GlobalProtect Gateways for LSVPN
Because the GlobalProtect configuration that the portal delivers to the satellites includes the list of gateways the satellite can connect to, it is a good idea to configure the gateways before configuring the portal.
Before you can configure the GlobalProtect gateway, you must complete the following tasks:
- Enable SSL Between GlobalProtect LSVPN Components by configuring the gateway server certificates, SSL/TLS service profiles, and certificate profile required to establish a mutual SSL/TLS connection from the GlobalProtect satellites to the gateway.
Configure each GlobalProtect gateway to participate in the LSVPN as follows:
- Add a gateway.
- Selectand clickNetworkGlobalProtectGatewaysAdd.
- In theGeneralscreen, enter aNamefor the gateway. The gateway name should have no spaces and, as a best practice, should include the location or other descriptive information to help users and administrators identify the gateway.
- (Optional) Select the virtual system to which this gateway belongs from theLocationfield.
- Specify the network information that enables satellite devices to connect to the gateway.
- Select theInterfacethat satellites will use for ingress access to the gateway.
- Specify theIP Address TypeandIP addressfor gateway access:
- The IP address type can beIPv4(only),IPv6(only), orIPv4 and IPv6. UseIPv4 and IPv6if your network supports dual stack configurations, where IPv4 and IPv6 run at the same time.
- The IP address must be compatible with the IP address type. For example,172.16.1/0for IPv4 addresses or21DA:D3:0:2F3Bfor IPv6 addresses. For dual stack configurations, enter both an IPv4 and IPv6 address.
- ClickOKto save changes.
- Specify how the gateway authenticates satellites attempting to establish tunnels. If you haven’t yet created an SSL/TLS Service profile for the gateway, see Deploy Server Certificates to the GlobalProtect LSVPN Components.If you haven’t set up the authentication profiles or certificate profiles, see Configure the Portal to Authenticate Satellites for instructions.If you have not yet set up the certificate profile, see Enable SSL Between GlobalProtect LSVPN Components for instructions.On the GlobalProtect Gateway Configuration dialog, select Authentication and then configure any of the following:
- To secure communication between the gateway and the satellites, select theSSL/TLS Service Profilefor the gateway.
- To specify the authentication profile to use to authenticate satellites,Adda Client Authentication. Then, enter aNameto identify the configuration, selectOS:Satelliteto apply the configuration to all satellites, and specify theAuthentication Profileto use to authenticate the satellite. You can also select aCertificate Profilefor the gateway to use to authenticate satellite devices attempting to establish tunnels.
- Configure the tunnel parameters and enable tunneling.
- On the GlobalProtect Gateway Configuration dialog, select.SatelliteTunnel Settings
- Select theTunnel Configurationcheck box to enable tunneling.
- Select theTunnel Interfaceyou defined to terminate VPN tunnels established by the GlobalProtect satellites when you performed the task to Create Interfaces and Zones for the LSVPN.
- (Optional) If you want to preserve the Type of Service (ToS) information in the encapsulated packets, selectCopy TOS.If there are multiple sessions inside the tunnel (each with a different TOS value), copying the TOS header can cause the IPSec packets to arrive out of order.
- (Optional) Enable tunnel monitoring.Tunnel monitoring enables satellites to monitor its gateway tunnel connection, allowing it to failover to a backup gateway if the connection fails. Failover to another gateway is the only type of tunnel monitoring profile supported with LSVPN.
- Select theTunnel Monitoringcheck box.
- Specify theDestination IPAddressthe satellites should use to determine if the gateway is active. You can specify anIPv4address, andIPv6address, or both. Alternatively, if you configured an IP address for the tunnel interface, you can leave this field blank and the tunnel monitor will instead use the tunnel interface to determine if the connection is active.
- SelectFailoverfrom theTunnel Monitor Profiledrop-down (this is the only supported tunnel monitor profile for LSVPN).
- Select the IPSec Crypto profile to use when establishing tunnel connections.The profile specifies the type of IPSec encryption and the authentication method for securing the data that will traverse the tunnel. Because both tunnel endpoints in an LSVPN are trusted firewalls within your organization, you can typically use the default (predefined) profile, which uses ESP as the IPSec protocol, group2 for the DH group, AES-128-CBC for encryption, and SHA-1 for authentication.In theIPSec Crypto Profiledrop-down, selectdefaultto use the predefined profile or selectNew IPSec Crypto Profileto define a new profile. For details on the authentication and encryption options, see Define IPSec Crypto Profiles.
- Configure the network settings to assign the satellites during establishment of the IPSec tunnel.You can also configure the satellite to push the DNS settings to its local clients by configuring a DHCP server on the firewall hosting the satellite. In this configuration, the satellite will push DNS settings it learns from the gateway to the DHCP clients.
- On the GlobalProtect Gateway Configuration dialog, select.SatelliteNetwork Settings
- (Optional) If clients local to the satellite need to resolve FQDNs on the corporate network, configure the gateway to push DNS settings to the satellites in one of the following ways:
- If the gateway has an interface that is configured as a DHCP client, you can set theInheritance Sourceto that interface and assign the same settings received by the DHCP client to GlobalProtect satellites. You can also inherit the DNS suffix from the same source.
- Manually define thePrimary DNS,Secondary DNS, andDNS Suffixsettings to push to the satellites.
- To specify theIP Poolof addresses to assign the tunnel interface on the satellites when the VPN is established, clickAddand then specify the IP address range(s) to use.
- To define what destination subnets to route through the tunnel clickAddin theAccess Routearea and then enter the routes as follows:
In this case, all traffic except traffic destined for the local subnet will be tunneled to the gateway.
- If you want to route all traffic from the satellites through the tunnel, leave this field blank.
- To route only some traffic through the gateway (calledsplit tunneling), specify the destination subnets that must be tunneled. In this case, the satellite will route traffic that is not destined for a specified access route using its own routing table. For example, you may choose to only tunnel traffic destined for your corporate network, and use the local satellite to safely enable Internet access.
- If you want to enable routing between satellites, enter the summary route for the network protected by each satellite.
- (Optional) Define what routes, if any, the gateway will accept from satellites.By default, the gateway will not add any routes satellites advertise to its routing table. If you do not want the gateway to accept routes from satellites, you do not need to complete this step.
- To enable the gateway to accept routes advertised by satellites, select.SatelliteRoute Filter
- Select theAccept published routescheck box.
- To filter which of the routes advertised by the satellites to add to the gateway routing table, clickAddand then define the subnets to include. For example, if all the satellites are configured with subnet 192.168.x.0/24 on the LAN side, configuring a permitted route of 192.168.0.0/16 to enable the gateway to only accept routes from the satellite if it is in the 192.168.0.0/16 subnet.
- Save the gateway configuration.
- ClickOKto save the settings and close the GlobalProtect Gateway Configuration dialog.
- Committhe configuration.
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