What Is Cisco Non-Stop Forwarding (NSF) and How Does It Work?
Cisco Non-Stop Forwarding (NSF) is a high-availability feature that keeps a router or switch forwarding IP packets while its control...
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Practical networking knowledge for enterprise IT teams, integrators, and technical buyers. Topics include switching, routing, wireless, security, interfaces, troubleshooting, and deployment concepts, with a focus on decision support and real infrastructure planning.
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What Is a Crossover Cable? Pinout, Uses, and Wiring
A crossover cable — also called a cross network cable or crossover Ethernet cable — is an Ethernet cable wired with the T568A standard...
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NAT vs PAT: Key Differences, NAT Types, and How They Work
NAT and PAT both translate private IP addresses to public ones, but PAT also translates ports. Plain NAT (static or...
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VLAN vs Subnet: Key Differences and How They Work Together
A VLAN and a subnet both segment a network, but at different layers. A VLAN isolates devices into separate broadcast...
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What Is an SFP Port on a Switch?
An SFP port is a modular slot on a network switch that accepts a small, hot-swappable transceiver module. The port...
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Cisco Industrial Ring Redundancy: REP vs MRP vs PRP vs HSR vs DLR
Five protocols cover ring and parallel redundancy on Cisco industrial switches: REP (Cisco-proprietary ring convergence), MRP (the IEC 62439-2 ring...
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Default VLAN vs Native VLAN: Cisco Differences and Examples
The default VLAN is the VLAN a switch uses for ports before you assign them to another VLAN. On Cisco...
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Router vs Firewall vs Switch: Who Controls Traffic, Access, and Security?
Most business networks don’t fail because a router, switch, or firewall is “bad.” They fail because the wrong device was...
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Mbps vs MB/s (and MB vs Mbps): What’s the Difference?
Mbps means megabits per second — a speed. MB/s means megabytes per second — also a speed, but 8 times larger. MB (megabyte) is a file size, not a speed. Because...
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KB vs MB vs GB vs TB: Which Is Bigger? (Order, Chart & Conversions)
From smallest to largest, the order is byte < KB < MB < GB < TB. Each unit is about 1,000 times...
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Spine-Leaf vs Traditional Architecture: Data Center Network Design
Direct Answer Spine-leaf architecture is a modern two-tier data center network design where every leaf switch connects to every spine...
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What Is 10 Gigabit Ethernet? The Definitive Enterprise Architecture Guide
Direct Answer 10 Gigabit Ethernet (10GbE) is a high-speed telecommunications standard defined by IEEE 802.3ae that enables data transmission at...
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Mbps vs Gbps: Internet Speeds, Conversions, and Which Is Better?
Gbps is bigger than Mbps. A gigabit per second (Gbps) equals 1,000 megabits per second (Mbps), so 1 Gbps is the faster,...
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Access Port vs Trunk Port: The Ultimate Guide to VLAN Switchport Modes
An access port and a trunk port differ fundamentally in how they process Virtual Local Area Network (VLAN) traffic. An...
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Cisco StackWise vs StackWise Virtual: Architecture, Differences & Deployment Guide
Direct Answer The main difference between Cisco StackWise and StackWise Virtual lies in their topology and deployment tier. StackWise is...
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