![]() Generate a pre-shared key (we will also need this value on our end) and choose IKEv2.Local Subnet and Local Mask: Enter your LAN subnet and subnet mask.Remote Gateway IP: Enter the IP address of your NordLayer dedicated server.Policy Name: Create the name of your own choice.In the left panel, select Security, then select IPSec VPN Configuring the tunnel on the Netgear Management Interface They are the result of several days of troubleshooting, and some tips from jmizoguchi and adit from the Netgear forums (my original post).Note: If your device/service supports SHA256 and DH group 14, it is recommended to use these settings instead. These are actual screenshots of my working configuration. You'll have to disable the VPN policy before you can edit the associated IKE policy. The only thing I changed after the IKE and VPN policy were created was to enable the XAUTH option for better security. In my experience, Netgear's VPN Wizard tool does a good job of filling in all the confusing information. ![]() *Netgear's 'Mode Config' option is a way to assign unique IP addresses more easily, but I haven't tested that. If we add a third SITE C, I would use the range. So as you can see, multiple VPN clients will be conflict-free as long as I stick to my convention. Below is a table showing an example of IP addresses for multiple connecting VPN clients: User I chose the and higher range because most home networks I know of are not in those ranges. Each VPN client that connects can have a unique IP address*. Finally, it is possible to configure VPN client software to utilize a third subnet range to help avoid these type of conflicts altogether (if the Windows Client and Mac Client both connect simultaneously from identical home IP addresses, for instance). Likewise, if a remote client connects from a home network featuring the same IP range as their workplace LAN, it is possible to butt heads with a device with the same IP address on the workplace network. If both SITE A and SITE B used 10.0.1.0/24, they would likely have conflicting network devices that share the same IP address. As you can see in the Network Diagram below, each different LAN has a different range of IP addresses. When setting up a VPN of any complexity, it is critical to correctly plan the various subnets that will be used. ![]() IPsecuritas features a pretty "black and white" interface, but the important stuff is all there. ![]() It was also the most expensive option by far, so that left IPsecuritas. The guides for VPN Tracker were very clear and comprehensive, and I was able to establish connections to both our sites on the first try. VPN Tracker was by far the most polished of the bunch, and extremely easy to use. Shimo had a great interface that tied in very nicely to Mac OS X, featuring a control panel that felt like System Preferences-but when I tried setting up and connecting, the program appeared to just stall out in the log. I tried all four of them out… Tunnelblick was extremely basic functionality, best left for advanced users (I didn't even know where to start). Mac users (as of ) have a few third party options: VPN Tracker, IPsecuritas, Shimo and Tunnelblick. Windows users enjoy official VPN client support via the SafeNet VPN client. I use a Mac at home and naturally wanted to use a native Mac OS X solution to connect to my workplace securely via the secure VPN IPsec protocol.
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