Networking
Learn computer networking through practical tutorials and clear explanations covering networking fundamentals, TCP/IP, IPv4, IPv6, routing, switching, VLANs, DNS, DHCP, network protocols, design, performance, and troubleshooting.
Subcategories
DNS & DHCP
Understand DNS resolution, DNS record types, recursive and authoritative DNS, caching, DHCP address allocation, the DORA process, leases, relay agents,…
ExploreNetwork Protocols
Explore important network protocols such as ARP, ICMP, TCP, UDP, HTTP, HTTPS, DNS, DHCP, SNMP, NTP, SSH, and other protocols…
ExploreNetworking Fundamentals
Learn the fundamentals of computer networking, including network types, the OSI model, the TCP/IP model, network devices, addressing, communication concepts,…
ExploreArticles in this category
Understanding VLAN Trunks: Definition, Benefits, and Considerations
A VLAN Trunks in networking carries multiple VLANs, allowing efficient communication between switches and routers, simplifying network design and management.
ReadIEEE 802.1Q (Dot1Q) Tagging: Benefits and Implementation
IEEE 802.1Q (Dot1Q) standard enables VLANs, creating virtual LANs within a physical network for improved traffic management and network segmentation.
ReadISL and Dot1Q: Cisco’s Proprietary Protocol vs Industry Standard
ISL and Dot1Q are VLAN tagging methods in Ethernet networks. ISL is proprietary to Cisco, while 802.1Q is open standard.
ReadEssential VLAN Types and Their Impact on Network Security
VLAN Types: VLANs are categorized into Port-Based, 802.1Q, Protocol-Based, MAC Address-Based, and Private VLANs, each serving specific networking purposes.
ReadLoopback Interface: Definition, Usage, and Benefits
Loopback interfaces are virtual interfaces allowing a device to communicate with itself, commonly used for testing network applications.
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