1-modp1024!<o:p></o:p></p>
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<p class="MsoNormal"> ikelifetime=86400<o:p></o:p></p>
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<p class="MsoNormal"> pfs=no<o:p></o:p></p>
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<p class="MsoNormal"> esp=3des-sha1!<o:p></o:p></p>
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<p class="MsoNormal"> keylife=28800<o:p></o:p></p>
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<p class="MsoNormal"> dpdaction=clear<o:p></o:p></p>
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<p class="MsoNormal"> dpddelay=10<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:red"> rightprotoport=any</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="color:red"> leftprotoport=any</span></b><o:p></o:p></p>
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<p class="MsoNormal"> rekeyfuzz=100%<o:p></o:p></p>
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<p class="MsoNormal"> rekeymargin=540s<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">BR,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Shashidhar<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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