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</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>I’m having some problems with fragmented traffic (and disconnects)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Config:<o:p></o:p></span></p><p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-GB>Firewall:<o:p></o:p></span></p><p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-GB>Netscreen 320M </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>6.3.0r9.0</span><span lang=EN-GB><o:p></o:p></span></p><p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Block Fragment Traffic Enabled in screen settings for the Untrust interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> Client:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> Win7 client (etc.)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> Client 2.2.0-rc-2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Problem:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>The setup is working correctly (except for some random?!? disconnects) if i disable “Block Fragment Traffic” but it seems slow. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>When “Block Fragment Traffic” is Enabled on the Netscreen the tunnel connects but i get fragmented UDP traffic alarms on the Netscreen and there is no traffic through the tunnel.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>To remedy the situation i tried to lower the MTU setting to 800 as a test in the client but that doesn’t seem to work.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>The MTU value for the virtual adapter changes in the registry but the log says otherwise?!?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Interesting log entry’s:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>A<u>p</u>apter ROOT\VNET\0000 MTU is 1500<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Send NAT-T:IKE packet XXXX:4500 -> XXXXX:4500 ( 1548 bytes )<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Fragmented packet to 1514 bytes ( MTU 1500 bytes )<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Fragmented packet to 82 bytes ( MTU 1500 bytes )<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>How can i resolve this? (hopefully without changing anything to the pc config itself)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>(Maby the disconnects are related to the fragmenting?, the client says the Netscreen ended the connection but the Netscreen doesn’t log anything.)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Thanks for the great software!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Max<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><br></span><span lang=EN-GB>p.s. The Howto_Juniper_SSG / Create_a_Phase1_ID doesn’t really mention the “</span><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Number of Multiple Logins with Same ID” setting, that was the reason i could only login with 1 user at a time, maby an update of the Howto is in place?<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-GB><o:p> </o:p></span></p></div></body></html>