Interactive Networking Labs

Terminal emulation, subnetting, topology visualization, and auto-graded exercises.

SUBNETTING

IPv4 Subnetting Challenge

Practice VLSM design for a corporate network. Calculate network, broadcast, and usable host ranges with instant validation.

beginner · 30 min

SUBNETTING

Advanced VLSM Lab

Design subnets for unequal department sizes using VLSM.

intermediate · 45 min

VLAN

VLAN Segmentation Lab

Configure VLANs 10, 20, 30 on a switch and verify isolation with terminal emulation.

beginner · 40 min

ROUTING

Static Routing Lab

Configure static routes across three routers and verify end-to-end connectivity.

beginner · 50 min

ROUTING

OSPF Single-Area Lab

Enable OSPF area 0 on three routers and verify full adjacency.

intermediate · 55 min

FIREWALL

Firewall Hardening Lab

Apply secure baseline rules: default deny, management ACL, logging.

intermediate · 45 min

VPN

Site-to-Site IPsec VPN Lab

Configure IKEv2 IPsec tunnel parameters and verify encrypted traffic (simulated).

intermediate · 50 min

DNS

DNS Resolution Lab

Trace DNS queries, configure forwarders, and troubleshoot resolution failures.

beginner · 35 min

DHCP

DHCP Server Lab

Configure DHCP scopes, exclusions, and relay on Linux.

beginner · 40 min

LINUX_NETWORKING

Linux Networking Lab

Configure interfaces, routes, iptables/nftables basics, and tcpdump.

intermediate · 50 min

AWS_NETWORKING

AWS VPC Foundation Lab

Deploy VPC with public/private subnets, IGW, and route tables using guided Terraform.

intermediate · 60 min

LINUX_NETWORKING

Networking Fundamentals Live Lab

Hands-on Linux networking in an isolated container: interfaces, DNS, ping, traceroute, and route inspection. Powered by Tactiq.

beginner · 60 min

VIRTUAL_SANDBOX

Packet Flow Visualizer

Interactive animation tracing HTTP request encapsulation across OSI layers.

beginner · 20 min