CM820V-4 User Manual
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3.5.7 SMS
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3.5.8 VPN
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3.5.8.1 IPSEC
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3.5.8.2 PPTP
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3.5.8.3 L2TP
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3.5.8.4 OpenVPN
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3.5.8.5 GRE tunnel
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3.5.9 DDNS
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3.5.10 Connect Radio Module
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3.6 Network Configuration
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3.6.1 Operation Mode
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3.6.2 Mobile configuration
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3.6.3 Cell mobile data limitation
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3.6.4 LAN settings
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3.6.5 Wired-WAN
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3.6.6 WiFi Settings
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3.6.6.1 Wifi General configuration
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3.6.6.2 WiFi Advanced Configuration
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3.6.6.3 WiFi Interface Configuration
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3.6.6.4 WiFi AP client
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3.6.7 Interfaces Overview
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3.6.8 Firewall
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3.6.8.1 General Settings
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3.6.8.2 Port Forwards
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3.6.8.3 Traffic rules
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3.6.8.4 DMZ
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3.6.8.5 Security
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3.6.9 Static Routes
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3.6.10 Switch
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3.6.11 DHCP and DNS
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3.6.12 Diagnostics
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3.6.13 Loopback Interface
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3.6.14 Dynamic Routing
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3.6.15 QoS
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