ZyXEL Communications ZyWALL 110 Handbook page 7

4.8.12 Spoke_Branch_A .................................................................................................................180
4.8.13 Spoke_Branch_B .................................................................................................................182
4.8.14 Test the IPSec VPN Tunnel .................................................................................................184
4.8.15 What Can Go Wrong? .........................................................................................................186
4.9 How to Use Dual-WAN to Perform Fail-Over on VPN Using the VPN Concentrator ......................187
4.9.1 Set Up the IPSec VPN Tunnel on the ZyWALL/USG ............................................................187
4.9.2 Hub_HQ-to-Branch_A ...........................................................................................................187
4.9.3 Hub_HQ-to-Branch_B ...........................................................................................................189
4.9.4 Hub_HQ Concentrator ...........................................................................................................191
4.9.5 Spoke_Branch_A ...................................................................................................................192
4.9.6 Spoke_Branch_B ...................................................................................................................194
4.9.7 Test the IPSec VPN Tunnel ...................................................................................................197
4.9.8 What Can Go Wrong? ...........................................................................................................199
Chapter 5
Create Client-to-Site VPN Tunnels ..................................................................................................200
5.1 How to Configure IPSec VPN with ZyWALL IPSec VPN Client ......................................................200
5.1.1 Set Up the ZyWALL/USG IPSec VPN Tunnel .......................................................................200
5.1.2 Set Up the ZyWALL IPSec VPN Client ..................................................................................203
5.1.3 Test the IPSec VPN Tunnel ...................................................................................................205
5.1.4 What Can Go Wrong? ...........................................................................................................206
5.2 How to Configure L2TP VPN with Android 5.0 Mobile Devices ......................................................207
5.2.1 Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................................................208
5.2.2 Set Up the L2TP VPN Tunnel on the Android Device ........................................................... 211
5.2.3 Test the L2TP VPN Tunnel ....................................................................................................213
5.2.4 What Can Go Wrong? ...........................................................................................................214
5.3 How to Configure L2TP VPN with iOS 8.4 Mobile Devices .............................................................215
5.3.1 Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................................................215
5.3.2 Set Up the L2TP VPN Tunnel on the iOS Device ..................................................................218
5.3.3 Test the L2TP VPN Tunnel ....................................................................................................219
5.3.4 What Can Go Wrong? ...........................................................................................................221
5.4 How to Import ZyWALL/USG Certificate for L2TP over IPsec in Windows 10 ................................221
5.4.1 Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................................................222
5.4.2 Export a Certificate from ZyWALL/USG and Import it to Windows 10 Operating System .....225
5.4.3 Set Up the L2TP VPN Tunnel on the Windows 10 ................................................................228
5.4.4 Test the L2TP over IPSec VPN Tunnel ..................................................................................230
5.4.5 What Can Go Wrong? ...........................................................................................................231
5.5 How to Configure the L2TP VPN with Apple MAC OS X 10.11 Operating System .........................232
5.5.1 Set Up the L2TP VPN Tunnel on the ZyWALL/USG .............................................................233
5.5.2 Set Up the L2TP VPN Tunnel on the Apple MAC OS X 10.11 El Capitan Operating System 236
5.5.3 Test the L2TP VPN Tunnel ....................................................................................................238
5.5.4 What Can Go Wrong? ...........................................................................................................239
5.6 How to Deploy SSL VPN with Apple Mac OS X 10.10 Operating System ......................................240
ZyWALL/USG Series User's Guide
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