Network Engineering Course — InfraLab IT Academy

Curriculum

6 modules — aligned with CCNA 200-301

Every module is reinforced with Cisco Packet Tracer / GNS3 lab exercises.

The Network Engineer role and career path, certification roadmap (CCNA → CCNP)
Topologies: three-tier and collapsed-core architecture
OSI/TCP-IP in depth, Ethernet and frame structure
Cabling (Cat5e/6/6a, optical SMF/MMF), transceivers (SFP/SFP+)
Intro to Cisco IOS, CLI modes, show commands

How switches work, the MAC address table
Creating VLANs, trunking (802.1Q), VTP
STP/RSTP, PortFast, BPDU Guard, EtherChannel (LACP)
Port security, inter-VLAN routing (router-on-a-stick, SVI)
Project: VLANs + trunking + STP + EtherChannel + inter-VLAN routing

Routing tables, longest prefix match, AD and metrics
VLSM/CIDR subnetting, IPv6 addressing (SLAAC, EUI-64)
Static routing, OSPF (single/multi-area), EIGRP basics
HSRP/VRRP, DHCP relay, DNS integration
Project: OSPF multi-area + static routing + HSRP + DHCP

NAT/PAT, standard and extended ACLs
WAN technologies: leased line, MPLS, Metro Ethernet
PPP/HDLC, VPN (site-to-site, GRE tunnel), QoS basics
NTP, Syslog, SNMP, CDP/LLDP, IP SLA monitoring
Project: branch–HQ WAN — NAT + ACL + PPP/VPN + NTP/Syslog

Device hardening, AAA (RADIUS/TACACS+), 802.1X
Layer 2 protection: DHCP snooping, DAI, BPDU Guard
Wi-Fi: 802.11 standards, WLC, CAPWAP, roaming
WPA2/WPA3, 802.1X/EAP, guest networks
Project: a secured campus network — L2 protection + AAA + wireless

SDN, controller-based networking (Cisco DNA Center)
REST API, RESTCONF/NETCONF, Python + netmiko, the Ansible network module
SNMP monitoring (Zabbix/PRTG), NetFlow, troubleshooting methodology
Final project: an enterprise campus + WAN design (VLAN, OSPF, NAT, ACL, wireless, security) + automation

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Required infrastructure

Cisco Packet Tracer (free) for core practice; GNS3/EVE-NG + Cisco IOS images for advanced labs; where possible, a real Cisco switch/router and a Wi-Fi AP + WLC stand.

🎓 Final project (2 parts)

Enterprise network design and its defense

Part 1: a complete campus + WAN design — VLAN, OSPF, NAT, ACL, wireless, security. Part 2: adding automation, a documented diagram (Draw.io), a portfolio, and a certificate.

Full track: System Administration (100 hours) + Network Engineering (120 hours) = 220 hours — from zero to CCNA level

Certifications

Recommended certifications

In priority order.

1 CompTIA Network+ 2 Cisco CCNA (200-301) 3 CCNP Enterprise 4 MikroTik MTCNA / Juniper JNCIA

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