Solved: I was asked a question by a collegue today if there were any way that a keepalive could be configured so that site to site tunnels would stay up, vs. having to have interesting traffic to allow the ISAKMP negotiations to occur to bring up
For each IPsec tunnel, create a next-hop interface and then configure two IPsec site-to-site VPN tunnel. Use the IP addresses provided in the Amazon generic VPN configuration file you downloaded at the end of Step 1. Step 2.1 - Create VPN Next-Hop Interfaces. For each IPsec tunnel, a VPN next-hop interface must be created. May 16, 2016 · Similarly, If you don't want the VPN server to disconnect the connection for not detecting traffic, set "Idle Timeout" to 0. Disable "PING to Keep Alive" “Ping to Keep Alive” option is using ping to detect if the IPsec connection is alive or not. If the Ping Target IP is not responding Ping, IPsec VPN connection will drop every 60 seconds. Using sla monitor we can have the ASA do a continuous ping over the tunnel to keep it always up. Here’s a config to ping an IP over the tunnel every 5 seconds, forever. sla monitor 1 type echo protocol ipIcmpEcho 10.1.2.2 interface OUTSIDE frequency 5 exit sla monitor schedule 1 life forever start-time now SSL VPN Disconnects - Keep Alive Setting Background Fortigate 500D running FW 5.4.2 FortiClient 5.4.2 & 5.4.3 (recently installed as test) SSL VPN Client/ Tunnel Mode Multiple clients report inconsistent issues with client disconnects even when client is NOT idle.
Configure IPSec Phase – 2 Policy !##### ! tunnel-group 1.1.1.1 type ipsec-l2l tunnel-group 1.1.1.1 ipsec-attributes pre-shared-key 1234567 isakmp keepalive threshold 10 retry 2 ! crypto ipsec ikev1 transform-set VPN-TRANSFORM esp-aes esp-sha-hmac ! crypto map CRYPTO-MAP 1 match address VPN-INTERESTING-TRAFIC crypto map CRYPTO-MAP 1 set pfs
Oct 29, 2013
Configuring a VPN Policy with IKE using Preshared Secret
In the IKEv1 settings, you can enable Dead Peer Detection or IKE Keep-alive so that the Firebox detects when a tunnel has disconnected and automatically starts a new Phase 1 negotiation. Dead Peer Detection is an industry standard that is used by most IPSec devices. GRE Tunnel Keepalives - Cisco May 17, 2017 VPN Site to Site tunnel keeps dropping : sonicwall Feb 15, 2012 Creating Site-to-Site VPN Policies - SonicWall