Category: Troubleshooting

How to Fix Co-channel Interference in High-Density AP Deployments 1. Introduction 2. Comparison of Co-Channel Interference Characteristics: 2.4GHz vs. 5GHz   2.1 The 2.4GHz Band: Naturally Congested   2.2 The 5GHz Band: The “Invisible Killer” Often Overlooked 3. Methods for Identifying Co-Channel Interference   3.1 Dimension One Identifying Channel Congestion via Wi-Fi Scan   3.2 Assessing Interference Impact via Client SNR Trend 4. Strategies for Resolving Co-Channel Interference   4.1 Specialized Strategies for the 5GHz...

A Detailed Checklist for Link Failures Troubleshootingin AI Data Centers Introduction 1. Verify Fiber and Transceiver Compatibility 2. Verify Fiber Cable Status 3. Verify Optical Transceiver Status 4. Verify Optical Power Status 5. (Optional) Verify SNR and BER Status 6. Verify Port Administrative Status 7. Verify Speed, FEC, and Auto-Negotiation Settings 8. Contact Technical Support Team Download Introduction This guide provides a structured approach to troubleshooting network link failures in AI data centers, specifically targeting issues where the link...

RF Interference Troubleshooting and AP Performance Optimization —The Lunchtime Network Curse: Using Full-Link Telemetry to Precisely Locate Non-Wi-Fi Interference 1. Introduction 2. Core Troubleshooting Logic: Noise Floor and Signal-to-Noise Ratio (SNR) 3. 3-Step RF Interference Troubleshooting via Controller   3.1 Dimension One   3.2 Dimension Two   3.3 Dimension Three 4. Optimization Recommendations: “Physical Steering” and Avoidance in Dual-Band Same-SSID Deployments 5. Final Troubleshooting Checklist 1. Introduction In campus...

How to Fix AP Onboarding and Registration Failures —From Physical Link to Logical Activation 1. Introduction 2. In-Depth Analysis of Physical Link and PoE Power Supply 3. L2/L3 Discovery Phase — “Trinity” Addressing Mechanism 4. Identity Verification and License Activation (Core Admission Logic) 5. Configuration Provisioning and Controller Tag Matching 6. Final Troubleshooting Checklist Submit a Ticket 1. Introduction In the Asterfusion OpenWiFi campus solution, AP onboarding is not merely about “obtaining an IP address.” It is a precise closed loop...