Zscaler gre tunnel fortigate setup Introduction Configuring a Zscaler GRE (Generic Routing Encapsulation) tunnel on Juniper SRX, along with SLA/failover capabilities, involves several steps. Verifying configuration with Zscaler test page. com. We share information about your use of our site with our social media, advertising and analytics partners. Solution Additional to that, when using loopback interface for GRE tunnel, specify loopback interface under GRE setting is not needed as below: FortiGate 1 using loopback interface ===== # config system gre-tunnel edit "fgt2” set remote-gw 10. Locations and sub-locations identify the various networks from which an organization sends its Internet traffic to the Zscaler service. Zscaler uses essential operational cookies and also cookies to enhance user experience and analyze performance on our site. This typically involves creating a How to self-provision GRE tunnels using the ZIA Admin Portal. The source IP address can only be chosen from the Virtual network interface on trusted links. Go to Policy & Objects > Firewall Policy, and click Create Dear all We have a Fortigate VM in Azure (6. After you have configured the IPsec tunnels, go to VPN > IPsec Tunnels to verify the IPsec tunnels. See, How to configure GRE tunnel. 20. The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive Information on how to determine the optimal MTU for your organization's tunnels. But now we have often problems with these 2 providers availibility and decided to try Starlink. Linux and BSD can establish ad-hoc IP over GRE tunnels which are interoperable with Cisco equipment. HQ1. 153/30 Interface management profile: N/A Service configured: Zone: untrust, virtual system: vsys1 Adjust TCP MSS: no Policing: no ----- GRE tunnel name: GRE-TUNNEL-ATL ![](RackMultipart20200615-4 GRE over IPsec. To ensure optimal connectivity, it’s important that customers set up connectivity at every branch office to the Zscaler cloud. EOS & Hi You can refer to this kb document to configure the GRE tunnel. Configuring firewall policies. 104. In the navigation tree, click Network Management > Network Interfaces. Click Add > GRE. See More >> Hey mates, We have deployed a pair of paloalto in AWS in active active mode. ; Enter a Name for the tunnel and select the Template type to be Custom. Support for GRE tunneling was added in I am looking to configure 2 GRE Tunnels with Zscaler for my internet traffic on a forti 7. The firewall policies are configured accordingly. This gets them in the routing table but not preferred. We share information about your use config system gre-tunnel. IPSec tunnels from Azure Fortigate VM to ZScaler and SD-WAN which is supposed to have about six (6) IPSec tunnels to ZScaler. The New VPN Tunnel settings are displayed. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Posture Control (DSPM) Task2 Configure Branch vEdges to route : Configuration –à Templates –à Feature -àAdd Template –à Select vEdge Cloud –à Select VPN Interface GRE –à Give Template name and Description –à Change Default State from Down to UP —à Configure Destination IP –à Source Interface –à IPv4 address of tunnel (keep it Variable) –à Save Monitoring GRE Tunnels. Routing/peering optimization with Microsoft Zscaler peers with Microsoft in major data centers globally. In our example, we have two interfaces Internet_A (port1) and Internet_B(port5) on which we have configured IPsec tunnels Branch-HQ-A and Branch-HQ-B respectively. 2. com/2021/08/fortigate-firewall-gre-tunnel. Secure Internet and SaaS Access (ZIA) Zscaler uses essential operational cookies and also cookies to enhance user experience and analyze performance on our site. The Generic Routing Encapsulation (GRE) tunnel allows direct communication between two nodes on a network. 11 Configuring IPsec tunnels. EOS & Hi . Configure the Cost to be 5. How to self-provision GRE tunnels using the ZIA Admin Portal. However, when you configure the specific tunnel, you need to set the ip-version option to 6. tamerz. 10/23/2022 at 02:29 PM. Then add policy routes to send all internet bound traffic to Validate CLI show interface tunnel. You may configure GRE tunnels, though Fortinet recommends configuring IPsec tunnels. You can configure FortiGate to forward traffic to Zscaler SSE via GRE or IPSec tunnels. config system gre-tunnel . Scope FortiGate. Omar. sk92845: Can users create a GRE tunnel on Gaia OS? sk157893: Check Point recommendations for tunneling through IPsec instead of GRE Information on how to add new GRE tunnels, edit existing GRE tunnels, and delete GRE tunnels with a CSV file. edit "Zscaler-SF" Hi . Information on Generic Routing Encapsulation (GRE) tunnel and its benefits, traffic forwarding recommendations, and bandwidth supported by Zscaler for GRE tunnels. This section contains the following topics: Configuring IPsec or GRE tunnels on Zscaler Internet Access; I am looking to configure 2 GRE Tunnels with Zscaler for my internet traffic on a forti 7. The router receives ingress traffic on port ge-0/0/4 and forwards Web traffic will be routed to Zscaler where it will be scanned, while non-web traffic passes over the underlays and is scanned by FortiGate. Configure Branch vEdges to route all unknown traffic to route using Zscaler Cloud router, this solution should be implemented using service chaining. All. Solution Diagram The This article illustrates how to configure two IPSec VPN tunnels from a FortiGate firewall to two ZIA Public Service Edges: a primary tunnel from the FortiGate firewall to a ZIA Public Service Edge in one data center and a backup tunnel from the same firewall to a ZIA Public Service Edge in another data center. Configure security policy to allow traffic over GRE. config system gre-tunnel Description: Configure GRE tunnel. How to configure a GRE tunnel between a Juniper SRX and ZIA Public Service Edges in the Zscaler service. So my problem is, I can't get it work. How to configure on zscaler portal. We have one very interesting case. To learn how to configure IPsec tunnels, refer to the IPsec VPNs section. 0. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring Zscaler also supports a self-provisioning capability for setting up GRE tunnels through the admin portal. 5. Create system GRE tunnel and assign local and remote gateways (WAN IPs) Modify system interface GRE settings and assign local/remote tunnel IPs (Tunnel IPs) Create > Configure the GRE Tunnel on your local device: The next step is to configure the GRE Tunnel on the device that will be used to connect to the Zscaler platform. edit "Zscaler-SF" set interface "port1" set remote-gw <Zscaler SF Host> set local-gw <Internet_A> next. 0/0 to go out the GRE tunnels but give them a higher priority than the normal Static routes you get. edit "Zscaler-SF" In this case, you will configure either IPsec tunnels or GRE tunnels, and not both. 4. edit <name> set interface {string} set ip-version [4|6] Zscaler uses essential operational cookies and also cookies to enhance user experience and analyze performance on our site. Click Next. ZIA - Forwarding; Like; Answer; Share; 1 answer; 177 views; MBorking (Customer) 6 years ago. NSS stands for Nanolog Streaming Service. After you create the GRE tunnels, create static routes for 0. In the Peer Address field, enter the IPv4 address for the GRE This article describes issue with GRE tunnel using loopback interface. Zscaler Technology Partners. If i understand this correctly i have to configure a GRE Interface , assign This article describe about how to configure a GRE tunnel with policy routing on a FortiGate. This works perfect :) On some locations we do not have a static ip address. If you are routing traffic via a Zscaler proxy service, the URL https://ip. #GRE #VPN#Sophos#Zscaler The routes are directly connected so it will not be deleted in the case of a GRE tunnel. edit <name> set interface {string} set ip-version [4|6] wihitelist Zscaler ZEN IP-Ranges (could be quite a large list, see also ips. Instructions. If not, it will respond with an appropriate message. On the GRE Tunnel tab:. Hello, First step which you can do is to do a 'diagnose sniffer packet ' for the remote IP address of the GRE tunnel when does not work to see if your device sends and receives packets from remote GRE tunnel. Scope Support for GRE tunneling and GRE over IPsec in tunnel-mode is available as of FortiOS 3. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Posture Control (DSPM) Client Connector Zscaler Technology Partners. A lower Cost value indicates that this member is the primary interface member, and is preferred more than a member with a higher Cost config system gre-tunnel. The paloalto has been assigned elastic public IP for each one. 0. We solved that problem via (3). blogspot. AWS Account ID: Enter the ID of the AWS account used to configure the Zscaler S3 Connector. ; IAM Role ARN: Enter the IAM role ARN you copied in b. This section describes the Zscaler setup: Zscaler NSS; Proxy sensor; NSS feed configuration; Zscaler NSS. edit <name> set auto-asic-offload [enable|disable] set checksum-reception [disable|enable] set checksum-transmission [disable|enable] set diffservcode {user} set dscp-copying [disable|enable] set interface {string} set ip-version [4|6] set keepalive-failtimes config system gre-tunnel. This example illustrates how to configure a GRE tunnel between a Juniper SRX220 router and ZENs in the Zscaler service. 240. To configure an SD-WAN rule: Go to Network > SD-WAN Rules, and click Create Zscaler GRE tunnel goes down after sometime I have configured GRE tunnels with my fortinet cluster which is hosted on awsthe tunnel comes up and works fine for sometime but then goes down randomlywhen I failover to the other member it again comes up for a while but then goes down again. 4) We build GRE tunnels to zScaler for every location and set default route to zScaler. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Client Connector. Second is to check the link-monitor status if it's configured. Branch is connected to HQ via 2 providers over IPSEC-SD-WAN tunnels. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Zscaler Deployments & Operations. Configure firewall policies for both the Overlay and Underlay traffic as indicated below. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Posture Control (DSPM) Client Connector. In the ZIA Admin Portal, under Register the SaaS Application:. EOS & EOL. If you have link-monitor an How to add a location or sub-location information using the ZIA Admin Portal. Go to Policy & Objects > Firewall Policy, and click Create I am looking to configure 2 GRE Tunnels with Zscaler for my internet traffic on a forti 7. Expand Post. In this example, the Overlay traffic does not require scanning, and the Underlay traffic requires scanning. Hi Lee, you should be able to use the PBR within the Fortigate/Fortinet setup Zscaler uses essential operational cookies and also cookies to enhance user experience and analyze performance on our site. On zScaler site i can choose FQDN Auth, then specify a user@domain. If you add a Malware Detection rule with the action Configuring SD-WAN rules. edit <name> set auto-asic-offload [enable|disable] set checksum-reception [disable|enable] set checksum-transmission [disable|enable] set diffservcode {user} set dscp-copying [disable|enable] set interface {string} set ip-version [4|6] set keepalive-failtimes Hello, I have two Destination IPs (one for each GRE Tunnel to Zscaler). I've setup GRE tunnels on FGT's for Zscaler previously without issue, but I can't quite get my head around how to do this on a Palo: On a FGT, I'll setup a system interface with a remote (private) IP address and a local (private) IP address. The VPN Creation Wizard displays. ZIA - Cloud Firewall; Like; Answer; Share; 323 views; How does Zscaler Internet Access itself route the traffic to the internet, using what outgoing/next hop GW. Solution In the following scenario, network traffic for LAN users Configure two GRE tunnels from an internal router (located behind the firewall) to Zscaler Enforcement Nodes (ZENs). 0 MR2. we're running several Fortigate (the problem case is a 60F, running 7. We using Fortigate HA routers on HQ and Branch. To configure GRE over an IPsec tunnel: Enable subnet overlapping at both HQ1 and HQ2. Hover over the leftmost edge of the column heading to display the Configure Table icon, which you can use to select the columns to display or to FortiGate-5000 / 6000 / 7000; NOC Management. Like Liked Unlike Reply. To configure a Performance SLA test: Go to Network > Performance SLA, First step which you can do is to do a 'diagnose sniffer packet ' for the remote IP address of the GRE tunnel when does not work to see if your device sends and receives packets from remote GRE tunnel. In This Video talks about the traffic forwarding mechanism - IPsec tunnels. com Configure GRE tunnel Navigate to Network -> GRE tunnels-> Click "Add" Enter Interface, local address, Peer address, and Tunnel Interface as shown in the picture; 3. html Steps to Create a GRE Tunnel within FortiGate. Configure the Interface to be Zscaler-SF from the drop-down list. Information on the most common GRE tunnel deployments that are used to forward traffic to the Zscaler service. Isolation (CBI) Zscaler Technology Partners. To configure a GRE tunnel from the CLI: Create a GRE tunnel and add it as an interface: config system gre-tunnel. Configure To configure a GRE tunnel from the CLI: Create a GRE tunnel and add it as an interface: config system gre-tunnel. how to configure and troubleshoot a GRE over an IPsec tunnel between a FortiGate and a Cisco router. BR Manuel config system gre-tunnel. This is why I wanted to configure six (or so) IPS config system gre-tunnel. ; Quarantine Bucket Name: Enter the quarantine bucket name you copied in Step v. end. Go to Network > GRE Tunnel to see which GRE tunnels have been configured. This will enable IPv6-specific options for the tunnel. 1. After the tunnel is established, it can be understood as a normal interface, and Internet not working via zscaler gre tunnel Hi All, Can anyone please share any document to configure or troubleshoot regarding internet not working via Fortigate-Zscaler gre tunnel First step which you can do is to do a 'diagnose sniffer packet ' for the remote IP address of the GRE tunnel when does not work to see if your device sends and receives packets from remote GRE tunnel. Support for IPsec in transport-mode is available as of FortiOS 4. config system settings set allow-subnet-overlap enable end; Configure the WAN interface and static route. ; Configure the Network settings as indicated in the table below. Note that Zscaler requires separate instances for web and firewall logs. 200, ID: 257 Operation mode: layer3 Virtual router default Interface MTU 1436 Interface IP address: 172. In the GRE Interface ID field, enter or select the GRE Tunnel ID between 1 and 1024. Description: Configure GRE tunnel. Cloud & Branch Connector GRE Tunnel. To configure GRE tunnels on ZIA: Locate the available data-centers and the hostname/IP How to configure GRE tunnels from the corporate network to the Zscaler service. For the navegation, we opted for zscaler proxy cloud, but we found a issue, what the paloalto vm has no public IP and the NAT is performed in the internet gateway of AWS, the reencapsulation of gre keepalive packets makes that th config system gre-tunnel. We have connected Starlink router to Fortiga Information on traffic forwarding mechanisms that organizations can combine to forward traffic to the Zscaler service. edit <name> set interface {string} set ip-version [4|6] Configuring IPsec or GRE tunnels on Zscaler Internet Access The following GUI pages show the function of the Fortinet secure SD-WAN deployed with Zscaler Internet Access (ZIA) and can be used to confirm that it is setup and running correctly: Interface usage; IPsec status; Performance SLA; Routing table; Firewall policy; Initially, FortiGate will get the interface MTU value as the PMTU value for the GRE tunnel. To configure a firewall policy for the Overlay traffic:. 4. 56. ZIA - Forwarding. The configuration is similar to a tunnel for IPv4. 10) which is supposed to have about six (6) IPSec tunnels to ZScaler. For example, if a FortiGate setup a GRE tunnel on a WAN interface with a default MTU which is 1500, it will get the MTU value as 1500 for GRE tunnel. The process may vary slightly based on the specific Information on the two versions of Z-Tunnel, which Zscaler Client Connector uses to forward traffic. The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive How to self-provision GRE tunnels using the ZIA Admin Portal. How to configure GRE Tunnel on Fortigate FirewallReference: https://techtalksecurity. Information on GRE tunnels, their benefits, traffic forwarding recommendations, and bandwidth supported by Zscaler. To configure GRE tunnels on ZIA: Locate the available data-centers and the hostname/IP You may configure GRE tunnels, though Fortinet recommends configuring IPsec tunnels. GRE tunneling interfaces do not have a built-in mechanism for detecting when a tunnel is down. 119 set local-gw 10. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) To configure GRE Tunnel: In the configuration editor, navigate to Connections > Site > GRE Tunnels, and configure routes to forward internet prefix services to the Zscaler GRE Tunnels. The only way to mark the GRE tunnel as 'down' is to administratively set the tunnel interface as down. ZIA - Cloud Firewall. edit <name> set auto-asic-offload [enable|disable] set checksum-reception [disable|enable] set checksum-transmission [disable|enable] set diffservcode {user} set dscp-copying [disable|enable] set interface {string} set ip-version [4|6] set keepalive-failtimes Step. FortiGate or VDOM in NAT mode. There's also the GRE tunnel interface that has the remote (public) gateway IP address, the tunnel also . Can anyone help me configure GRE tunnel on sophos xg firewall to forward traffic to zscaler cloud. The reason for that many tunnels: Each tunnel is supposed to only offer 400 Mbit/s (we tested 1 Gbit/s, but its still not enough). 24. 4 cluster. 3. FortiManager Configuring IPsec or GRE tunnels on Zscaler Internet Access Configure a performance SLA test that will be tied to the SD-WAN interface members for the Zscaler ZENs. Primary Tunnel: Connects the router to a ZEN in one Configure GRE tunnels on Zscaler router with NAT. Zscaler requires you to monitor your GRE tunnels so that failover between the primary and backup tunnels is triggered if a tunnel goes down. In this example, the SF ZEN is closer, so we will choose the Lowest Cost (SLA) SD-WAN algorithm to prefer the SF ZEN over the DC ZEN, and configure the Zscaler-SF interface with a lower cost. GRE Tunnels from the Corporate Firewall to the ZENs: - If your corporate firewall supports GRE, you can configure two GRE tunnels from the firewall to the ZENs: one primary tunnel to a ZEN in ConfiguringSD-WANzones ConfiguringSD-WANzones ToconfigureSD-WANzones,youneedtoconfiguretheprimaryandsecondaryZscalerZENsasSD-WANinterface membersinanSD-WANzone. Configure the GRE tunnel interfaces: config system interface. edit <name> set auto-asic-offload [enable|disable] set checksum-reception [disable|enable] set checksum-transmission [disable|enable] set diffservcode {user} set dscp-copying [disable|enable] set interface {string} set ip-version [4|6] set keepalive-failtimes How to add VPN credentials to the ZIA Admin Portal when configuring an IPSec VPN tunnel for the Zscaler service. 200 ----- Name: tunnel. To verify your configuration with Zscaler, request a verification page via the URL https://ip. Configuring GRE and IPSec Tunnels on ZIA There are three major steps when configuring This article describes how to configure and troubleshoot a GRE tunnel between two FortiGates. Configure GRE tunnel. You can refer to this kb document to configure the GRE tunnel. . Log In to Answer. Configure SD-WAN rules that will tie the Performance SLA probe (Zscaler_VPNTEST) to each of the SD-WAN members with the Lowest Cost (SLA) strategy selected to determine which ZEN will be the active-primary and which one will be the standby-secondary. Experience Center. edit <name> set auto-asic-offload [enable|disable] set checksum-reception [disable|enable] set checksum-transmission [disable|enable] set diffservcode {user} set dscp-copying [disable|enable] set interface {string} set ip-version [4|6] set keepalive-failtimes To configure SD-WAN zones, you need to configure the primary and secondary Zscaler ZENs as SD-WAN interface members in an SD-WAN zone. Edit the Trust Relationship. On the IPv4 tab, enter the local IPv4 address and subnet mask for the GRE interface. To configure an IPsec tunnel: Go to VPN > IPsec Wizard. Cloud & Branch Connector. If i understand this correctly i have to configure a GRE Interface , assign tunnel end IPs , add route towards GRE Tunnel. EOS & 2. To monitor GRE tunnel How to configure GRE Tunnel on Fortigate FirewallReference: https://techtalksecurity. Configure routes for GRE tunnels How to configure a GRE tunnel between a Cisco 881 ISR and ZIA Public Service Edges with a sample illustration. zscaler. This is why I wanted to configure six (or so) IPSec-Tunnels, then put them in one SD Zscaler setup. See GRE over IPsec for more information. config system gre-tunnel. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring Hi all. The following commands is to view the MTU of GRE tunnel: diagnose ip rtcache list Does anyone have any experience or knowledge in using any type of HTTP monitoring for automatic failover of GRE tunnels which are terminated on Fortinets? Thanks. Secure Internet and SaaS Access (ZIA) Secure Private Access (ZPA) Digital Experience Monitoring (ZDX) Zscaler Technology Partners. PZEN Information on how to determine the optimal MTU for your organization's tunnels. There may be other options I am not aware of right now. How to configure an IPSec VPN tunnel between the gateway of your corporate network and a ZIA Public Service Edge. It is a Zscaler provided utility to download logs. After the tunnel is established, it can be understood as a normal interface, and then configure policies and routes based on this interface. 19. Register | Member Login | Employee Forwarding Port 8443 through GRE Tunnel. com will respond with a message confirming it. html Zscaler Academy; Cloud-First Architect; Resources; Member Recognition; you should be able to use the PBR within the Fortigate/Fortinet setup. To configure a GRE According to Wikipedia, Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems. Enable GRE keepalives to serve as a basic detection mechanism. This is an example of GRE over an IPsec tunnel using a static route over GRE tunnel and tunnel-mode in the phase2-interface settings. net) If you have GRE-tunnels you may also need to configure your routers accordingly to not route all traffic into the GRE tunnel (but I am not sure about that). How would I need to configure my palo alto firewall to allow GRE Tunnel Failover, so that traffic only flows through the primary tunnel and flows through the secondary tunnel when the IPv6 addresses can be used at both ends of a GRE tunnel in the same way as with IPv4. pipdj kle fgovl zndhq guqx vsfgy noi ohk ddxv vadt