Fortigate ipsec tunnel inactive Check the encapsulation setting: tunnel-mode or transport-mode. The mode is set to dialup forticlient. On the next windows, right click on the tunnel > Bring UP > All Phase 2 selectors. To configure IPsec tunnel idle timeout: config vpn ipsec phase1-interface edit p1 set idle-timeout [enable | disable] set idle-timeoutinterval <integer> IPsec tunnel idle timeout in minutes (10 - 43200). end . Both FortiGates are in HA pair, active-passive. No NAT is required. 172) Resuming sessions for IPsec tunnel IKE version 2 VPN IPsec troubleshooting Understanding VPN related logs IPsec related diagnose commands SSL VPN SSL VPN to dial-up VPN migration SSL VPN best practices Jun 2, 2010 · VPN IPsec troubleshooting. 3. ' Phase2 of your tunnel will become inactive if there is no matching traffic to keep the tunnel active. Reproduction : I use the GUI not the CLI. Remote Access—On-demand tunnel for users using the FortiClient software or Cisco IPsec client, for iPhone/iPad users using the Sep 20, 2023 · This article describes the issue if the IPSec tunnel has Phase 1 and Phase 2 selectors as up but the route related to the tunnel shows inactive in the routing table. CLI method: execute vpn ipsec tunnel up <Phase2 name> diag vpn tunnel up <phase2 name> If the IPsec tunnel Phase2 went up, it means that the configuration is correct and has Quick introduction into FortiGate VPN troubleshooting tools along with 5 sample scenarios that you may run into when deploying. Scope: FortiGate. IPsec tunnel does not come up. Then, your tunnel should be up! Figure 4. So I investigated more and tryed to upgrade the FortiGate to v7. ScopeNP6xlite models using firmware before v7. C 192. 168. next -- without this it won't actually take the config end Oct 30, 2017 · Use the FortiGate VPN Monitor page to see whether the IPsec tunnel is up or can be brought up. Because the management tunnel can only be up for the primary device. 0/24 is directly connected, VPN-1 Apr 20, 2020 · はじめに Fortigateで IPsec VPNを利用している場合のトラブルシューティングについて、メーカーの Knowledge Baseや Handbookなどから情報を集めまとめてみました。 参考URLについては、記事末尾にリンクを貼ってます。 情報収集 トラブルシューティングを行う前に、以下の情報を確認しておきます。 VPN To verify the IPsec VPN tunnel on a branch FortiGate: Go to Dashboard > Network and click the IPsec widget to expand it. The process responsible for the negotiating phase-1 and phase-2: &#39;IKE&#39;. Scope . Feb 18, 2021 · how to troubleshoot basic IPsec tunnel issues and understand how to collect data required by TAC to investigate the VPN issues. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : Jun 1, 2021 · This article describes how FortiGate is selecting a gateway for static routes via an IPsec VPN tunnel. Use the following steps to assist with resolving a VPN tunnel that is not active or passing t Verifying IPsec VPN tunnel status To verify IPsec VPN tunnel status: Go to VPN Manager > Monitor. 1. Oct 25, 2019 · A troubleshooting scenario where the following debugs were done, but no relevance was seen for the tunnel seen as 'inactive': In the GUI, the tunnel interface is 'green'. The symptom I am troubleshooting is why the new tunnel interface remains inactive. VPN Tunnel Issues: Frequent Tunnel Downtime: Use diagnose vpn tunnel list to check tunnel Jan 9, 2025 · I have this issue. FortiGate. diagnose debug enable . 35: Verify the status of the tunnel Resuming sessions for IPsec tunnel IKE version 2 VPN IPsec troubleshooting Understanding VPN related logs IPsec related diagnose commands SSL VPN SSL VPN to dial-up VPN migration SSL VPN best practices Nov 24, 2024 · NPU can be disabled on the tunnel on both sides to force the FortiGate to process the network traffic by CPU by running the following commands: On FortiGate1: config vpn ipsec phase1-interface. 2. Could this be the reason for the tunnel being inactive? On occasion, we run into trouble where the Colo 200e cluster shows IPsec VPN as inactive, but the remote FortiGate shows the link active. Check Phase 1 (IKE) Status. 172) Feb 12, 2023 · When no traffic has passed through the tunnel for the configured idle-timeout value, the IPsec tunnel will be flushed. Solution: This is due to an issue where the IKED daemon is not communicating correctly with the FNBAMD daemon for authentication when the xauthtype is set to chap or pap. config user local edit "test" set type password Jan 20, 2025 · I have this issue. If the tunnel is down, the next step is to investigate the Phase 1 (IKE) status using Mar 15, 2022 · IPsec tunnel is showing inactive why and what can be issue behind it, could you please provide any solution on. Jul 19, 2019 · Use the FortiGate VPN Monitor page to see whether the IPsec tunnel is up or can be brought up. fast router and when the IPsec tunnels disconnected I could reboot either the Forti or the Briged Router and then the tunnel came up again. To bring tunnels up or down: Go to VPN Manager > Monitor. Mar 3, 2025 · The password can be added to the users the same way the preshared key was added to the IPsec tunnel. Apr 7, 2021 · I have setup an IPsec VPN, followed all configurations that i got from " FortiClient as dialup client | FortiGate / FortiOS 6. Please ensure your nomination includes a solution within the reply. Interface May 12, 2025 · This article describes an issue where an IPsec tunnel phase2 will not come up due to a Phase 2 Perfect Forward Secrecy PFS settings mismatch. My FortiGate was connected to a briged G. 15 build2095) Fortinet tunnel is showing inactive state Reproduction : I use the GUI not the CLI. Solution: An IKE debug shows the following messages: 2025-03-12 13:04:04. To verify Internet traffic is forwarded to FortiSASE: In the FortiGate CLI, check the Public/WAN IP address: Verifying IPsec VPN tunnel status To verify IPsec VPN tunnel status: Go to VPN Manager > Monitor. You can do this using this command: get vpn ipsec tunnel summary This will display a list of configured VPN tunnels and their current state (up or down). This absence of traffic can lead to the IPsec tunnel going down due to inactivity. Using the Cookbook, you can go from idea to execution in simple steps, configuring a secure network for better productivity with reduced risk. Jan 9, 2025 · I have this issue. I assigned this user to a vpn group. Mar 19, 2025 · a workaround to solve the issue of VPN IPsec tunnel instability after upgrading to FortiOS v7. DPD ne maintient pas la phase 2 d'un tunnel active, car DPD est utilisé pour détecter un homologue défaillant pour ensuite basculer vers un homologue secondaire, d'où le nom de « détection d'homologue mort ». I have FG 201F at main building and an 81F at a single remote branch. The tunnels may be Down. 9, v7. I created a vpn user 2. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : IPsec VPN to Azure with virtual network gateway IPsec VPN to an Azure with virtual WAN IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets Cisco GRE-over-IPsec VPN Remote access FortiGate as dialup client May 29, 2017 · we have a Fortigate 600D. Remote Gateway: This option is set to Static IP Address for a remote peer that has a static IP address. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : I just moved off Sonicwall to FortiGate. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : Oct 19, 2020 · execute vpn ipsec tunnel up <phase2> <phase1> <serial> If doesn't work, you can debug the ike application to troubleshoot the issue: diagnose vpn ike log filter name <phase1-name> diagnose debug application ike -1. Check the logs to determine whether the failure is in Phase 1 or Phase 2. Then, go to your IPsec Tunnels and double click on Inactive. The name of the IPsec tunnel cannot be changed. Go Network -> Interfaces -> Choose the tunnel 'right click', select option set status then choose to disable to bring down the tunnel. Select the tunnels with a Down status and click Bring Tunnel Up from the toolbar. 0:00 Overview/Topology0:42 Tro Mar 11, 2025 · the misordering of the address member configured in &#39;dst-name&#39; in IPsec phase 2 in the secondary as the cause of the phase 2 tunnel status being down in the secondary. May 7, 2024 · The first step is to check the current status of the VPN tunnel. 15 build2095) Site to Site—Static tunnel between a FortiGate unit managed by a FortiProxy unit and a remote FortiGate unit or a static tunnel between a FortiGate unit managed by a FortiProxy unit and a remote Cisco firewall. Monitor the VPN-Tunnel. Note that this workaround only works for NP6xlite models. You can also bring the tunnels up or down on this pane. This issue can happen to both remote access and site-to-site tunnels. The tunnel is inactive, and the sniffer shows that the traffic is not passing through the tunnel: FortiGate-61F # diagnose sniffer packet any 'host 10. With the command "get route info routing-table all" the static isn't shown, too. Remove any Phase 1 or Phase 2 configurations that are not in use. FortiGate 40F (v6. 15 build2095) Fortinet tunnel is showing inactive state. Network: Select Edit to make changes. Solution. [2] 2. 37 and icmp' 4 0 l DPD does not keep phase 2 of a tunnel active, as DPD is used to detect a failing peer to then fail over to a secondary peer, hence the name 'dead peer detection. Solution The issue is phase 2 status of IPsec tunnels is displayed as down in the secondary. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : -> h Jan 12, 2025 · I have this issue. 8. Solution: This article goes over troubleshooting for a route for the IPSec tunnel showing inactive even though the IPSec tunnel is up. If the device is not in an HA clu The page provides guidance on troubleshooting IPsec VPN issues for FortiGate devices, including common problems and solutions. Verifying IPsec VPN tunnel status To verify IPsec VPN tunnel status: Go to VPN Manager > Monitor. In the earlier version, the static route when configured via IPsec VPN tunnel showed up as a connected route in the output of '# get router info routing-table details'. 34: Bring up IPsec Tunnel Figure 4. Solution Collect the output of the following commands: SSH1: fnsysctl cat / Apr 6, 2023 · GUI example: Tunnel name: Internet. Check the encapsulation setting: tunnel-mode or transport If your FortiGate unit is behind a NAT device, such as a router, configure port forwarding for UDP ports 500 and 4500. I created a vpn user. edit VPN1 set npu-offload disable. Only one of the sites views these systems as critical, so disruptions can go a while before being noticed by an end-user of other locations. Nominating a forum post submits a request to create a new Knowledge Article based on the forum post topic. Take the following configuration from the old FortiGate and paste it under the new FortiGate, or copy and paste the encrypted password on the new FortiGate user's local CLI after 'set passwd ENC'. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : Jan 12, 2025 · I have this issue. IP Version: This option is set to IPv4. May 2, 2025 · FortiGate. May 22, 2024 · IPsec VPN Troubleshooting in Fortigate firewall - Follow below steps to troubleshoot this kind of issue-1. 33: Configure IPsec Tunnels. 1. With the command "get route info routing-table all" the static route is shown as IKEv2 IPsec site-to-site VPN to an AWS VPN gateway IPsec VPN to Azure with virtual network gateway IPsec VPN to an Azure with virtual WAN IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets Cisco GRE-over-IPsec VPN The ipsec tunnel source interface is a wan one and the destination is an internal lan. Comments: An optional description of the IPsec tunnel. La phase 2 de votre tunnel deviendra inactive s'il n'y a pas de trafic correspondant pour maintenir le tunnel actif. Then for the traffic coming from the VPN Tunnel going to the Port of your destination Subnet. Check that the encryption and authentication settings match those on the Cisco device. ScopeFortiGate. IP Address: Enter the IP address of the remote peer. Regards, Mauro. Results: From the earlier example, keep the internet IPsec tunnel down so it is possible to bring the tunnel up. edit VPN2 set npu-offload disable. Solution If the device is in HA cluster, then it is expected that the secondary device will show inactive. 16, v7. Discovery-kvm67 # con system interface VPN IPsec troubleshooting. Find and select the tunnel or tunnels that you need to bring up or down in the We would like to show you a description here but the site won’t allow us. Jul 22, 2020 · Nominate a Forum Post for Knowledge Article Creation. This would be the traffic defined in your phase 2 selectors. 4. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : Nov 2, 2023 · Why would an IPsec tunnel not come up? I have configured such a tunnel copying a production setup I know to be working. I used th VPN wizard to create an Dialup FortiClient (Windows, Mac OS, Android) : Jan 9, 2025 · Hello All, I have this issue. Feb 3, 2025 · FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. 6 and the Firmware of the bridged router but without success. Click OK to confirm in the Bring Tunnel Up dialog. 2. To verify Internet traffic is forwarded to FortiSASE: In the FortiGate CLI, check the Public/WAN IP address: Figure 4. Verify configuration: config vpn ipsec phase1-interface edit The Fortinet Cookbook contains examples of how to integrate Fortinet products into your network and use features such as security profiles, wireless networking, and VPN. It is necessary to validate if chap or pap, and if so, change the configuration to use 'auto' instead. . I can ping from the 40F CLI over the internet to the underlay tunnel endpoint (. Select a specific community from the tree menu to show only that community's tunnels. Related articles: Go to VPN Manager > Monitor to view the list of IPsec VPN tunnels. IKEv2 IPsec site-to-site VPN to an AWS VPN gateway IPsec VPN to Azure with virtual network gateway IPsec VPN to an Azure with virtual WAN IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets Cisco GRE-over-IPsec VPN Oct 31, 2023 · Why would an IPsec tunnel not come up? I have configured such a tunnel copying a production setup I know to be working. See the following IPsec troubleshooting examples: Understanding VPN related logs; IPsec related diagnose commands Apr 26, 2023 · First for the traffic going to the VPN Tunnel from the Port of your Subnet. To check the VPN tunnel health, it is necessary to add a new Dashboard-Widget called IPsec. See the following IPsec troubleshooting examples: Understanding VPN related logs; IPsec related diagnose command IKEv2 IPsec site-to-site VPN to an AWS VPN gateway IPsec VPN to Azure with virtual network gateway IPsec VPN to an Azure with virtual WAN IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets Cisco GRE-over-IPsec VPN Policy-based IPsec tunnel IKEv2 IPsec site-to-site VPN to an AWS VPN gateway IPsec VPN to Azure with virtual network gateway IPsec VPN to an Azure with virtual WAN IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets Jan 13, 2025 · I have this issue. Aug 13, 2024 · Go to VPN -> IPsec Tunnels and select 'Inactive' under Status. But the static route is not active. See the following IPsec troubleshooting examples: Understanding VPN related logs; IPsec related diagnose commands Sep 12, 2023 · I want to establish and maintain an IPsec connection between the client on the left side and a proxy server on a VPN client, even when the VLAN interface, where the proxy server resides, is not physically connected to a switch or client that generates traffic. Verify the IPsec tunnel that is established with the SD-WAN On-Ramp location. Solution: When setting up an IPsec dial-up VPN on the second WAN link in the dual wan scenario, the tunnel cannot be established as same as on the primary wan. 0+. I assigned this user to a vpn group 3. I have attached snaps for clarity. The 81F connects back to the main site (with the domain controllers and other servers) over site to site VPN tunnel. Scope: FortiGate v7. First, ver Oct 16, 2023 · the scenario where FortiGate is showing inactive in the FortiGate Cloud. 084852 ike 0::64181:12:374663: incoming Sep 12, 2023 · I want to establish and maintain an IPsec connection between the client on the left side and a proxy server on a VPN client, even when the VLAN interface, where the proxy server resides, is not physically connected to a switch or client that generates traffic. Doing it from the GUI indeed just automatically brings it back up if it can. To verify the IPsec VPN tunnel on a branch FortiGate: Go to Dashboard > Network and click the IPsec widget to expand it. FortiOS is version 7. You can simply manually disable/shutdown a VPN tunnel through CLI. 3 | Fortinet Document Library ", but once i am done it says my VPN is Inactive i tried to bring it up by going to IPsec Monitor under Monitor but it does not even appear there. I can't see it under Monitor > Routing Monitor. On FortiGate2: config vpn ipsec phase1-interface. VPN IPsec troubleshooting. 0. Browse FortiGate 40F (v6. I've created a new IPSec Tunnel, and, for this tunnel, a static route. Check the tunnel status from the Status column. next end Aug 18, 2024 · Description: This article describes a solution for the IPsec tunnel not coming up on secondary WAN in a dual WAN setup. ScopeFortiGate. config system interface edit <tunnel name> set status down. If a duplicate instance of the VPN tunnel appears on the IPsec Monitor, reboot your FortiGate unit to try and clear the entry. A nother window will pop up, then it will be possible to right-click on the tunnel and select Bring Up. myqait jnese ftlpoi prjwr wdur iseilt hwtwcg nxkap uwn ibklzpa