Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 8/159
4.4 VPN
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82
4.4.1 IPsec
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82
4.4.2 OpenVPN
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90
4.4.3 GRE
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103
4.5 Services
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104
4.5.1 Syslog
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104
4.5.2 Event
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105
4.5.3 NTP
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109
4.5.4 SMS
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110
4.5.5 Email
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111
4.5.6 DDNS
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112
4.5.7 SSH
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113
4.5.8 GPS (Optional)
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114
4.5.9 Web Server
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119
4.5.10 Advanced
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120
4.5.11 Smart Roaming
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121
4.6 System
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125
4.6.1 Debug
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125
4.6.2 Update
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126
4.6.3 App Center
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126
4.6.4 Tools
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127
4.6.5 Profile
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130
4.6.6 User Management
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132
4.7 Edge2cloud
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133
4.7.1 Edge2cloud
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133
4.7.2 E2C Broker
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133
Chapter 5 Configuration Examples
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136
5.1 Cellular
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136
5.1.1 Cellular Dial-Up
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136
5.1.2 SMS Remote Control
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138
5.2 VPN Configuration Example
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140
5.2.1 IPsec VPN
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140
5.2.2 OpenVPN
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144
5.2.3 GRE VPN
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146
Chapter 6 Introductions for CLI
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148
6.1 What Is CLI
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148
6.2 How to Configure the CLI
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150
6.3 Commands Reference
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150
6.4 Quick Start with Configuration ExampleS
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151
Glossary
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158