Cisco Nexus 9000 Series Selection Guide: Which Switch to Buy
For most enterprise leaf, top-of-rack, and fixed-spine projects, start with the Nexus 9300. It has the broadest choice of fixed configurations,...
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Cisco Multimode vs Single-Mode Fiber: Cost, Distance, Optics, and Deployment Guide
Cisco multimode fiber (MMF) is typically deployed for short-distance links using SR (Short Reach) optics within data centers and campus...
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SFP-10G-LR vs SFP-10G-SR: Distance, Cost, Compatibility, and Troubleshooting Guide
Direct Answer The SFP-10G-SR transceiver is engineered for short-range 10-Gigabit deployments over Multimode Fiber (MMF), utilizing an 850nm wavelength. The...
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What Is a Cisco Multigigabit Switch? Speeds, Cabling, and Selection
A Cisco multigigabit switch has multi-rate copper ports that can negotiate a common Ethernet speed such as 1, 2.5, 5,...
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How to Recover a Cisco Switch Password Without Losing Configuration
To recover a Cisco switch password without losing your current configuration, power cycle the device and hold the Mode button...
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How to Factory Reset a Cisco Switch: The Ultimate Guide
Whether you are troubleshooting a catastrophic network loop, decommissioning end-of-life hardware, or repurposing an inherited device with unknown credentials, executing...
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Fixed vs Modular Cisco Switch: Architecture, Cost, and Upgrade Path Guide
A fixed Cisco switch has a predetermined number of ports built into the hardware and is typically deployed as a...
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Cisco Catalyst 9800 Wireless Controller Comparison: C9800-L-C-K9 vs C9800-L-F-K9 vs C9800-40-K9 vs C9800-80-K9
When choosing a Cisco Catalyst 9800 wireless LAN controller, the C9800-L-C-K9 and C9800-L-F-K9 fit small to midsize deployments, while the...
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How to Configure a Cisco Switch: Initial Setup, Management IP, VLANs, Trunks, and SSH
Configuring a Cisco switch for first-time deployment usually includes console access, basic security, setting a management IP, VLAN preparation, trunk...
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Cisco StackWise Explained: How Cisco Switch Stacking Works
Quick answer: Cisco StackWise joins compatible switches through dedicated stacking connections so they operate as one logical switch, with shared control...
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How to Choose a Cisco PoE Switch: The Enterprise Deployment Guide
Choosing a Cisco PoE switch requires a deployment-first methodology, not just a port count. Enterprise architects must select switches based...
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Cisco Industrial Switch Models by Port Count: 4, 8, 10, 12, 16, 20, 24, and 48 Port Options
Cisco industrial switches should be selected by port count, PoE budget, uplink type, mounting style, and deployment role. Smaller 4-port...
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Cisco Switch Ports Explained: Physical Types, Logical Modes, and CLI Configuration
Cisco switch ports are categorized by their physical hardware interfaces (such as RJ45 copper, fiber-optic SFP uplinks, and console ports),...
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New vs Refurbished Cisco Equipment: Cost, Reliability, and Enterprise Buying Guide
Refurbished Cisco equipment refers to previously used Cisco hardware that has been rigorously tested, repaired, and certified for resale. Compared...
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Perpetual vs. Subscription Licensing in Cisco Networks: CAPEX vs. OPEX for Procurement Teams
Ten years ago, buying Cisco infrastructure was a predictable capital event. You bought a Catalyst switch, depreciated it over five...
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