With the in-depth development of Industry 4.0 and intelligent manufacturing, enterprises have increasingly higher requirements for network connectivity. Traditional industrial network architectures are gradually revealing their limitations when facing demands such as multi-site interconnection, real-time data transmission, and flexible expansion. The emergence of SD-WAN (Software-Defined Wide Area Network) technology has brought revolutionary changes to industrial networks. T

Table of Contents Industrial Router Installation and Initial Setup 1.1 Installation Preparation 1.2 Initial Configuration Common Issues and Troubleshooting 2.1 Power and Hardware Issues 2.2 Weak or Unstable Signal 2.3 Connection Interruptions or No Internet 2.4 Performance Degradation or Reboots 2.5 VPN or Protocol Conversion Failure 2.6 Configuration and Access Issues 2.7 Compatibility and Integration Issues 3. Tool Usage Details 3.1 Network Sniffer 3.2 Log Analysis 3.3 Diag