Articles by tag "Network Hardware"

1. SFP vs. SFP+: What’s the difference?
   leo peng

   127
   SFP Definition SFP, which stands for small form-factor pluggable, is a compact, hot-pluggable optical module transceiver used for both telecommunication and data communications applications. The devices are designed for use with small form factor (SFF) connectors, and offer high speed and ...
2. Cisco Catalyst 9300 Switch vs. 3850 Switch
   leo peng

   31
   Cisco Catalyst 9300 switch series is one of the latest Catalyst series, and a subseries of Catalyst 9000 series. They were launched at 2017. As the second new series, will Catalyst 3850 be replaced by Catalyst 9300? Let’s compare them now! Cisco Catalyst 9300 Overview Cisco Catalyst 9300 ...
3. The Questions about the Cisco 10GBASE X2 Module & SFP Compatibility
   leo peng

   81
   The more detailed Qs you can read as follows: Q1: “I have a X2-10GB-LX4 in a core switch, I need to connect a WLC8510 which uses SFP+ optics, is there a compatible SFP that will work?” Q2: Issue One: “I have a 6506-E with WS-X6708-10Gig Modules and i have ...
4. Cisco GLC-T vs. GLC-TE: A Detailed Comparison for Network Professionals
   Selene Gong

   31
   Cisco GLC-T and GLC-TE are both 1000BASE-T SFP transceiver modules designed for Gigabit Ethernet connectivity over Category 5 copper wire using standard RJ-45 connectors. They provide a cost-effective solution for short-distance network links, typically up to 100 meters. Understanding their ...
5. How Much Power Does a PoE Switch Provide
   Selene Gong

   38
   Power over Ethernet (PoE) technology has revolutionized network deployments by enabling both power and data transmission over a single Ethernet cable. This simplifies cabling, reduces infrastructure costs, and offers greater flexibility in device placement. For network engineers, IT admins, and ...
6. How to Choose Power Supplies for Cisco Catalyst 9300/9400/9500 Switches
   Selene Gong

   19
   Choosing the right power supply for your Cisco Catalyst switches is critical to ensure network reliability, minimize downtime, and support future expansion. Whether you're deploying Catalyst 9300 at the access layer, Catalyst 9400 in the distribution layer, or Catalyst 9500 at the core, ...
7. Cisco PID vs VID vs Serial Explained: How to Verify and Manage Your Cisco Devices
   Selene Gong

   18
   When managing enterprise networks, ensuring that your Cisco devices are genuine, compatible, and supported is critical. Cisco devices come with three key identifiers—PID (Product ID), VID (Version ID), and Serial Number (SN)—which are essential for procurement, upgrades, and asset ...
8. Managed vs Unmanaged Switch: How to Choose the Right Network Hardware for Your Business
   Selene Gong

   18
   In any network deployment, selecting the right switch is more than just plugging in devices. The choice between a Managed and an Unmanaged Switch can significantly affect network performance, security, and operational costs. Choosing incorrectly can lead to congestion, security vulnerabilities, ...
9. How to Replace Power Supply on Cisco Switches: Enterprise Guide
   Selene Gong

   18
   Power supply failures on Cisco switches can lead to unexpected downtime, stack desynchronization, and SLA violations. For enterprise networks, maintaining power redundancy and following a fast, safe, and standardized replacement procedure is essential. This guide walks you through the process ...