topic Re: IPSEC Tunnels always UP in Network Security https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215697#M860843 <HTML><HEAD></HEAD><BODY><P>Configure isakmp keepalives on both ends...</P><P></P><P>securityappliance(config)#tunnel-group x.x.x.x ipsec-attributes</P><P>securityappliance(config-tunnel-ipsec)isakmp keepalive threshold 15 retry 10</P><P></P></BODY></HTML> Wed, 15 Apr 2009 16:42:44 GMT acomiskey 2009-04-15T16:42:44Z IPSEC Tunnels always UP https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215695#M860840 <P>Hi all,</P><P>I've a ASA 5540 and configured a Site-to-Site VPN, but the IPSEC tunnels frequently goes down, and when I ping a remote host, the tunnels go UP. </P><P></P><P>Is there a way to keep the tunnels always UP?</P><P></P><P>Thanks </P><P></P><P>Tauer</P> Mon, 11 Mar 2019 15:18:53 GMT https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215695#M860840 Tauer Drumond 2019-03-11T15:18:53Z Re: IPSEC Tunnels always UP https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215696#M860842 <HTML><HEAD></HEAD><BODY><P>You might be able to enter 0 for the idle timeout however not sure if this is possible. Why not just increase the idle timeout?</P></BODY></HTML> Wed, 15 Apr 2009 16:25:17 GMT https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215696#M860842 networker99 2009-04-15T16:25:17Z Re: IPSEC Tunnels always UP https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215697#M860843 <HTML><HEAD></HEAD><BODY><P>Configure isakmp keepalives on both ends...</P><P></P><P>securityappliance(config)#tunnel-group x.x.x.x ipsec-attributes</P><P>securityappliance(config-tunnel-ipsec)isakmp keepalive threshold 15 retry 10</P><P></P></BODY></HTML> Wed, 15 Apr 2009 16:42:44 GMT https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215697#M860843 acomiskey 2009-04-15T16:42:44Z Re: IPSEC Tunnels always UP https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215698#M860844 <HTML><HEAD></HEAD><BODY><P>ok... I'll apply. </P><P>I post the result</P><P>Thanks</P><P>Tauer</P></BODY></HTML> Wed, 15 Apr 2009 17:19:29 GMT https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215698#M860844 Tauer Drumond 2009-04-15T17:19:29Z Re: IPSEC Tunnels always UP https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215699#M860845 <HTML><HEAD></HEAD><BODY><P>Enable dead peer detection with the following group level command:</P><P></P><P>isakmp keepalive</P></BODY></HTML> Thu, 16 Apr 2009 01:00:39 GMT https://community.cisco.com/t5/network-security/ipsec-tunnels-always-up/m-p/1215699#M860845 lrm001c474 2009-04-16T01:00:39Z