Debug Command -1 :" diagnose vpn tunnel list name <Phase-1 or phase2-name>" To view the phase-1 or 2status for a specific tunnel. Please refer the debug output screenshot that I have attached . Common reasons for VPN tunnel inactivity or instability on a customer gateway device include: Problems with Internet Protocol Security (IPsec) dead peer detection (DPD) monitoring. I have a challenge to connect two small networks with same subnet with different static IPs using IPSec VPN tunnel without NAT. SA bit need to be 1 for successful SA establishment. With this configuration I was able to provide Redundant ISP connection to the Server hosted in the HQ_Data Centre to mitigate ISP link fail over and Load balancing. There was no echo reply so I have checked the Int status and observed that it is down. IPsec provides data integrity, basic authentication and encryption services to protect modification of data and unauthorized viewing by using Authentication Header (AH), Encapsulating Security Payload (ESP) and Internet Key Exchange (IKE) protocols. Click Edit. All the best! 03-16-2022 However, the user is not able to access the data as the IPsec tunnel is down due to multiple issues. Also, I made a NAT configuration error due to which NAT mode is unique and the tunnel is not establishing. redistribute ospf<>bgp but only to 1 BGP neighbor? Template Type. Copyright 2022 Fortinet, Inc. All Rights Reserved. From debug commands, I have observed that there is a SA negotiation failure in phase-2 and I noticed that there is an encryption algorithm mismatch in Phase-2 settings. 01:27 AM. Presumably if you don't want it to come up then just change the peer IP to something else. Very useful information. SDWAN load Balancing is also covered in it. Hope the policies are in place for the tunnel to come up. IPsec tunnels. An optional . 11:38 PM Estou fortigate 60-F com 10 tunnel com outros firewall ogasec, e com Mikrotic apresenta esse erro. If still not able to figure it out you need to run the ike debugs. ; Name the VPN. Fortinet is showing tunnel as inactive.I am very confused. The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. Enter a unique descriptive name (15 characters or less) for the VPN tunnel. Select IKE Version 2. Click Create New > IPsec Tunnel, give the tunnel a name and select Template type, Custom. 07-29-2022 so I'm bumbling around trying to fill his shoes with my limited networking experience and my one FortiNet presentation. Idle timeouts due to low traffic on a VPN tunnel or vendor-specific customer gateway device configuration issues. How do I get it to stop coming back up automatically? Configure the following settings in the Edit VPN Tunnel page. Use the FortiGate VPN Monitor page to see whether the IPsec tunnel is up or can be brought up. In the Gateway Endpoint section, select Start Phase 1 tunnel when it is inactive. Link the VPN Credentials to a Location. The tunnels may be Down. So I have configured .So I have created Firewall policies at both ends to allow UDP and other traffic to form a IPsec Tunnel. You need the FQDN and PSK when linking the VPN credentials to a location and creating the IKE gateways. Select Site to Site, Remote Access, or Custom: Site to Site Static tunnel between a FortiGate unit managed by a FortiProxy unit and a remote FortiGate . Check the logs to determine whether the failure is in Phase 1 or Phase 2. Created on Security Association Negotiation Failure: After Troubleshooting the SA Negotiation Issue we get following debug o/p of successful SA Negotiation : After performing all the above troubleshooting steps I have observed that the user can access the data from the server in the HQ_Data Centre . The data path between a users computer and a private network through a VPN is referred to as a tunnel. In transport mode, the IP addresses in the outer header are used to determine the IPsec policy that will be applied to the packet. next -- without this it won't actually take the config end. To create the VPN, go to VPN > IPsec Wizard and create a new tunnel using a pre-existing template. Lab Topology: ( I have used GNS3,Fortigate 6.4 Image,Wireshark,CiscoIoS Router, Internet Cloud in this lab). 10:02 AM. A user in the local NW of the Branch office (192.168.10.0/24) is trying to access the app_data of a server (192.168.12.0/24) in the HQ Data Centre site. To verify IPsec VPN tunnel status: Go to VPN Manager > Monitor. Created Policies to allow all traffic and Disabled NAT at both ends : Finally, the IPsec Tunnel is active in both Firewalls(Sites).However, from the GUI mode I can see that data is not getting exchanged over IPsec Tunnel. You use the VPN Wizard's Site to Site - FortiGate template to create the VPN tunnel on both FortiGates. It operates in Transport and Tunnel Mode. I can't use NAT (as described in cookbook) because the nodes have to communicate using their . 05:23 AM. Edit an IPsec tunnel. Thank you for your support in advanced. The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. 8 hours), detect idle tim This site uses cookies. . I get still error log on my Mikrotik with information: 192.168.1.111 failed to pre-process ph2 packet. To configure the IPSec VPN tunnels in the ZIA Admin Portal: Add the VPN Credential. 03-12-2022 Click OK to confirm in the Bring Tunnel Up dialog. Press question mark to learn the rest of the keyboard shortcuts. Another way is to disable the policies and down it in the vpn monitor. proxyid=To_Site_A proto=0 sa=0 ref=2 serial=3, Debug Command -2 : "diagnose vpn ike log filter name ", Debug Command -3 : "diagnose debug app ike -1". I get still error log on my Mikrotik with information: I am very confused. IPsec tunnel does not come up. Check the tunnel status from the Status column. When it comes to remote work, VPN connections are a must. Click Save. Select Add this tunnel to the BOVPN-Allow policies. Appreciate your lab work and article. 03-15-2022 Select an IPsec tunnel and then select Edit to open the Edit VPN Tunnel page. Created on It's a really informative lab work. Due to mismatch in the preshared key IPsec peers are not able to authenticate each and other hence the security association is not negotiated . I rechecked the MTU size at both ends from logs and made sure it is same. IPsec tunnel does not come up. Before going into the Lab topology I would like brief about the IPsec VPN Tunnel formation and the type of messages exchanged in IKE Phase -1 and IKE Phase-2 . Like a physical tunnel, the data path is accessible only at both ends. no debug sniffer e pacote vai e volta mas erro esta igual tunnel fase no fechar permance. 12:01 AM. SD-WAN Feature in FortiGate Firewall ,Redundant ISP Connection on SD-WAN Interface to mitigate link failover and perform traffic load balancing on two ISPs. To view or add a comment, sign in Thanks for zour advice :) This is output from Fortigate: Phase 1 shows estabilshed, but phase two has some problem:-notify msg recieved: NO-PROPOSAL CHOSEN-no matching IPsec SPI . If that part is matching, I think Mikrotik side should at least respond with the matching selector set with a proposal for other parameters. 03-12-2022 To set up an IPsec VPN: Go to VPN > IPsec Wizard. Login into Fortinet and navigate to VPN > IPsec Tunnels. Created on Copyright 2022 Fortinet, Inc. All Rights Reserved. Otherwise as long as there's traffic it's going to keep trying to bring it up. I have used the above command in the the FortiGate CLI at Data Centre site. I have also found a very similar topic on last line: But i don'tunderstandwhere t change this mode.and problem is Mikrotik or Fortinet? IPsec tunnel is showing inactive why and what can be issue behind it, could you please provide any solution on it. So I went back to the GUI mode of both Firewalls in two sites and made sure the Phase -1 Settings are same on both ends. Set Template to Remote Access, and set Remote Device Type to FortiClient VPN for OS X, Windows, and Android.. Set the Incoming Interface to wan1 and Authentication Method to Pre-shared Key. From the debug msg I have observed that Security Association bit "SA -0 " indicates there is mismatch between phase -1 selectors in IPsec peers or no traffic is being initiated. I have used the above command in the the FortiGate CLI at Data . In this example, one FortiGate is called HQ and the other is called Branch. You just need to admin down that interface and it will take down the VPN. Edit the Phase 1 Proposal (if it is not available, you may need to click the Convert To Custom Tunnel button). But i don'tunderstandwhere t change this mode.and problem is Mikrotik or Fortinet?Can you give me some advice please?Thank you very much for any advice. In tunnel mode, New IP header is added to provide extra layer of protection by defining Security policy to the inner IP packet. https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-IPSEC-Tunnel-debugging-IKE/ta-p/1900 Alguma soluao para esse problema com esse. 03:53 PM. Join Firewalls.com Network Engineer Matt as he shows yo. You can simply manually disable/shutdown a VPN tunnel through CLI. Debug Command -1 :" diagnose vpn tunnel list name " To view the phase-1 or 2status for a specific tunnel. Local ID The tunnel ID created in step 5 of Configure Umbrella. So the Phase -1 IKE version, Pre-Shared Key, Authentication Algorithm, Encryption algorithm, Diffie Hellman group need to be configured as same in IPsec Peers. Some are essential to the operation of the site; others help us improve the user experience. Select the tunnels with a Down status and click Bring Tunnel Up from the toolbar. I have prepared the following diagrams which is specific to Lab topology . Thanks for sharing. I have checked everything 100times, so Authentication, encryption and also DH are the same on both sides. ike 0:Tunnel-mkt:2: send IKEv1 DPD probe, seqno 56 Good work with the topology and troubleshooting approach. To do so, type the below . Phase 1 shows estabilshed, but phase two has some problem: ike 0:Tunnel-mkt:2: send IKEv1 DPD probe, seqno 56ike 0:Tunnel-mkt:2: enc BB1CB51579F0C7A2040551337556406808100501039978E8000000500B0000141592FDEF9860E9A3A532C3078077756E000000200000000101108D28BB1CB51579F0C7A2040551337556406800000038ike 0:Tunnel-mkt:2: out BB1CB51579F0C7A2040551337556406808100501039978E80000005C30F8FB19C433CC8F6FF338FCBBF295E0E039A7DC75BFFE044E926A13448729618B004E118D3D3A5F6849AA6D820C7A1D060F36B0E4DC1EA62B11A49CC0D86E5Eike 0:Tunnel-mkt:2: sent IKE msg (R-U-THERE): 192.168.1.111:500->192.168.1.198:500, len=92, id=bb1cb51579f0c7a2/0405513375564068:039978e8ike 0: comes 192.168.1.198:500->192.168.1.111:500,ifindex=5.ike 0: IKEv1 exchange=Informational id=bb1cb51579f0c7a2/0405513375564068:a11d729a len=92ike 0: in BB1CB51579F0C7A2040551337556406808100501A11D729A0000005CF99A37C75442D6D4C48216FD9F7C97110BCCA2AF69A1C2A1553268C4814D1E3E1AAEDA450D9A953218C878E4B2032DB959E7298F8B7765A6B03764455E2ADB97ike 0:Tunnel-mkt:2: dec BB1CB51579F0C7A2040551337556406808100501A11D729A0000005C0B0000140356AD338ACB125B4E649BBE66E1F11A000000200000000101108D29BB1CB51579F0C7A204055133755640680000003839AB96B8B0237D215FA43C0Bike 0:Tunnel-mkt:2: notify msg received: R-U-THERE-ACKike 0:Tunnel-mkt:Tunnel-mkt: IPsec SA connect 5 192.168.1.111->192.168.1.198:0ike 0:Tunnel-mkt:Tunnel-mkt: using existing connectionike 0:Tunnel-mkt:Tunnel-mkt: config foundike 0:Tunnel-mkt:Tunnel-mkt: IPsec SA connect 5 192.168.1.111->192.168.1.198:500 negotiatingike 0:Tunnel-mkt:2: cookie bb1cb51579f0c7a2/0405513375564068:88f717d8ike 0:Tunnel-mkt:2:Tunnel-mkt:290: initiator selectors 0 0:192.168.11.0/255.255.255.0:0:0->0:10.10.1.0/255.255.255.0:0:0ike 0:Tunnel-mkt:2: enc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 0:Tunnel-mkt:2: out BB1CB51579F0C7A204055133755640680810200188F717D80000016C8F55D5E1F0ECB327B7BDDFD173E46FE3052FA1259EF424E0B53883AE8941A6A912B008BC163F1C2C2473AACCC385B4B64A968206DE67A753766F19080574E1127612C959DC71494D4EADED6E47D04C8C860810971AD3A40B017B1DCF19E8357F35B2C8B83495188C57FF27E9FB8C8AB59A4DAF9C13C8CEF6614F78E9253CD903654385147B7F3A47698F8BB0F1CF46E33ED2FE2AFFE333BB7FF8BB36270123B6304DBB9D3AE21B06B02083B3A5D4915A892607F6AACC07096788088AC9B037F3937074D215B1ADFD58BB6D7A9860C4BAA4B7F9366CFE2CE9A7A5C28768275E32753A0D30180F40C20FE746949E2828FB17805539A8C750F83970BD43AFB4A27302575B65FC756FE51AB60D06421A96CDE79040CFEE628038F7A333372970E86E09C8F00BF535A4034332D21F18099FEBE5646767548A81F2B2F7E2EC7C4F54C375A9AB9856C812FBBAAB302C75BA5F5Aike 0:Tunnel-mkt:2: sent IKE msg (quick_i1send): 192.168.1.111:500->192.168.1.198:500, len=364, id=bb1cb51579f0c7a2/0405513375564068:88f717d8ike 0: comes 192.168.1.198:500->192.168.1.111:500,ifindex=5.ike 0: IKEv1 exchange=Informational id=bb1cb51579f0c7a2/0405513375564068:d01498c4 len=76ike 0: in BB1CB51579F0C7A2040551337556406808100501D01498C40000004C4958B5183E87B8AA4608C186B18FEACCA6D659CC8319D564B13A46F3F8B2336C64D519C39662D57F5113665D770C659Dike 0:Tunnel-mkt:2: dec BB1CB51579F0C7A2040551337556406808100501D01498C40000004C0B000014CB61B33517852CA0898B32C959B50B1B0000000C000000010100000ED08DA956FD99234B75474E7C8EEC4E0Fike 0:Tunnel-mkt:2: notify msg received: NO-PROPOSAL-CHOSENike 0:Tunnel-mkt:2:: no matching IPsec SPIike 0:Tunnel-mkt:2:Tunnel-mkt:290: delete phase2 SPI a9004645ike 0:Tunnel-mkt:Tunnel-mkt: IPsec SA connect 5 192.168.1.111->192.168.1.198:0ike 0:Tunnel-mkt:Tunnel-mkt: using existing connectionike 0:Tunnel-mkt:Tunnel-mkt: config foundike 0:Tunnel-mkt:Tunnel-mkt: IPsec SA connect 5 192.168.1.111->192.168.1.198:500 negotiatingike 0:Tunnel-mkt:2: cookie bb1cb51579f0c7a2/0405513375564068:574338e6ike 0:Tunnel-mkt:2:Tunnel-mkt:291: initiator selectors 0 0:192.168.11.0/255.255.255.0:0:0->0:10.10.1.0/255.255.255.0:0:0ike 0:Tunnel-mkt:2: enc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 0:Tunnel-mkt:2: out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 0:Tunnel-mkt:2: sent IKE msg (quick_i1send): 192.168.1.111:500->192.168.1.198:500, len=364, id=bb1cb51579f0c7a2/0405513375564068:574338e6ike 0: comes 192.168.1.198:500->192.168.1.111:500,ifindex=5.ike 0: IKEv1 exchange=Informational id=bb1cb51579f0c7a2/0405513375564068:e8ad859e len=76ike 0: in BB1CB51579F0C7A2040551337556406808100501E8AD859E0000004C5FAF8B7C7410FDF5B67FE93460C6852D4B04C25860948013607180B5C6BAB1ED98A7C5C06E1DAF4258C87A446ED8D094ike 0:Tunnel-mkt:2: dec BB1CB51579F0C7A2040551337556406808100501E8AD859E0000004C0B0000143401BF012C09B30D82BC7AB09A1843820000000C000000010100000E0597C1E7F57312C8ACEE3196BB45180Fike 0:Tunnel-mkt:2: notify msg received: NO-PROPOSAL-CHOSENike 0:Tunnel-mkt:2:: no matching IPsec SPIike 0:Tunnel-mkt:2:Tunnel-mkt:291: delete phase2 SPI aa004645, Created on Technical Marketing Engineer vs Product Manager with a Press J to jump to the feed. VS Hyphens (-). Note: Logs & reports feature in Fortinet GUI will give the debug msg report as well. Enterprise Networking -- Check the logs to determine whether the failure is in Phase 1 or Phase 2. What are your best tips for getting junior techs to give 1Gb Multimode Optics Constantly Burning Out. Click Refresh from the toolbar to verify that the tunnels have an updated Up . So I reconfigured NAT so that NAT settings to be same on both ends and both uses UDP Port-500 in this lab. 03-12-2022 Click OK. You'll have an interface on the device for that particular VPN. 2. In the Phase 1 Proposal section, enter your Local ID. Hope my feedback on the post is helpful for your future posts. Use the FortiGate VPN Monitor page to see whether the IPsec tunnel is up or can be brought up. . The nodes sitting on either ends of network are legacy devices that don't have any option to change IP address and subnet. In this configuration example, the peers are using an FQDN and a pre-shared key (PSK) for authentication. Check against the VPN event logs to check if it shows any error. Doing it from the GUI indeed just automatically brings it back up if it can. Check that the encryption and authentication settings match those on the Cisco device. 192.198.1.111 is wan interface of FortiGate. Preshared Key Mismatch Error in following debug O/P: Debug O/P after resolving Pre-shared key mismatch : Step-4:( Phase-2 Troubleshooting, Pre-shared Key, Encryption, Auth Algorithm ,Security Association Negotiation Failure : We knew that In phase -2 IPsec tunnel Peers will perform a Diffie Hellman exchange a second time to generate a secret session key to send encrypted data. The tunnel name cannot include any spaces or exceed 13 characters. 10:58 AM. In the Authentication section, choose Pre-shared Key as the Method and add the key. We can identify it in the IPsec VPN monitoring status of FortiGate Firewall upload and download status. I can also see Fortinet as establishedunder Active Peer on Mikrotik, but in Policies tab i can see problem: no phase2. 09:01 AM, I have very strange problem with creating of IPsectunnel VPN between Mikrotik and FortiGate100D. I'm trying to take down a VPN tunnel but when I tell it to "Bring Down", it comes right back up. But they come in multiple shapes and sizes. However, the IPsec tunnel is not in Active state. Configuring the IPsec VPN. Step-1 ( Verify L2/L3 Connectivity btw Peers):( Refer Pic_1)In the GUI of FortiGate NGFW I observed that IPsec VPN status is Inactive. Check the encapsulation setting: tunnel-mode or transport-mode. : In the Data Centre Site I have configured the Port-4 & Port-5 as SD-WAN Interface and connected it to ISP-1 Gateway(192.168.0.1) and ISP-2 Gateway (172.16.0.1).Load Balancing algorithm - Source IP is set and I have configured the Google server in WAN status check to monitor the traffic load sharing. The Forums are a place to find answers on a range of Fortinet products from peers and product experts. For this, the Encryption, Auth Algorithm, Key Life Time, Diffie Hellman group need to be the same in phase-2 settings in both FortiGate devices in two sites. Edited on Troubleshooting approach is really good. Cisco, Juniper, Arista, Fortinet, and more are welcome. Our network engineer is on vacation (for the next 3 weeks!) Create an account to follow your favorite communities and start taking part in conversations. On the particular output, two VPN tunnels, to10.174..182 & to10.189..182 are visible. I totally fucked up our network core switch and How do you guys describe your role in networking? Fortinet - Mikrotik IPsec VPN Tunnel problem. Go to VPN > IPsec Wizard and create the new custom tunnel or go to VPN > IPsec Tunnels and edit an existing tunnel. 2) Phase 1 checks. So I decided to verify these configurations in my topology. IPsec tunnel is showing inactive why and what can be issue behind it, could you please provide any solution on it. Enterprise Networking Design, Support, and Discussion. Step-3:( Phase-1 Troubleshooting, Pre-shared Key, Encryption, Auth Algorithm .IKE Version Mismatch ,Security Association Negotiation Failure ). After the problematic tunnel has been identified, it will be possible to understand the status of phase 1. To view or add a comment, sign in, This will help me to practice Hemanth Kumar Yetra. packet_whisperer 5 yr. ago. In the telecommuting scenario, the tunnel runs between the FortiClient application on the users PC, or a FortiProxy unit or other network device and the . Hello,I have a question, is it possible if i use (vpn forticlient) with the standard settings (disconnecting the connection after e.g. I have used the above command in the the FortiGate CLI at Data Centre site and from the debug output I have observed that there is a Preshared Key Mismatch from logs. 1. this FGT sent phase2 msg with a selector 192.168.11.0/255.255.255.0->10.10.1.0/255.255.255.0 to the other end. So I checked the inbound and outbound policies observed that Implicit deny statement in both firewalls is dropping UDP traffic. Following diagrams are self explanatory regarding the IPsec process that happens in Phase-1 & Phase-2.Different fields in AH Header and ESP header are depicted. A VPN "tunnel" is the encrypted connection a VPN establishes so that traffic on the virtual network can be sent securely across the Internet. Configure the VPN setup and then select Next: Name. You can simply manually disable/shutdown a VPN tunnel through CLI. 03-13-2022 Created on Cross-verifying the config parameters would be helpful to see if there is any mismatch. 03-12-2022 Doing it from the GUI indeed just automatically brings it back up if it can. Check the encapsulation setting: tunnel-mode or transport-mode. Using an SDR to diagnose WiFi interference with WiFi-Spy FQDN Naming Scheme - Dots (.) IPsec uses UDP Port No-500(Without NAT) and 3500(With NAT) for establishing tunnel. Thanks alot Vijay Kumar, MEng for your feedback. We knew that IPsec is an L3 protocol its imp to have L2/L3 connectivity btw IPsec peers to establish the tunnel. In the IP Sec IKE Phase-1, we understood that Security Associations are exchanged and negotiated, and authenticated between IPsec Peers. Created on I have repeated the above debug commands in FortiGate Cli at Data Centre Site and in each iteration I have identified the error mgs - "Encryption, Auth Algorithm ,IKE Version Mismatch ,Security Association Negotiation Failure "from the debug output. So first thing to check is if Mikrotik end has the selector combination:192.168.11.0/255.255.255.0 and 10.10.1.0/255.255.255.0 with src/dst reversed.The FGT side is src:192.168.11.0/24, dst:10.10.1.0/24. Routers, switches, wireless, and firewalls. Thanks for sharing, Very informative great work!!!! The second VPN tunnel on the list has its selectors in a down state so the focus will be on that tunnel. After you make all of your changes, select OK. I have very strange problem with creating of IPsectunnel VPN between Mikrotik and FortiGate100D. Then it got a "notify msg" from the other end with "NO-PROPOSAL-CHOSEN/no matching IPsec SPI". is 01-28006-0119-20041022, I used this article to setup IPsec VPN on both unit, but after that how do I bring up the tunnel, I have used Forticlient before, there is a " Connect . Click the VPN Routes tab. Check that the encryption and authentication settings match those on the Cisco device. config system interface edit <tunnel name> set status down. The interface is made up and crosschecked whether IPs are configured and reverified the static routes between two sites. Configuring your Local ID. What expectations do you have for your NOC? Step-2:(Verify the Firewall Policies & NAT Mode to allow UDP traffic in both ends ). After each editing a section, select the checkmark icon to save your changes. Then if you keep pining from 10.10.1.0/24 side(Mikrotik side) toward 192.168.11.0/24 while running the ike debug on the FGT, you should be able to see what kind of proposal Mikrotik is sending to the FGT in the debug output. The Forums are a place to find answers on a range of Fortinet products from peers and product experts. Created on Select the BOVPN virtual interface that you created. Instead of verifying the phase -1 settings in GUI I used CLI and debug commands/ messages to identify the problems. Configuration revision control and tracking, Adding online devices using Discover mode, Adding online devices using Discover mode and legacy login, Verifying devices with private data encryption enabled, Using device blueprints for model devices, Example of adding an offline device by pre-shared key, Example of adding an offline device by serial number, Example of adding an offline device by using device template, Adding FortiAnalyzer devices with the wizard, Importing AP profiles and FortiSwitch templates, Installing policy packages and device settings, Firewall policy reordering on first installation, Upgrading multiple firmware images on FortiGate, Upgrading firmware downloaded from FortiGuard, Using the CLI console for managed devices, Viewing configuration settings on FortiGate, Use Tcl script to access FortiManagers device database or ADOM database, Assigning system templates to devices and device groups, Assigning IPsec VPN template to devices and device groups, Installing IPsec VPN configuration and firewall policies to devices, Verifying IPsec template configuration status, Assign SD-WAN templates to devices and device groups, Template prerequisites and network planning, Objects and templates created by the SD-WANoverlay template, SD-WANoverlay template IP network design, Assigning CLI templates to managed devices, Install policies only to specific devices, FortiProxy Proxy Auto-Configuration (PAC)Policy, Viewing normalized interfaces mapped to devices, Viewing where normalized interfaces are used, Authorizing and deauthorizing FortiAP devices, Creating Microsoft Azure fabric connectors, Importing address names to fabric connectors, Configuring dynamic firewall addresses for fabric connectors, Creating Oracle Cloud Infrastructure (OCI) connector, Enabling FDN third-party SSLvalidation and Anycast support, Configuring devices to use the built-in FDS, Handling connection attempts from unauthorized devices, Configure a FortiManager without Internet connectivity to access a local FortiManager as FDS, Overriding default IP addresses and ports, Accessing public FortiGuard web and email filter servers, Logging events related to FortiGuard services, Logging FortiGuard antivirus and IPS updates, Logging FortiGuard web or email filter events, Authorizing and deauthorizing FortiSwitch devices, Using zero-touch deployment for FortiSwitch, Run a cable test on FortiSwitch ports from FortiManager, FortiSwitch Templates for central management, Assigning templates to FortiSwitch devices, FortiSwitch Profiles for per-device management, Configuring a port on a single FortiSwitch, Viewing read-only polices in backup ADOMs, Assigning a global policy package to an ADOM, Configuring rolling and uploading of logs using the GUI, Configuring rolling and uploading of logs using the CLI, Restart, shut down, or reset FortiManager, Override administrator attributes from profiles, Intrusion prevention restricted administrator, Intrusion prevention hold-time and CVEfiltering, Intrusion prevention licenses and services, Application control restricted administrator, Installing profiles as a restricted administrator, Security Fabric authorization information for FortiOS, Control administrative access with a local-in policy, Synchronizing the FortiManager configuration and HA heartbeat, General FortiManager HA configuration steps, Upgrading the FortiManager firmware for an operating cluster, FortiManager support for FortiAnalyzer HA, Enabling management extension applications, Appendix C - Re-establishing the FGFM tunnel after VMlicense migration, Appendix D - FortiManager Ansible Collection documentation. I have also found a very similar topic on last line:viewtopic.php?t=107680. Iam trying to setup IPSEC VPN between two office, both offices are running the same FG-60, one with OS ver 2.8 the other with OS ver3.0, I followed the article titled Gateway to Gateway IPSec VPN Example, Doc No. IPSEC process is nicely explained and configured on Fortigate Firewall . Click Add. So, in the very first step of troubleshooting, I sent a ping from Firewall in branch-office (99.2) to the IPsec tunnel endpoint (99.3) Firewall Int in HQ didnt get any ICMP response. Important point to be noted here is SPI field which points to the respective Encryption and Authentication Algorithms. This example shows you how to create a site-to-site IPsec VPN tunnel to allow communication between two networks that are located behind different FortiGates. I sent a ping to the server in the HQ_LAN NW from the User in branch Ofc NW and observed that ICMP Packets are exchanged. Select OK. Fortinet tunnel is showing inactive state, Fortiview application icon no longer appears. Dear All, Hope I will get reply soon. Rekey issues for phase 1 or phase 2. The name of the IPsec tunnel cannot be changed. In the adjacent text box, type the public IP address of the FortiGate 60E wan1 interface. 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