From the perspective of FW1, FW2 is the remote gateway and vice versa. This is because site-to-site VPNs are expected to connect to a single peer, as opposed to Group VPNs, which expect to connect to multiple peers. Optionally, you can configure a static route to be used as a secondary route in case the VPN tunnel goes down. By default, static routes have a metric of one and take precedence over VPN traffic.
This results in the following behavior:. FQDN is not supported. An all-zero IPv6 Network address object could be selected for the same functionality and behavior. If the option are dimmed when not available for the version.
Table Advanced settings: Options available based on IP version. Using Primary IP Address — default. Specify the local gateway IP address. Preempt Secondary Gateway — Preempts the secondary gateway when the time specified in the Primary Gateway Detection Interval field is exceeded. This option is selected by default. Primary Gateway Detection Interval field. SonicPoints are not supported in SonicOS 6. The VPN Policy dialog displays.
A Shared Secret is automatically generated by the firewall in the Shared Secret field. You can generate your own shared secret. Shared Secrets must be a minimum of four characters. Click the Proposals tab to continue the configuration process.
Enter a value in the Life Time seconds field. The default setting of forces the tunnel to renegotiate and exchange keys every 8 hours. In the IPsec Phase 2 Proposal section, select the following settings:. Select the desired protocol from the Protocol drop-down menu. Currently, ESP is the only option. Select Enable Perfect Forward Secrecy if you want an additional Diffie-Hellman key exchange as an added layer of security. Click the Advanced tab. Select any of the following optional settings you want to apply to your GroupVPN policy:.
Unauthenticated traffic is not allowed on the VPN tunnel. The Trusted users group is selected by default. Select an Address Object or Address Group from menu of predefined options, or select Create new address object or Create new address group to create a new one. Click the Client tab, select any of the following settings you want to apply to your GroupVPN policy. The user will be prompted for a username and password when the connection is enabled, and also every time there is an IKE Phase 1 rekey.
Single Session - Global VPN Client user prompted for username and password each time the connection is enabled and will be valid until the connection is disabled. The username and password is used through IKE Phase 1 rekey. Always - Global VPN Client user prompted for username and password only once when connection is enabled. When prompted, the user will be given the option of caching the username and password.
The configured value is recorded by the firewall so that it can proxy ARP for the manually assigned IP address. By design, there are currently no limitations on IP address assignments for the Virtual Adapter.
Only duplicate static addresses are not permitted. Allow Connections to - Client network traffic matching destination networks of each gateway is sent through the VPN tunnel of that specific gateway. This Gateway Only - Allows a single connection to be enabled at a time. Traffic that matches the destination networks as specified in the policy of the gateway is sent through the VPN tunnel. If this option is selected without selecting Set Default Route as this Gateway, then the Internet traffic is blocked.
All Secured Gateways - Allows one or more connections to be enabled at the same time. Traffic matching the destination networks of each gateway is sent through the VPN tunnel of that specific gateway.
Only one of the multiple gateways can have Set Default Route as this Gateway enabled. You can only configure one VPN policy to use this setting.
The VPN Policy dialog is displayed. Select a certificate for the firewall from the Gateway Certificate drop-down menu. If the certificate does not contain a Subject Alternative Name field, this filter does not work. Click the Proposals tab. Group 1 , Group 2 , Group 5 , or Group Select the desired protocol from the Protocol menu. Click on the Advanced tab and select any of the following optional settings that you want to apply to your GroupVPN Policy:. Default Gateway - Used at a central site in conjunction with a remote site using the Route all Internet traffic through this SA check box.
Click on the Client tab and select any of the following boxes that you want to apply to Global VPN Client provisioning:. Select from:. The user will be prompted for a username and password when the connection is enabled and also every time there is an IKE phase 1 rekey.
Single Session - The user will be prompted for username and password each time the connection is enabled and will be valid until the connection is disabled. This username and password is used through IKE phase 1 rekey. Always - The user will be prompted for username and password only once when connection is enabled. You can only configure one SA to use this setting.
We recommend a value of 28, seconds 8 hours. To prevent repeated compromises of the same security key when reestablishing a tunnel, select the Enable Perfect Forward Secrecy check box.
Select Enable Wireless Secure Bridging Mode to enable wireless secure bridging mode, a feature that allows two or more physically separated networks to be joined using a secure wireless connection. When this option is selected, all traffic that is not destined for another SA is forwarded through this VPN tunnel.
If this option is not specified and the destination does not match any SA, the packet is forwarded unencrypted to the WAN. If NAT is enabled, all traffic originating from this appliance will appear to originate from a single IP address and network firewall rules will be applied to all traffic on this SA. If NAT is enabled, all traffic originating from this appliance will appear to originate from a single IP address and all traffic originating from its peer will appear to originate from a single IP address.
Network firewall rules will be applied to all traffic on this SA. Note Applying firewall rules can dramatically affect services that run between the networks. When you are finished, click Update. To clear all screen settings and start over, click Reset. Deselect the Use Interconnected Mode check box. Select the appropriate option to add, delete or modify a Security Association.
This name must match exactly if the device has a dynamic IP address. If the remote VPN gateway has a dynamic IP address, this field can be left blank if the name matches. A Default LAN Gateway is used at a central site in conjunction with a remote site using the Route all internet traffic through destination unit check box.
This feature is useful for hiding the LAN subnet from the corporate site. All traffic will appear to originate from a single IP address. To do this, make sure to enable this option for all SAs.
To require local users to authenticate locally before accessing the SA, select the Require authentication of local users check box. Then, click Add Networks and enter the destination network IP addresses and subnet masks. To obtain a certificate, refer to the Generating a Certificate Signing Request. Turning off the "IPsec Anti-Replay" may have helped us in the diagnostics.
Are you using the same ISP for both sites? Then ran tests iperf, ssh, ftp, etc between the two to prove the link s are having issues]. In one case, I did prove to Windstr.. Also, sometimes, where you think "Oh, both sites are on Comcast" does not mean it's on the Comcast Network.
To continue this discussion, please ask a new question. Get answers from your peers along with millions of IT pros who visit Spiceworks. Spiceworks Help Desk. The help desk software for IT. Track users' IT needs, easily, and with only the features you need. Learn More ». Rockn This person is a verified professional. Verify your account to enable IT peers to see that you are a professional. Edited Sep 9, at UTC. In addition to Security Services I would recommend disabling DPI on the specific firewall access rules to and from the VPN zone on both firewall not sure if you already did this.
If it's good on one connection and not the other, it does point to a potential ISP issue. Do you have anything sitting in front of the firewalls? Out of curiosity, what is your MTU set to?
SonicWALL expert. TBinCT This person is a verified professional.
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