topic IPSEC problem between Cisco Router and Netscreen 5GT in Network Security https://community.cisco.com/t5/network-security/ipsec-problem-between-cisco-router-and-netscreen-5gt/m-p/745672#M1009018 <P>isakmp is working.</P><P>fase 2,Ipsec does not work:</P><P>IPSEC(validate_proposal): transform proposal (prot 3, trans 3, hmac_alg 1) not supported</P> Mon, 11 Mar 2019 09:52:53 GMT D 2019-03-11T09:52:53Z IPSEC problem between Cisco Router and Netscreen 5GT https://community.cisco.com/t5/network-security/ipsec-problem-between-cisco-router-and-netscreen-5gt/m-p/745672#M1009018 <P>isakmp is working.</P><P>fase 2,Ipsec does not work:</P><P>IPSEC(validate_proposal): transform proposal (prot 3, trans 3, hmac_alg 1) not supported</P> Mon, 11 Mar 2019 09:52:53 GMT https://community.cisco.com/t5/network-security/ipsec-problem-between-cisco-router-and-netscreen-5gt/m-p/745672#M1009018 D 2019-03-11T09:52:53Z Re: IPSEC problem between Cisco Router and Netscreen 5GT https://community.cisco.com/t5/network-security/ipsec-problem-between-cisco-router-and-netscreen-5gt/m-p/745673#M1009021 <HTML><HEAD></HEAD><BODY><P>To my knowledge, the problem might be the transform set mismatch or the tunnel group mis match name.</P><P>This document provides an explanation of common debug commands that are used to troubleshoot IPsec issues on both the Cisco IOS? Software and PIX. It is assumed that an attempt to configure IPsec is completed. Refer to Common IPsec Error Messages and Common IPsec Issues for more details.</P><P></P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a008009448c.shtml" target="_blank">http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a008009448c.shtml</A></P></BODY></HTML> Tue, 03 Apr 2007 12:51:22 GMT https://community.cisco.com/t5/network-security/ipsec-problem-between-cisco-router-and-netscreen-5gt/m-p/745673#M1009021 carenas123 2007-04-03T12:51:22Z