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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I just noticed this.&nbsp; One of my ipsec systems hung a few days ago.&nbsp; Thinking I had a hardware problem, I started building up a replacement. &nbsp;Checking it out, I noticed my Internet tunnel facing NIC somehow took on the IP Address of the LAN facing NIC.&nbsp; This was strange.&nbsp; Digging deeper, I see what&#8217;s going on.&nbsp; <o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>The LAN side is 172.21.99.100/24 on device eth1.&nbsp; The Internet side (obfuscated) is 1.2.123.217/30 on device eth0.<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>When I put leftsourceip=172.21.99.11 in my conn definition, after starting ipsec, I see this IP Address - but with a /16 &#8211; assigned to eth0, the Internet facing NIC.&nbsp; What&#8217;s up with that?&nbsp; When I comment out the leftsourceip line, the IP Addresses for all NICs look as expected.&nbsp; I can get rid of the leftsourceip and rightsourceip lines &#8211; I put them in to help troubleshoot problems when they come up because I don&#8217;t always have the ability to get at systems behind the tunnel.&nbsp; <o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>But this behavior is a new surprise &#8211; it never used to behave like this and I have several dozen systems set up this way.&nbsp; &nbsp;Why in the world did Openswan start assigning a private IP Address to the tunnel facing NIC?&nbsp; And can/should I do anything about it?<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>The new behavior happens with both 2.6.29 and 2.6.31 running on Fedora 14.&nbsp; <o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Here&#8217;s the relevant portion of the conn definition with the public IP addresses obfuscated.&nbsp; &nbsp;The leftsourceip is part of the leftsubnet &#8211; yet it ended up being assigned to the tunnel facing NIC with a /16 mask.&nbsp;&nbsp; Commenting out the leftsourceip line gets rid of the problem.&nbsp; <o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>conn DR<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; left=1.2.123.217<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leftnexthop=1.2.123.218<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leftsubnet=172.21.99.0/24<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leftsourceip=172.21.99.100<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leftid=@dr.local<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # rsakey AQPLd3j2f<o:p></o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; leftrsasigkey=0sAQPLd3j2&#8230;<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>Greg Scott<o:p></o:p></p></div></body></html>