Access Points

1. What is the default account and password for Cisco AP to enter the system?
   Selene Gong

   37
   Accessing your Cisco Wireless Access Point (WAP) or Aironet AP is essential for configuration and performance optimization. Cisco APs typically ship with default login credentials like cisco/cisco or admin/admin, allowing you to access the GUI for initial setup and configuration. Default Cisco ...
2. What Is 802.11r and How Does Fast Roaming Work for Enterprise Wi-Fi?
   Selene Gong

   34
   802.11r, also known as Fast Basic Service Set Transition (FT) or Fast Roaming, is an IEEE 802.11 standard amendment designed to deliver seamless and rapid roaming for wireless clients within enterprise Wi-Fi networks. By drastically reducing the time required for a device to switch between ...
3. What Is an Access Point? — Explained for Network Engineers and SMBs
   Selene Gong

   28
   A wireless access point (AP) is a network device that allows Wi-Fi-enabled devices—such as laptops, smartphones, and IoT equipment—to connect to a wired Ethernet network. Unlike consumer routers that bundle routing and wireless functions, a dedicated AP focuses solely on wireless ...
4. What Is a WiFi Mesh Access Point? (For SMB and Enterprise Wireless)
   Selene Gong

   31
   A WiFi mesh access point (mesh AP) is a wireless node in a mesh network that connects with other mesh APs to create seamless, scalable WiFi coverage across large or complex spaces—without requiring Ethernet cabling for each AP. Mesh APs are ideal for SMBs, schools, hospitality, retail, and ...
5. Can an Access Point Connect to Devices via Ethernet? (Explained for SMB & Enterprise Networks)
   Selene Gong

   34
   In enterprise and SMB environments, wireless access points (APs) are primarily used to provide WiFi connectivity. However, many IT administrators ask whether access points can also serve wired devices through Ethernet connections. The answer depends on the type of access point and how it's ...
6. Mastering the UniFi AP Factory Reset: A Practical Troubleshooting Guide (U6-Lite, U6-LR, AC-Pro & More)
   Selene Gong

   19
   A factory reset is often the quickest way to recover a UniFi Access Point (AP) when it becomes unresponsive, stuck in an adoption loop, or still believes it is managed by an old controller. Whether you're working with an AC-Lite, AC-Pro, U6-Lite, or U6-LR, the reset process is nearly the ...
7. What’s the Difference Between a Router and an Access Point?
   Selene Gong

   18
   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 ...
8. How to Reset a Ubiquiti Access Point Using PuTTY CLI
   Selene Gong

   20
   Sometimes network issues can’t wait for a site visit. Whether your Ubiquiti AP is mounted on a high ceiling, hidden in a server room, or deployed at a remote branch, knowing how to reset a Ubiquiti access point via PuTTY CLI can save you hours of troubleshooting. Performing a factory reset via ...
9. How to Reset a UniFi Access Point: A Professional Guide to Methods, Risks, and Recovery
   Selene Gong

   19
   Resetting a UniFi Access Point (AP) is rarely about simply pressing a button. For network administrators and IT teams, the decision to reset involves evaluating downtime risk, adoption state, and configuration preservation. This guide provides a decision-driven framework to choose the right ...
10. SFP vs SFP+ vs SFP28 vs QSFP vs QSFP28: Choosing the Right Optical Transceiver for Data Centers
    Selene Gong

    18
    In modern enterprise networks and high-performance data centers, choosing the right optical transceiver is more than a technical formality—it directly affects port density, power budgets, network performance, and total cost of ownership (TCO). Misunderstanding the differences between SFP, ...