I will redo and update/close as soon as I can. I need to do something different I think. For IP version, select IPv4. Phase 1: To rule out ISP-related issues, try pinging the peer IP from the PA external interface. Set Up an IPSec Tunnel. To enable this setting, navigate to Network > network profiles > IKE Gateways and open the IKE Gateway relevant to the IPSEC tunnel. If incorrect, logs about the mismatch can be found under the system logs under the monitor tab, or by using the following command: Check if pfs is enabled on both ends. Additional Information Note: If the VPN peer is also Palo Alto device , from the system log it clearly shows the message that negotiation failed likely due to pre-shared key mismatch on the responder. I need to create a better test, thanks for responding so far. > show vpn flow name Then access the ' Advanced Options ' tab and check the box for ' Enable Passive Mode '. > show vpn ipsec-sa tunnel . - edited - edited Make sure to have identical parameters, 4) No need NAT-T (unless your external ipis RFC1918 ip address), 5) When you complete the set up generate the traffic between the sites or use test vpncommand, https://www.youtube.com/watch?v=5xgYhXlnGUw. 1 person found this solution to be helpful. Maybe has something to do with the fact that my two external IPs are on the same subnet issued from my isp (comcast business). Check if the firewalls are negotiating the tunnels, and ensure that 2 unidirectional SPIs exist: > show vpn ipsec-sa Now, enter below information- Name: OUR-IPSEC Tunnel Interface: tunnel.5 IKE Gateway: OUR-IKE-GATEWAY PAN-OS Administrator's Guide. Details1. Configure the Palo Alto Networks Terminal Server (TS) Agent for User Mapping. Create an IKE Crypto profile with the following settings. 08-30-2017 Do I need to set anything for Untrust-L3? I am using the same IKE crypto and IPSec Crypto settings (default and custom). Before running the commands, ensure that the IKE and IPSec crypto profiles are configured on the firewall. In the General tab, select the Policy Type: Site to Site and Authentication Method: IKE using Preshared Secret. 5.2.8.Create IPsec Tunnels. With PPTP and L2TP based VPNs, the MTU is reduced to 1400 (line 758 - 778). At a minimum, the following items need to be known by both parties for the proper configuration of a tunnel: In this example, we will set up a connection from two Palo Alto Networks firewalls with IP addresses of 1.2.3.4 and 6.7.8.9. > clear vpn ipsec-sa tunnel Delete IKEv1 IPSec SA: Total 1 tunnels found. CheckEncryption and Decryption (encap/decap) across tunnelFind the tunnel id using below command: Note: For tunnel monitoring, a monitor status of down is an indicator that the destination IP being monitored is not reachable, off indicates that tunnel monitor is not configured.Note the tunnel id, in this example - tunnel id is139. IPSec Tunnel Restart or Refresh. Run the above commandshow vpn flow tunnel-id , multiple times to check the trend in counter values.Constant increments inauthentication errors, decryption errors,replay packets indicate an issue with the tunnel traffic.When there is normal traffic flow across the tunnel, the encap/decap packets/bytes increment.5. I am noticing that I am able to ping the external IP from one but not the other. Neither have a support or threat license at all and not registered. From the Version drop-down list, select IKEv2. Navigate to Network > Network Profiles > IPsec Crypto and then click Add. Go to Configure >Site-to-Site VPN>IPsec and click Add Under General settings, enter Name. 3) The same applies for P2. It's all route based VPNs. Configure the same pre-shared key (Step 4 and 5) on both side of the tunnel. When both tunnels are up, the primary tunnel takes priority over the secondary tunnel. Subnet Ranges: 25.1.0/24, 172.25.2.0/24, 172.25.3.0/24. Palo Alto Networks Configuration First, we start by doing the configuration on the Palo Alto Networks firewall for the "Office" side. MTU: 1427. The member who gave the solution and all future visitors to this topic will appreciate it! When I ping the other ip, it fails and can tell it is trying to ping it out of the management interface ip, which is totally wrong. Now, In Template Type select Custom and click Next. Set-up-An-IPSEC tunnel (Doc) Path monitoring is the only thing that will remove a static route from the routing table. Initiate VPN ike phase1 and phase2 SA manually.The VPN tunnel is negotiated only when there is interesting traffic destined to the tunnel. If the VPN device has Perfect forward Secrecy enabled, disable the feature. For detailed logging, turn on the logging level to debug: > debug ike global on debug At this time, perform a commit to the firewall to put all of the changes into effect. Resolution This document is intended to help troubleshoot IPSec VPN connectivity issues. 08:35 AM. Things to Know Before You Start Before starting to set up a tunnel, a couple of items need to be decided on each end. VPNs. 08-30-2017 The last part is important for AWS or other cloud providers that have a local/VPC IP issued to the interface that the Palo sees, but the . Retrieve User Mappings from a Terminal Server Using the PAN-OS XML API. Click Lock. Here, you will find all VPN-related logs. Select Activate on save and Create firewall rule. If incorrect, logs about the mismatch can be found under the system logs, or by using the following CLI command: Take packet captures to analyze the traffic. 08-28-2017 Then update the virtual network gateway IPsec policy. Could it be because the interface (on both PA 200s) are configured as layer3 and expecting to route between them? There are two phases to build an IPsec tunnel: IKE phase 1 IKE phase 2 In IKE phase 1, . To check if phase 2 ipsec tunnel is up: GUI:Navigate to Network->IPSec TunnelsGREEN indicates upRED indicates down. Select the Phase 1 Settings tab. 4) No need Proxy-IDs between the Palo`s 4) No need NAT-T (unless your external ip is RFC1918 ip address) 5) When you complete the set up generate the traffic between the sites or use test vpn command 6) Follow the video: https://www.youtube.com/watch?v=5xgYhXlnGUw 1 Like Share Reply Go to solution 9t89m8fu L2 Linker In response to TranceforLife I would say, you need to start with validating your Palo Alto firmware version to check if it is compatible with Azure. Before starting to set up a tunnel, a couple of items need to be decided on each end. Check DPD settings If a VPN peer doesn't respond to three successive DPDs, then the peer is considered dead and the tunnel is closed. Alternatively, you can now define additional security rules limiting the subnets, applications, or ports that you wish to control. Here is the reference document: https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpn-devices#devicetable If you need Azure end logs, you can enable network watcher. I will keep trying, seems fairly straight forward, just matching settings between two PA 200 firewalls. To check if NAT-T is enabled, packets will be on port 4500 instead of 500 from the 5th and 6th messages of main mode. . You will need to know the range (or ranges) of IP addresses on both sides that will need to be able to communicate with each other. Enter a meaningful name for the new profile. By continuing to browse this site, you acknowledge the use of cookies. Step 2. If a clean-up rule is configured, the policy is configured usually from the external zone to the external zone. We . Does the PANOS have to be the same or licensed? 08-30-2017 Once, you click on Add, and another pop-up window will open. Double checked Peer and local ip address. The IKE Initiator is the device initiating the IKE VPN tunnel negotiation request and the IKE Responder is the device receiving the request to establish an IKE VPN tunnel. Both traceroute and tracert must be run from your internal network to an Amazon EC2 instance in the VPC that the VPN is connected to.. 06:15 AM In the VPN Setup tab, you need to provide a user-friendly Name. Encryption: aes-256-gcm Lifetime: 1 hour With this information, we can now begin the process for building the IPSec tunnel. The XML . Use the following steps to set up an IPSec tunnel for your service connection. These IP addresses are not real and just used for the sake of this example. I am able to ping each others respective external IP from each firewall (static IPs assigned to me from ISP in the same subnet). Download PDF. These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole! You also need to know the lifetime for the IPSec crypto profile. > debug ike pcap on They also assume you're running PAN-OS 6, but it's likely similar for other versions. > less mp-log ikemgr.log I've setup an IPSec VPN gateway and connection from my USG 50 to a Palo Alto 3220 firewall. Ensure that pings are enabled on the peer's external interface. (On-demand)In case you want to manually initiate the tunnel,without the actual traffic you could use the below commands.Note: Manualinitiation is possible only from the CLI. Configure the Palo Alto IPSec Tunnel. 1. It's all a shared template on the Palo side, on the Cisco side it is a shared IPSEC profile, 1 works, 1 doesn't. It's on a private line, might as well be directly connected. Withthis option enabled, the firewall responds to incoming connection negotiations as it would normally do, but it will no longer initiate outgoing negotiations. The IKEv2 Tunnel window opens. Maybe try a local true layer3 test first or something else to make this work with these two external IPs I have from ISP that are on same subnet. Palo Alto Configuration These instructions are based off the web interface, but should be easily adaptable to the terminal. Setting up a connection between two sites is a very common thing to do. This skillet is meant to be an easy IPSec tunnel setup that can be replicated for SE POCs, customer environments where hundreds of tunnels need to be configured, and can be leveraged for on-prem tunnels, site-2-site tunnels, and cloud environments. You can also assign the interface to the appropriate Virtual Router and Zone. Why do you think they cannot communicate? Now we will start creating a VPN connection with AWS. (On-demand) In case you want to manually initiate the tunnel, without the actual traffic you could use the below commands. The Citrix SD-WAN solution already provided the ability to break out Internet traffic from the branch. To enable this setting, navigate to Network > network profiles > IKE Gateways and open the IKE Gateway relevant to the IPSEC tunnel. Zone and Interface Go to Network -> Zones -> 'Add' Name: Branch_Zone Type: Layer3 08-30-2017 Once the static routes are in place, set the Security Policy to grant access across the tunnel for the subnets you want to be able to traverse the subnet. PaloAlto-IPSec. Lifetimes do not have to match; they will be negotiated between the peers. Then access the 'Advanced Options' tab and check the box for 'Enable Passive Mode'. Click Add and fill out the fields as follows: Encryption aes-256-gcm Authentication sha256 DH Group no-pfs Lifetime Hours; 1 Click OK and then click Commit. Palo Alto experience is required. Right-click the table and select New IKEv2 Tunnel. Contribute to blurabbi7/Palo-Alto-to-Cisco-IPsec-VPN-tunnel development by creating an account on GitHub. At this point, we have all of the components that we need to build the tunnel, so we can begin that process. > test vpn ipsec-sa tunnel , > debug ike global on debug This document can be used to verify the status of an IPSEC tunnel, validate tunnel monitoring, clear the tunnel, and restore the tunnel. Palo Alto 200 (PA-200) device Public Static IP to assign to PA-200 Azure subscription or trial 1. 08-28-2017 If you believe that all config is matching between the peers then VERY IMPORTANT to initiate the tunnel with "interesting traffic" or with the test vpn command. IPSec Tunnel Go to Network >> IPSec Tunnels and click Add. 01:32 PM, 1) Allow IKE, IPSec protocols to your untrust zone. You also need to know the key lifetime for the IKE crypto profile. Using the same ip on respective default static routes for the gateway. Information about IPsec tunnel gateway IPsec VPN connection on Palo Alto. CheckEncryption and Decryption (encap/decap) across tunnel. Configure Palo Alto VPN Tunnel > test vpn ike-sa gateway We also need to select the IKE profile created in the first step. - edited IKEv2 SAs are inherently independent. Charles Buege, How to Build an IPSec Tunnel Between Two Palo Alto Networks Firewalls, Network -> Network Profiles -> IKE Crypto -> Add, Network -> Network Profiles -> IKE Gateway -> Add, Network -> Virtual Routers -> 10.241 Virtual Router -> Static Routes -> Add, Full Packet Capture for Full Network Visibility, Setting up SSH on a Non-Standard Port Using Certificate Authentication, Palo Alto Networks Next-Generation Firewall. I don't know why they can not communicate. 08-30-2017 As mentioned at the start of this article, connecting two Palo Alto Networks firewalls is very simple and straightforward. This topic provides configuration for a Palo Alto device. Apply debug packet filters, captures or logs, if necessary, to isolate the issue where the traffic is getting dropped. . In the General section, in the Name text box, . > show vpn flow name | match bytes. The LIVEcommunity thanks you for your participation! The configuration was validated using PAN-OS version 8.0.0. I created a separate respective VPN zone for each and security rule to allow any access both ways to my Trust-L3 zone. The other thing which I would suggest is to take the packet capture with the IPSec traffic. In the Name field, give the name of IPSec Tunnel, i.e. Here's a step-by-step process for how to get an IPSec tunnel built between two Palo Alto Network firewalls. If pings have been blocked per security requirements, see if the other peer is responding to the main/aggressive mode messages, or the DPDs. . Clear The following commands will tear down the VPN tunnel: > clear vpn ike-sa gateway Delete IKEv1 IKE SA: Total 1 gateways found. Created respective Tunnel interfaces and included a static route for the remote subnet in each virtual router. > view-pcap no-dns-lookup yes no-port-lookup yes debug-pcap ikemgr.pcap. Peer IP equals the IP address of the Azure connection public IP address (when received after configuration). If your customer gateway device has DPD enabled, be sure that: It's configured to receive and respond to DPD messages. Initiate VPN ike phase1 and phase2 SA manually. Office side Policies -> Security -> AddGeneral tab Name: Office to Branch - Bidirectional, Source tab Source Zone: Internal 10.241 and Branch_Zone, Destination tab Destination Zone: Internal 10.241 and Branch_ZoneClick Ok., Branch side Policies -> Security -> AddGeneral tab Name: Branch to Office - Bidirectional, Source tab Source Zone: Internal 172.25.1_24, Internal 172.25.2_24, Internal 172.25.3_24, Office_Zone, Destination tab Destination Zone: Internal 172.25.1_24, Internal 172.25.2_24, Internal 172.25.3_24, Office_ZoneClick Ok.. Click Accept as Solution to acknowledge that the answer to your question has been provided. Posted by This means the ISP router was creating state entries for the traffic leaving it going to the Palo Alto. Configure tunnel interface, create, and assign new security zone. Thanks for the feedback. > show vpn flow name | match bytes. I don't what I could be doing wrong, but obviously something. Navigate to VPN >> Settings >> VPN Policies and click on Add. The transport mode is not supported for IPSec VPN. Set Up Site-to-Site VPN. Initiate VPN ike phase1 and phase2 SA manually. > view-pcap no-dns-lookup yes no-port-lookup yes debug-pcap ikemgr.pcap Send User Mappings to User-ID Using the XML API. To improve your experience when accessing content across our site, please add the domain to the allow list on your ad blocker application. If incorrect, logs about the mismatch can be found under the system logs under the monitor tab, or by using the command: Check the proxy-id configuration. How to start this course. If encapsulation bytes are increasing and decapsulation is constant, then the firewall is sending but not receiving packets. Azure Configuration. Commit is necessary to enable this change See Also: IPsec resources list owner: ansharma Attachments Other users also viewed: Still stays red. But for some reason when I plug it back into the PA 200 on ethernet/1 it won't ping. Download PDF. Let's access the Monitor >> System and use the filter "( subtype eq vpn )". 08-30-2017 How to create IPSec VPN tunnel between two Palo Alto 200 firewalls? https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClVGCA0&refURL=http%3A%2F%2Fknowledgebase.paloaltonetworks.com%2FKCSArticleDetail, Created On09/25/18 19:10 PM - Last Modified04/20/20 21:49 PM. I've configured like the video, including security rules. Network > IPSec Tunnels. Heres a step-by-step process for how to get an IPSec tunnel built between two Palo Alto Network firewalls. Commit is necessary to enable this change, https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClMZCA0&refURL=http%3A%2F%2Fknowledgebase.paloaltonetworks.com%2FKCSArticleDetail, Created On09/25/18 18:00 PM - Last Modified02/07/19 23:52 PM. It is divided into two parts, one for each Phase of an IPSec VPN. IKE Authetication Method: Select Pre-Shared Key and enter the password in the box next to it. Tried with and without proxy ID, tried with and without NAT traversal, with and without Local/Peer identification (IP address), but still RED. Create an IKEv2 IPsec Tunnel on the CloudGen Firewall Go to CONFIGURATION > Configuration Tree > Box > Assigned Services > VPN-Service > Site to Site. Enable/Disable, Refresh or Restart an IKE Gateway or IPSec Tunnel . Yes, correct. Check out these Fuel blog posts for further reading: Topics: 1. - edited I tried a static route thinking that might help but did not. For Phase 1 of the connectivity, you need to know the DH Group, Authentication, and Encryption. 08:39 AM They are not licensed and different PAN OS, but will keep troubleshooting. Other than the obfuscation of the actual source and destination IP addresses of the tunnel, everything else that follows is real. Create 2 X Gateways for both Tunnels. When such devices receive ESP packets, there is a high possibility they may silently drop them, because they do not see the port numbers to translate. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Check ike phase1 status (in case of ikev1), 4. Run the traceroute utility from a terminal session from Linux. If decapsulation bytes are increasing and encapsulation is constant, then the firewall is receiving but not transmitting packets. Step 1 Go to Network >Interface > Tunnel tab, click Add to create a new tunnel interface and assign the following parameters: Name: tunnel.1 Virtual router: (select the virtual router you would like your tunnel interface to reside) To create go to Network > IPsec Tunnels and click Add. There will also be another article where I will detail the steps necessary for connecting a Palo Alto Networks firewall into Microsoft Azure. Above these instructions, right-click Use this template and open the link in a new tab. First, we start by creating the zone and the interface that we will use for the tunnel on each side. Enter a Tunnel Name. PAN-OS Web Interface Reference. Set Connection type to Site-to-site and Gateway type to Initiate the connection. It is divided into two parts, one for each Phase of an IPSec VPN. Network. With a Palo Alto Networks firewall to another Palo Alto Networks firewall, its even easier. Cannot ping interface, IP or defaul gateway from PA 500 to Cisco switch, Step by Step: Connect Prisma Access to AWS via Service Connection with redundant tunnels and BGP routing. . If you want to use one IPSec tunnel as primary and another as backup, configure more-specific routes for the primary tunnel (BGP) and less-specific routes (summary or default route) for the . Check for any devices upstream that perform port-and-address-translations. It isn't too busy to respond to DPD messages from AWS peers. Set a friendly name for the remote gateway. Create a new IKE Gateway with the following settings. Configure Dial-Out Settings In this section we will configure the following parameters: Type of Server I am calling: select IPSec Tunnel IKEv1 Server IP/Host Name for VPN: Enter Palo Alto's WAN IP address 113.161.93.x. 08:34 AM Office side Network -> Virtual Routers -> 10.241 Virtual Router -> Static Routes -> AddName: Branch-Remote-01Destination: 172.25.1.0/24Interface: tunnel.201Next Hop: NoneThese steps are repeated for Branch-Remote-02 with 172.25.2.0/24 and Branch-Remote-03 with 172.25.3.0/24ss, Branch side Network -> Virtual Routers -> default -> Static Routes -> AddName: Office-Remote-01Destination: 10.241.0.0/16Interface: tunnel.301Next Hop: None. Charles Buege on Jan 7, 2019 12:55:33 PM. If the firewall is passing traffic, then both values should be increasing. I went and bought another used PA 200 from Ebay to go along with my existing one to test my first IPSec VPN connection. Use filters to narrow the scope of the captured traffic. > debug ike pcap off. The IKEv1 RFCs state that peers should agree on the lower of the two proposals. Thank you for reading! You can then repeat this workflow to optionally set up a secondary tunnel. Remember that since the IKE Crypto options are assigned at the IKE Gateways, those options are not available on this screen. 4. Palo Alto Firewall. > less mp-log ikemgr.log. The first tunnel you create is the primary tunnel for the service connection. The Perfect Forward Secrecy feature can cause the disconnection problems. If phase-1 SA is down you would not see the peer IP and the Established status.For ikev2, the IKE Infodetails appear the same, when you click on IKE InfoGUI:ikev2 CLI: 3. Therefore, when the traffic was received back from the Palo Alto, the ISP router could associate it to those state entries created for the ASA. The next step is to set up the necessary static routes so the traffic will traverse the proper tunnel. Was easier to write the message , but you are saying true. Because ESP is a layer 3 protocol, ESP packets do not have port numbers. In a future article, I will be covering how to connect a Palo Alto Networks firewall to a non-Palo Alto Networks firewall what differences there are, what extra steps need to be taken, etc. Make sure above parameters are matching between the peers. Select ESP for the IPsec Protocol. Path monitoring is similar to Cisco IP SLA, the firewall will monitor a defined IP on the other side of the tunnel if that IP become unreacheabe, cause for example the tunnel went down, the . Authentication: Pre-Shared Key Pre-shared Key: LetsConfig Now go to Advanced Options of the same pop-up window and add IKE Crypto Profile as OUR-IKE-CRYPTO (previously created). Messages 5 and 6 onwards in the main mode and all the packets in the quick mode have their data payload encrypted: > debug ike pcap on If you getting issue with the IPSec tunnel, you can use the following commands to initiate the IPSec tunnel: admin@PA-VM>test vpn ipsec-sa admin@PA-VM>test vpn ipsec-sa If tunnels are up but traffic is not passing through the tunnel: https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClivCAC&refURL=http%3A%2F%2Fknowledgebase.paloaltonetworks.com%2FKCSArticleDetail, Created On09/25/18 20:36 PM - Last Modified03/03/22 13:58 PM, > show vpn ike-sa gateway You can click on the Tunnelinfo to get the details of the Phase2SA.CLI: GwID/client IP TnID Peer-Address Tunnel(Gateway) Algorithm SPI(in) SPI(out) life(Sec/KB), -------------- ---- ------------ --------------- --------- ------- -------- ------------, 38 139 203.0.113.100 ipsec-tunnel:lab-proxyid1(ike-gw) ESP/G256/ F2B7CEF0 F248D17B 2269/0. With this information, we can now begin the process of building the IPSec tunnel. Step 7 Check whether the on-premises VPN device has Perfect Forward Secrecy enabled. Click Add. I am using PA administrator's guides and other material to create an IPSec Tunnel, but still RED for me so far. They are respective layer3 interfaces on the firewall, but certainly on the same (external) subnet. In the Gateway Endpoint section, check the Start Phase 1 tunnel when Firebox starts check box. Palo Alto Configuration. Overview This document provides the CLI commands to create an IPSec VPN, including the tunnel and route configuration, on a Palo Alto Networks firewall. I think my test is flawed since even though my ethernet/1 interfaces are public IPs, they are on the same subnet and not communicating with each other from those interfaces. My USG 50 is connected to my home internet router so my WAN IP is a non-routable address assigned via DHCP (10.0.0.244). The VPN tunnel is negotiated only when there is interesting traffic destined to the tunnel. Check for the responses of the "Are you there?" The same subnet should not be a problem, but if the interfaces cannot communicate within the same subnet then it is problem. Click Send Changes and Activate. You can check the logs (system & traffic) to understand why the connection is not getting established. With a Palo Alto Networks firewall to any provider, its very simple. Configure OSPF on IPSec VPN Tunnel between 2 Palo Alto Firewalls 1,446 views Sep 16, 2020 In this video I will demonstrate how to configure OSPF on 2 Palo Alto firewalls which are. The best news is, now that you have the two sides connected with the configuration shared here, the communication channel between the different networks will have no limits. 2. You will want a pre-shared key/passphrase that both sides will use for the initial authentication and connection to each other. If traceroute output stops at an IP address associated with your internal network, verify that the routing path to the VPN edge device . Using a simple check box, we can make the firewall act as a 'Responder-only' in the negotiation. Check if vendor id of the peer is supported on the Palo Alto Networks device and vice-versa. For Phase 2 of the connectivity, you need to know the Encryption, Authentication, and DH Group number. Web. 08:40 AM. However, this connection has not been established to Palo Alto Firewall 2 and it is shown by 2 circular icons at Tunnel Info and IKE Info is still red. To connect your remote network locations to the Prisma Access service, you can use the Palo Alto Networks next-generation firewall or a third-party, IPSec-compliant device including SD-WAN, which can establish an IPsec tunnel to the service. > debug ike stat. PAN-OS. Click the IPsec IKEv2 Tunnels tab. This website uses cookies essential to its operation, for analytics, and for personalized content. If incorrect, logs about the mismatch can be found under the system logs, or by using the following CLI command: Check that preshared key is correct. If I take that cable from ethernet/1, plug into my laptop, configure same external IP and subnet mask only, it pings fine. This is usually not required when the tunnel is between two Palo Alto Networks firewalls, but when the peer is from another vendor, IDs usually need to be configured. To view the main/aggressive and quick mode negotiations, it is possible to turn on pcaps for capturing these negotiations. I will close this thread. Ensure that pings are enabled on the peer's external interface. The peers must also negotiate the mode, in our case main mode. Troubleshooting IPSec tunnel on Palo Alto Firewall. Check if proposals are correct. This skillet will take input variables and configure an IPSec Tunnel and IKE Gateway. Add an IKE Gateway for Phase 1 negotiation via Network > Network Profiles > IKE Gateways > Add. If routing is static, you will have to use path monitoring. To rule out ISP-related issues, try pinging the peer IP from the PA external interface. The tunnel comes up fine and stays connected but I can't reach the networks on the other side of the Palo. Check if encapsulation and decapsulation bytes are increasing. September 2021. ike gateway 1 ike gateway 2 Tunnel Interface Create 2 x Tunnel interfaces and set the MTU to 1427. messages from the peer in the system logs under the Monitor tab or under ikemgr logs. This wraps up this little post about Palo Alto VPN tunnel up with no traffic. Check that the IKE identity is configured correctly. At a minimum, the following items need to be known by both parties for the proper configuration of a tunnel: Go back to Network -> IPSec Tunnels and check the status lights to confirm that the tunnel is up. 01:30 PM Check to see if a policy is dropping the traffic, or if a port translating device in front of PAN that might be dropping the ESP packets. Or, run the tracert utility from a command prompt from Windows. Note: Manual initiation is possible only from the CLI. Posting this in case anyone sees something obvious that I may be missing? Check that proposals are correct. 06:15 AM. IP tunnel on Palo Alto: 169.254.60.150/30. Check to see if a policy is dropping the traffic: > show routing route Usually this policy is not required if there is no clean-up rule configured on the box. Configuring packet filter and captures restricts pcaps only to the one worked on, debug IKE pcap on shows pcaps for all VPN traffic. These are the steps necessary to get an IPSec tunnel up and running. IPSec Tunnel Phase 1 & Phase 2 configuration Now, we will configure the Gateway settings in the FortiGate firewall. IP tunnel on AWS: 169.254.60.148/30. Check that the policy is in place to permit IKE and IPSec applications. In the new tab, follow the prompts to create a new repository. In order to create an IPSec tunnel, just log in to FortiGate Firewall, and locate VPN >> IPSec Tunnels >> Create New. In this video I will demonstrate how to configure Site-to-site IPSEC VPN Tunnel between 2 Palo Alto Firewalls.Friends, this was just a quick setup video. I agree with @OtakarKlier. . The button appears next to the replies on topics youve started. Office side Network -> IPSec Tunnels -> AddName: Branch_TunnelTunnel Interface: tunnel.201Type: Auto KeyAddress Type: IPv4IKE Gateway: Branch_IKE_GatewayIPSec Crypto Profile: Branch_IPSec_CryptoClick Ok., Branch side Network -> IPSec Tunnels -> AddName: Office_TunnelTunnel Interface: tunnel.301Type: Auto KeyAddress Type: IPv4IKE Gateway: Office_IKE_GatewayIPSec Crypto Profile: Branch_IPSec_CryptoClick Ok.. Under Encryption, set Policy to XG IPsec Policy, which you have created. Once the commit is complete, try to do anything that will cause traffic to traverse the travel. This document is intended to help troubleshoot IPSec VPN connectivity issues. On Palo Alto Firewall 1, you can see that the network port icon in the Status column is green, which means the status of this IPSec tunnel has been turned on. Network > IPSec Tunnels Home PAN-OS PAN-OS Web Interface Help Network Network > IPSec Tunnels Last Updated: Thanks for visiting https://docs.paloaltonetworks.com. Select Network > IPSec Tunnels. Copyright 2007 - 2023 - Palo Alto Networks, Enterprise Data Loss Prevention Discussions, Prisma Access for MSPs and Distributed Enterprises Discussions, Prisma Access Cloud Management Discussions, Prisma Access for MSPs and Distributed Enterprises. PA 200 #1 has PANOS 7.0.5-H2 and PA 200 #2 has PANOS 7.1.9. Office side Network -> Zones -> AddName: Branch_ZoneType: Layer3Click Ok., Network -> Interfaces -> AddInterface Name: tunnel.201Config tab -Virtual Router: 10.241 Virtual Router (renamed from default)Security Zone: Branch_ZoneClick Ok., Branch side Network -> Zones -> AddName: Office_ZoneType: Layer3Click Ok., Network -> Interfaces -> AddInterface Name: tunnel.301Config tab -Virtual Router: 10.241 Virtual Router (renamed from default)Security Zone: Branch_ZoneClick Ok., Office side Network -> Network Profiles -> IKE Crypto -> AddName: Branch_IKE_CryptoDH Group: 20Authentication: sha512Encryption: aes-256-cbcKey Lifetime: 8 Hours, Branch side Network -> Network Profiles -> IKE Crypto -> AddName: Office_IKE_CryptoDH Group: 20Authentication: sha512Encryption: aes-256-cbcKey Lifetime: 8 Hours, Office side Network -> Network Profiles -> IKE Gateway -> AddGeneral tab -Name: Branch_IKE_GatewayVersion: IKEv1 only modeInterface: ethernet1/1 (the interface associated with the outside IP address that will be connecting to the Branch side)Local IP Address: 1.2.3.4 (the external IP address associated with this interface that will be connecting to the Branch side)Peer IP Address Type: IPPeer Address: 6.7.8.9 (the external IP address at the Branch Side that will be connected to)Authentication: Pre-Shared KeyPre-shared Key: AbCdEfGhIj123456@!Confirm Pre-shared Key: AbCdEfGhIj123456@!Local Identification: IP Address / 1.2.3.4Peer Identification: IP Address / 6.7.8.9, Advanced Options Tab -IKEv1 -> IKE Crypto Profile: Branch_IKE_CryptoClick Ok., Branch side Network -> Network Profiles -> IKE Gateway -> AddGeneral Tab -Name: Branch_IKE_GatewayVersion: IKEv1 only modeInterface: ethernet1/1 (the interface associated with the outside IP address that will be connecting to the Branch side)Local IP Address: 6.7.8.9 (the external IP address associated with this interface that will be connecting to the Branch side)Peer IP Address Type: IPPeer Address: 1.2.3.4 (the external IP address at the Branch Side that will be connected to)Authentication: Pre-Shared KeyPre-shared Key: AbCdEfGhIj123456@!Confirm Pre-shared Key: AbCdEfGhIj123456@!Local Identification: IP Address / 6.7.8.9Peer Identification: IP Address / 1.2.3.4, Advanced Options Tab -IKEv1 -> IKE Crypto Profile: Office_IKE_CryptoClick Ok., Office side Network -> Network Profiles -> IPSec Crypto -> AddName: Branch_IPSec_CryptoEncryption: aes-256-cbcAuthentication: sha512DH Group: Group 20Lifetime: 1 Hour, Branch side Network -> Network Profiles -> IPSec Crypto -> AddName: Office_IPSec_CryptoEncryption: aes-256-cbcAuthentication: sha512DH Group: Group 20Lifetime: 1 Hour. 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