ZyXEL Communications ZyWALL 110 Handbook page 5

(Branch) .................................................................................................. 233
Set up the WAN Trunk (ZyWALL/USG_HQ) ......................................... 237
Set up the Failover Command Line (ZyWALL/USG HQ) .................. 238
Test the IPSec VPN Tunnel ..................................................................... 240
What Could Go Wrong? ...................................................................... 241
How to Configure L2TP over IPSec VPN while the ZyWALL/USG is behind a
NAT router .................................................................................................. 243
Set Up the L2TP VPN Tunnel on the ZyWALL/USG_HQ ...................... 244
Set Up the NAT Router (Using ZyWALL USG device in this example)
................................................................................................................. 248
Test the L2TP over IPSec VPN Tunnel .................................................... 251
What Could Go Wrong? ...................................................................... 254
How to Configure L2TP VPN with Android 5.0 Mobile Devices ............. 256
Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................. 257
Set Up the L2TP VPN Tunnel on the Android Device ........................ 261
Test the L2TP over IPSec VPN Tunnel .................................................. 265
What Could Go Wrong? ...................................................................... 267
How to Configure L2TP VPN with iOS 8.4 Mobile Devices ..................... 269
Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................. 269
Set Up the L2TP VPN Tunnel on the iOS Device ................................. 275
Test the L2TP over IPSec VPN Tunnel .................................................. 276
What Could Go Wrong? ...................................................................... 279
How to Import ZyWALL/USG Certificate for L2TP over IPsec in Windows 10
.................................................................................................................... 281
Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................. 281
Export a Certificate from ZyWALL/USG and Import it to Windows 10
Operating System ................................................................................. 286
Set Up the L2TP VPN Tunnel on the Windows 10 ............................... 292
Test the L2TP over IPSec VPN Tunnel .................................................. 296
What Could Go Wrong? ...................................................................... 298
How to Import ZyWALL/USG Certificate for L2TP over IPsec in IOS mobile
phone......................................................................................................... 300
Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................. 300
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