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Routers

4 articles · Page 1 of 1
AI Agent Super App
AI Agent Super App
Jul 2, 2026 · Operations

Cisco Cheat Sheet: Switches, Routers, and Firewalls—From Model Selection to Ready‑to‑Copy Config Commands

This comprehensive guide walks you through Cisco's three major device families—switches, routers, and firewalls—covering model selection, initial console/SSH setup, VLANs, static and OSPF routing, NAT, IPSec VPN, ACLs, security policies, and essential troubleshooting commands, all with ready‑to‑paste examples.

CiscoFirewallsIPSec VPN
0 likes · 25 min read
Cisco Cheat Sheet: Switches, Routers, and Firewalls—From Model Selection to Ready‑to‑Copy Config Commands
Open Source Linux
Open Source Linux
Oct 20, 2022 · Fundamentals

How to Build and Troubleshoot a Home Network: From Cables to Routers

This guide explains the evolution of computer networking—from early isolated PCs to modern LAN components like cables, NICs, repeaters, hubs, bridges, switches, routers, wireless access points, firewalls, and traffic‑control devices—while offering solutions for common issues such as cable length, port limitations, speed, distance, security, and congestion across home, small‑business, campus, and data‑center environments.

FirewallsNetwork DesignRouters
0 likes · 8 min read
How to Build and Troubleshoot a Home Network: From Cables to Routers
Liangxu Linux
Liangxu Linux
May 5, 2021 · Fundamentals

Master Network Fundamentals: From Switches and MAC Learning to Static Routing

This guide explains how computers connect via cables, how switches use MAC addresses and learning tables to forward traffic, how routers employ IP addressing, subnet masks, CIDR and VLSM for scalable networks, and provides step‑by‑step static routing experiments with configuration commands.

IP addressingRoutersSubnetting
0 likes · 24 min read
Master Network Fundamentals: From Switches and MAC Learning to Static Routing