Jun 20, 2019 · Review your VPN device's idle timeout settings using information from your device's vendor. When there's no traffic through a VPN tunnel for the duration of your vendor-specific VPN idle time, the IPsec session terminates. Be sure to follow vendor-specific configuration guidelines.
Jun 24, 2013 · If there is no interesting traffic going over the tunnel the tunnel can and will be taken down. I believe the timeout for interesting traffic is 4 hours. If no traffic was sourced or destined to the remote-side a VPN can be suspended. We setup our VPN sites in SolarWinds to ping the remote-side IP / Gateway to keep the tunnel up / going. A site-to-site VPN tunnel between them had been working flawlessly for about 2 years. Approximately one month ago, we began having an issue where the tunnel would go down, at around the same time of day everyday, and then it would magically heal itself and come back online in about 15 minutes. These were typically used with routers, because routers use Virtual Tunnel Interfaces to terminate VPN tunnels, that way traffic can be routed down various different tunnels based on a destination, (which can be looked up in a routing table). But Cisco ASA now supports Virtual Tunnels Interfaces (After version 9.7(1)) Advantages RE: VPN tunnel keeps dropping connections/sessions Helenp1983 (MIS) 28 Nov 07 08:40 With our old firebox III/1000 we use to setup a ping -t from one of our servers to cross the VPN to keep it open Dec 02, 2014 · If the VPN goes down or drops information it would cause the clients to use a 2nd or third dns server. Causing the issues. Reseting the ASA might be bringing the tunnel up back up. Keep an eye on the logs. It should be pretty easy to spot if the VPN goes down. If your VPN tunnel keeps going down it may be due to a larger problem (unstable ISP)
A configured router added to a session establishes a VPN tunnel to Cisco dCloud automatically when your session is active. This process is typically transparent and reliable. In situations where you are unsure if the VPN tunnel is established or for additional information when troubleshooting, use the steps on this page. Pre-requisites
Hello all..for some reason one of my vpn tunnels seems to go down every few hours. It is connected to a Wacthguard firebox on the other end. Our other tunnel is set up the same exact way and seems very solidwe never have problems with it. Jun 24, 2013 · If there is no interesting traffic going over the tunnel the tunnel can and will be taken down. I believe the timeout for interesting traffic is 4 hours. If no traffic was sourced or destined to the remote-side a VPN can be suspended. We setup our VPN sites in SolarWinds to ping the remote-side IP / Gateway to keep the tunnel up / going.
Now instead of going down every hour or so, it lasts about 7 hours and 30 minutes. Also, I notice the tunnel takes around 10 minutes to start passing traffic once the firewalls show that its up. In other words, I'll reset the tunnel and it shows both IKE and Ipsec are connected, but I can't ping through it until about 10 minutes later.
Jun 20, 2019 · Review your VPN device's idle timeout settings using information from your device's vendor. When there's no traffic through a VPN tunnel for the duration of your vendor-specific VPN idle time, the IPsec session terminates. Be sure to follow vendor-specific configuration guidelines. Apr 23, 2018 · Virtually all VPNs already slow down your Internet connection, but when your VPN connection keeps dropping in the middle of a session, it can cause data loss or disrupt file synchronization. Read below to see a quick an easy fix for this. Feb 21, 2014 · VPN Tunnel going down We have a VPN tunnel set up with another company. They have cisco we have a fortigate 80c. If nobody is actively using the tunnel, all the subnets will go down and I cannot activate them from my side. We have to email their tech and he pings our machine from each subnet and that brings the individual subnets back up. Jun 27, 2020 · Use the following steps to assist with resolving a VPN tunnel that is going up and down. Note: If your VPN is down, then go to KB10100 - Resolution Guide - How to troubleshoot a VPN tunnel that is down or not active. If your VPN is going up and down, then proceed with the following steps. Does the issue affect one VPN or all configured VPNs? I managed to setup a site-to-site VPN connection from Amazon VPC to a company's network, and after a lot of configuration it was working fine, but now i realized that the VPN tunnel is DOWN every time there's no traffic going trough for a couple minutes.