topic Re: Site to Site VPN Connection Issues in General Topics https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37325#M7903 <HTML><HEAD></HEAD><BODY><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><SPAN style="font-size: 17.00pt;">I think you have a problem with the MTU size.<SPAN class="">&nbsp; </SPAN>Small packets via Telnet work and large data packets are not transmitted.</SPAN></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><BR /></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><SPAN style="font-size: 17.00pt;">For this purpose, there is an SK for setting the MTU size.<SPAN class="">&nbsp; </SPAN>Please search in the KB.</SPAN></P></BODY></HTML> Sun, 08 Jul 2018 20:52:19 GMT HeikoAnkenbrand 2018-07-08T20:52:19Z Site to Site VPN Connection Issues https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37324#M7902 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>we have a site-to-site vpn to china and we have troubles with a SAP connection through the vpn tunnel.</P><P>I pinged the SAP server on the other side for 1 day. We have between 8 and 15% packet loss and 400ms latency.</P><P>Ping tested with 1000 bytes, 4000bytes and 10000 bytes.</P><P>I did some connection tests with telnet on port 3300 and the connection test is always working.</P><P></P><P>However if the sap connector is started the following Error message is displayed.</P><P>The SAP connector also connects to port 3300.</P><P>WSAECONNRESET: Connection reset by peer 10054</P><P></P><P>Is there anything we can configure on the checkpoint firewall? Like idle timeouts?</P></BODY></HTML> Sun, 08 Jul 2018 10:21:06 GMT https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37324#M7902 bam_oida 2018-07-08T10:21:06Z Re: Site to Site VPN Connection Issues https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37325#M7903 <HTML><HEAD></HEAD><BODY><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><SPAN style="font-size: 17.00pt;">I think you have a problem with the MTU size.<SPAN class="">&nbsp; </SPAN>Small packets via Telnet work and large data packets are not transmitted.</SPAN></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><BR /></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"></P><P style="color: #454545; margin: 0.0px 0.0px 0.0px 0.0px;"><SPAN style="font-size: 17.00pt;">For this purpose, there is an SK for setting the MTU size.<SPAN class="">&nbsp; </SPAN>Please search in the KB.</SPAN></P></BODY></HTML> Sun, 08 Jul 2018 20:52:19 GMT https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37325#M7903 HeikoAnkenbrand 2018-07-08T20:52:19Z Re: Site to Site VPN Connection Issues https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37326#M7904 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk98074" title="https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&amp;solutionid=sk98074">MTU and Fragmentation Issues in IPsec VPN</A>&nbsp;</P></BODY></HTML> Mon, 09 Jul 2018 05:44:46 GMT https://community.checkpoint.com/t5/General-Topics/Site-to-Site-VPN-Connection-Issues/m-p/37326#M7904 PhoneBoy 2018-07-09T05:44:46Z