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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"> While trying to use strongswan for net-net scenario, I am facing following error:<o:p></o:p></p>
<p class="MsoNormal">[root@P1024RDB /root]# ipsec up net-net<o:p></o:p></p>
<p class="MsoNormal">initiating IKE_SA net-net[2] to 200.200.200.20<o:p></o:p></p>
<p class="MsoNormal">generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) ]<o:p></o:p></p>
<p class="MsoNormal">sending packet: from 200.200.200.10[500] to 200.200.200.20[500]<o:p></o:p></p>
<p class="MsoNormal">received packet: from 200.200.200.20[500] to 200.200.200.10[500]<o:p></o:p></p>
<p class="MsoNormal">parsed IKE_SA_INIT response 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) CERTREQ N(MULT_AUTH) ]<o:p></o:p></p>
<p class="MsoNormal">received cert request for "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"<o:p></o:p></p>
<p class="MsoNormal">sending cert request for "C=CH, O=Linux strongSwan, CN=strongSwan Root CA"<o:p></o:p></p>
<p class="MsoNormal">authentication of '200.200.200.10' (myself) with pre-shared key<o:p></o:p></p>
<p class="MsoNormal">establishing CHILD_SA net-net<o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:red">unable to allocate SPIs from kernel<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:red"><o:p> </o:p></span></b></p>
<p class="MsoNormal">I have compiled all the modules, which was suggested in <o:p>
</o:p></p>
<p class="MsoNormal"><i><span style="color:red"><a href="http://wiki.strongswan.org/projects/strongswan/wiki/KernelModules">http://wiki.strongswan.org/projects/strongswan/wiki/KernelModules</a><o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal">I am still facing the problem. <o:p></o:p></p>
<p class="MsoNormal">My ipsec.conf is as follows:<o:p></o:p></p>
<p class="MsoNormal"><i><span style="color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"># /etc/ipsec.conf - strongSwan IPsec configuration file<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red">config setup<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> charondebug="chd 4, knl 4"<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> crlcheckinterval=180<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> strictcrlpolicy=no<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> plutostart=no<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red">conn %default<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> pfs=no<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> ikelifetime=60m<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> keylife=20m<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> rekeymargin=3m<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> keyingtries=1<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> keyexchange=ikev2<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> type=tunnel<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> auth=esp<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> compress=no<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> mobike=no<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> ike=3des-sha1-md5-modp1024!<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> esp=aes128-3des-sha1-md5!<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red">conn net-net<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> authby=secret<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> left=200.200.200.10<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> leftsubnet=192.168.1.0/24<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> leftfirewall=yes<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> right=200.200.200.20<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> rightsubnet=192.168.2.0/24<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span style="color:red"> auto=add<o:p></o:p></span></i></p>
<p class="MsoNormal">Please help<o:p></o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Hemant<o:p></o:p></p>
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