ZyXEL Communications USG210 - What Could Go Wrong

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Figure 83 Menu > Settings > VPN > ZyXEL_L2TP

What Could Go Wrong?

If you see [alert] log message such as below, please check ZyWALL/USG L2TP

Allowed User or User/Group Settings. iOS Mobile users must use the same

Username and Password as configured in ZyWALL/USG to establish the L2TP VPN.

Figure 84

Main Page

Default Chapter2
- Table of Contents2
How to Configure Site-To-Site Ipsec VPN with Amazon VPC8
- Set up the Ipsec VPN Tunnel on the Amazon VPC9
- Set up the Ipsec VPN Tunnel on the Zywall/Usg13
- Test the Ipsec VPN Tunnel17
- What Could Go Wrong18
How to Configure GRE over Ipsec VPN Tunnel20
- Set up the Zywall/Usg GRE over Ipsec VPN Tunnel of Corporate Network (HQ)21
- Set up the Zywall/Usg GRE over Ipsec VPN Tunnel of Corporate Network (Branch)25
- Test the GRE over Ipsec VPN Tunnel30
- What Could Go Wrong30
How to Configure Ipsec Site to Site VPN While One Site Is Behind a NAT Router32
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (HQ)33
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (Branch)36
- Set up the NAT Router (Using Zywall USG Device in this Example)40
- Test the Ipsec VPN Tunnel42
- What Could Go Wrong43
How to Configure L2TP over Ipsec VPN While the Zywall/Usg Is Behind a NAT Router45
- Set up the L2TP VPN Tunnel on the Zywall/Usg_Hq46
- Set up the NAT Router (Using Zywall USG Device in this Example)50
- Test the L2TP over Ipsec VPN Tunnel52
- What Could Go Wrong55
How to Configure if I Want User Can Only See SSL VPN Login Button in Web Portal Login Page57
- Set up the DNS Service58
- Set up the Zywall/Usg SSL VPN Setting58
- Set up the Zywall/Usg System Setting59
- Test the SSL VPN60
How to Configure an SSL VPN Tunnel (with Secuextender Version 4.0.0.1) on the Windows 10 Operating System64
- Set up the SSL VPN Tunnel with Windows 1064
- What Can Go Wrong68
How to Redirect Multiple LAN Interface Traffic to the VPN Tunnel70
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (HQ)71
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (Branch)74
- Set up the Policy Route (Zywall/Usg_Hq)77
- Set up the Policy Route (Zywall/Usg_Branch)79
- Test the Ipsec VPN Tunnel80
- What Could Go Wrong82
How to Configure Ipsec VPN Failover84
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (HQ)85
- Set up the Zywall/Usg Ipsec VPN Tunnel of Corporate Network (Branch)88
- Set up the WAN Trunk (Zywall/Usg_Hq)92
- Set up the Failover Command Line (Zywall/Usg HQ)93
- Test the Ipsec VPN Tunnel95
- What Could Go Wrong96
How to Create VTI and Configure VPN Failover with VTI98
- VTI Deployment Flow98
- Set up the Zywall/Usg VTI of Corporate Network (HQ)99
- Set up the Zywall/Usg VTI of Corporate Network (Branch)104
- Test the Ipsec VPN Tunnel111
- What Can Go Wrong113
How to Import Zywall/Usg Certificate for L2TP over Ipsec in Android Mobile Phone115
- Set up the L2TP VPN Tunnel on the Zywall/Usg116
- Export a Certificate from Zywall/Usg and Import It to Android120
- Mobile Phone120
- Set up the L2TP VPN Tunnel on the Android Mobile Device121
- Test the L2TP over Ipsec VPN Tunnel124
- What Could Go Wrong126
How to Import Zywall/Usg Certificate for L2TP over Ipsec in IOS Mobile Phone128
- Set up the L2TP VPN Tunnel on the Zywall/Usg129
- Export a Certificate from Zywall/Usg and Import It to Ios Mobile Phone133
- Set up the L2TP VPN Tunnel on the Ios Mobile Device134
- Test the L2TP over Ipsec VPN Tunnel137
- What Could Go Wrong138
How to Configure the USG When Using a Cloud Based SIP System140
- Set up the SIP ALG141
- Test Result142
- What Could Go Wrong142
How to Block HTTPS Websites by Domain Filter Without Applying SSL Inspection143
- Set up the Content Filter on the Zywall/Usg144
- Set up the Security Policy on the Zywall/Usg146
- Set up the System Policy on the Zywall/Usg146
- Test the Result147
How to Configure Content Filter 2.0 - Geo IP Blocking149
- Set up the Address Objet with Geo IP on the Zywall/Usg150
- Set up the Security Policy on the Zywall/Usg151
- Test the Result152
- What Could Go Wrong153
How to Block the Client Accessing to Certain Country Using Geo IP and Content Filter154
- Check Geo IP License Status on the Zywall/Usg155
- Set up the Address Objet with Geo IP on the Zywall/Usg155
- Set up the Security Policy on the Zywall/Usg156
- Test the Result158
How to Set up Link Aggregation Group (LAG)160
- Set up the Active-Backup, 802.3Ad, Balance-Alb160
- Set up the Active-Backup Mode164
- Test the Result166
- What Can Go Wrong166
How to Restrict Web Portal Access from the Internet167
- Set up the Zywall/Usg System Setting168
- Test the Web Access169
How to Setup and Configure Daily Report171
- Set up the Zywall/Usg Email Daily Report Setting172
- Test the Daily Log Report173
- What Could Go Wrong174
How to Setup and Configure Email Logs175
- Set up the Zywall/Usg Email Logs Setting176
- Test the Email Log178
- What Could Go Wrong178
How to Setup and Send Logs to a Syslog Server179
- Set up the Syslog Server (Use Papertrail Syslog in this Example)180
- Set up the Zywall/Usg Remote Server Setting182
- Test the Remote Server183
- What Could Go Wrong184
How to Setup and Send Logs to a Vantage Reports Server185
- Set up the VRPT Server186
- Set up the Zywall/Usg Remote Server Setting189
- Test the Remote Server189
- What Could Go Wrong190
How to Enable and Send Logs to the USB Storage191
- Set up the USB System Settings192
- Set up the USB Log Storage192
- Check the USG Log Files193
How to Create a Wi-Fi VLAN Interfaces to Separate Staff Network and Guest Network194
- Set up Wi-Fi VLAN Interfaces195
- Test Result202
- What Could Go Wrong203
How to Activate a Free Access Hotspot205
- Set up the Free Access Hotspot206
- Test the User Agreement and Advertisement Webpage208
- What Could Go Wrong209
- Set up Enable the Free Time Feature210
- Test Free Time Feature215
- What Can Go Wrong218
How to Enable Device HA Pro220
- Device HA Pro License221
- Behavior of the Device HA Pro222
- Suggestions224
- How Do I Configure Device HA Pro in My Current Environment224
- What Can Go Wrong229
How to Set up Ipv6 Interfaces for Pure Ipv6 Routing231
- Setting up the Ipv6 Interface232
- Set up the Prefix Delegation and Router Advertisement234
- Test238
- What Can Go Wrong238
- Test240
How to Perform and Use the Packet Capture Feature on the Zywall/Usg241
- Set up the Packet Capture Feature242
- Check the Capture Files244
How to Automatically Reboot the Zywall/Usg by Schedule246
- Set up the Shell Script247
- Set up the Schedule Run248
- Check the Reboot Status249
How to Continuously Run a Zysh Script251
- Set up the Shell Script252

ZyXEL Communications USG210 - What Could Go Wrong

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