ccna

Hands-on CCNA networking labs and projects using Cisco Packet Tracer.

Free subnetting practice: CIDR tables, cheat sheet & drills for CCNA and Network+.

Free Cisco CCNA 200-301 study resources: IOS command reference, subnetting, VLAN & OSPF, practice questions.

Collection of Cisco Packet Tracer network simulation labs, PKT topology designs, and tutoring activities for computer networking practice.

Traducción al español de Cisco Packet Tracer 9.0.0.0810 (CC BY-NC-SA 4.0).

Hands-on Cisco Packet Tracer and networking labs completed as part of Cyber Security and independent CCNA studies. Covers switching, routing and network security configuration

Malaika Azhar | Network & Security Engineer · IT Support · Cybersecurity · SOC Operations

Interaktiivinen 3D-verkkosimulaattori ja opetuspeli IPv4-aliverkotukseen (Subnetting) ja CIDR-laskentaan (61 tasoa, Three.js).

Comprehensive enterprise NOC and data center network lab built in GNS3, featuring OSPF dynamic routing, VLAN segmentation, Zabbix SNMP monitoring, and secure IPsec Site-to-Site VPN integration.

Computer Network Learning Simulator Web Application

Cisco Packet Tracer lab covering DHCP configuration, automatic IP assignment, IP exclusion, Cisco IOS CLI, and basic router access security.

Study notes for Cisco CCNA 200-301 course

IPv4 subnet, equal-split and VLSM calculator in the browser. No framework, tested core. Live demo: https://umer-78.github.io/subnet-calculator/

Multi-building university campus network in Cisco Packet Tracer: VLSM addressing, RIPv2 + static routing, floating static backup route, ACL-based department isolation, and centralized DHCP/DNS/Web services.

Five Cisco Packet Tracer labs covering DHCPv4 (router and server based, with relay), DNS, static and default routes, IPv4/IPv6 floating static failover, and RIPv2. Each lab includes topology, addressing, configs and verification.

Two-router Cisco Packet Tracer lab: IOS initial setup, password hardening, MOTD banner, serial WAN link (DCE/DTE), and connectivity verification.

Interactive study tools and practice games to help prepare for the CCNA and general networking exams.

Calcula VLSM para redes IP: subredes, hosts, red, broadcast, CIDR y clases de IP en una interfaz clara e interactiva

🛠️ Build and showcase your CCNA skills with hands-on labs in network configuration, troubleshooting, and design using GNS3 and VMware.

CCNA lab commands and quick references from the JITL course.