Troubleshooting & Solution Documents
These documents are based on common issues and the diagnostic process used to identify the root cause, along with the troubleshooting steps required to resolve them
By Rohit1 author26 articles
Diagnosis & Troubleshooting
Diagnosis & Troubleshooting
- Device Offline in Cloud but POS WorkingControl Plane Tunnel Failure – Device Offline in Cloud but POS Working
- DHCP Server Down (Existing Devices Work, New Ones Fail)
- Payment Terminals Offline During Peak Hours Due to Broadcast Storm Saturation or High Bandwidth Utilization
- Pronto Not Switching to ISP (Wired WAN Shows 0.0.0.0)
- Trunk/Hybrid Port Vlan Misconfiguration
- Duplicate IP & Lease Conflict
- Cellular IP Shows 0.0.0.0 While Wired Is Active (Failover Not Ready)
- Intermittent Client Connectivity Due to Wireless Interference
- Clients unable to receiving IP via DHCP
- Firewall Advanced Configuration Issues
- Frequent Switchover in Dual Uplink Between Wired and LTE
- Device Roaming Issues Due to Poor Channel Plan or AP Placement
- DNS Failure – Internet Connected but Websites and POS Payments Not Working
- VLAN Leaks via Unmanaged Switches
- Rouge DHCP Scenarios
- MAC Flapping Between Ports
- SSID Security Misconfigurations
- Static IP vs DHCP Pool Conflict
- PoE / Power Issues on Access Points (APs)
- Traffic Saturation / Peak-Hour Issues
- Radio Profiles, Channel Conflicts & Interference
- PC61 Client Identification & Client Table Management
- (Network Loop) Upstream Network Clients Appearing in PC61 LAN Client List
- Native VLAN Mismatch on Trunk Port
- Pronto Router - Switch - AP all are online (wired client working but no wireless client is able to connect DHCP is not allocating IP)
- DNS Failure – Router Not Coming Online in PCC (Pronto Environment)
