Routers

1. How to Harden Cisco Routers: Practical Security Steps and Troubleshooting Tips
   Selene Gong

   33
   Whether you’re managing a small branch office or a multi-site enterprise, securing your Cisco network devices is crucial. From ensuring ISR 4331 routers don’t drop traffic unexpectedly to understanding how switches handle frames, knowing what’s happening under the hood can save hours of ...
2. How to Install VPN on Your Router: Performance, Deployment, and Best Practices
   Selene Gong

   38
   Installing a VPN directly on a router is an effective approach to secure network traffic across multiple sites, remote branches, or distributed teams while controlling deployment costs and timelines. Modern IT environments often face hardware constraints, urgent connectivity requirements, and ...
3. Huawei Router Reset & Password Recovery: The Complete Guide (AR Series, AX3, ONT, SMB Routers)
   Selene Gong

   34
   When a Huawei router stops responding, the password is lost, or configuration mistakes lock you out, a factory reset often becomes the fastest way to recover access. But Huawei has multiple product lines — AR enterprise routers, AX series Wi-Fi routers, and ISP/ONT gateways — and each ...
4. ZTE Router Login Guide for SMBs and Network Professionals – Access, Troubleshoot, and Secure Your Device
   Selene Gong

   45
   Accessing a ZTE router or ONT is not just a home user task. For SMBs and network professionals, proper login is critical for: Configuring VLANs, QoS, and bandwidth controls Enabling bridge mode for enterprise routers (Cisco, HPE, Ubiquiti) Performing secure firmware updates and maintaining ...
5. How to Locate Your Netgear Router’s Serial Number (S/N)?
   Selene Gong

   36
   For network administrators, IT engineers, and SMB procurement teams, identifying the exact Serial Number (S/N) and Model Number of a Netgear router is more than a simple label check—it is essential for warranty claims, firmware integrity, RMA processing, and long-term asset management. ...
6. Cisco ISR 4000 Factory Reset Guide: When to Reset, What You’ll Lose, and Whether to Keep or Replace Your Router
   Selene Gong

   37
   Factory resetting a Cisco ISR 4000 router is rarely a routine maintenance task. In real enterprise environments, it usually happens under pressure—lost credentials, inherited hardware with unknown history, unstable deployments, or security concerns. This guide goes beyond basic commands. It ...
7. Cisco ISR 800 Series Factory Reset: Best Practices for Secure Reset and Deployment
   Selene Gong

   30
   The Cisco ISR 800 Series, including models like the rugged IR829, forms the backbone of connectivity for remote offices, industrial sites, and small businesses. For IT administrators, network engineers inheriting locked-down devices, or MSPs preparing hardware for deployment, performing a ...
8. What’s the Difference Between a Router and an Access Point?
   Selene Gong

   40
   Understanding the roles of different networking devices is essential for planning and deploying an effective network. Many beginners confuse routers and access points (APs), but these devices perform distinct functions. Knowing how they work and when to use each can save time, improve network ...
9. Router vs Switch vs Firewall: Differences, Use Cases, and How to Build a Reliable Network
   Selene Gong

   37
   When planning an enterprise network, many IT teams struggle to understand the roles of switches, routers, and firewalls. Misunderstanding these devices can lead to misconfigurations, security gaps, and inefficient traffic flow. Questions like difference between router and switch or “which ...
10. Cisco Router End of Life (EOL) List: Plan Upgrades Before Service Disruption
    Selene Gong

    31
    Managing the lifecycle of enterprise routers is crucial to maintaining security, compliance, and uptime. When a Cisco router reaches its End of Life (EOL), it introduces risks such as unpatched vulnerabilities, unsupported hardware failures, and potential SLA violations. Proactive planning for ...