HomePractice Tools

CCNA Practice Tools

Interactive tools to help you practice and master essential CCNA skills. These simulators and calculators will help reinforce your understanding of key networking concepts.

Practice Subnetting

Practice IPv4 subnetting skills with this interactive tool. Calculate network addresses, hosts, and more.

Master subnetting by calculating network address, first host, last host, broadcast address, and next subnet for randomly generated IP addresses.

Open Tool

VLAN Configuration Tool

Practice configuring VLANs, trunking, and inter-VLAN routing with this interactive simulator.

Learn how to set up and manage virtual LANs in a simulated network environment. Configure switches, routers, and test connectivity between VLANs.

Open Tool

ACL Builder

Practice creating and testing Access Control Lists (ACLs) for Cisco devices.

Learn how to configure standard and extended ACLs and test them against sample traffic. Understand how ACLs filter network traffic based on specified criteria.

Open Tool

OSPF Simulator

Practice configuring OSPF routing and understand how OSPF builds routing tables.

Create routers, interfaces, and areas, then watch how OSPF discovers routes and builds the routing table. Visualize the OSPF process step by step.

Open Tool

IPv4 Converter

Convert between IPv4 addresses, binary, hexadecimal, and decimal formats.

Practice converting IP addresses to binary and hexadecimal formats. Understand how IP addresses are represented at different levels and improve your binary calculation skills.

Open Tool

IPv6 Converter

Convert between IPv6 addresses, hexadecimal, and binary formats with this interactive tool.

Practice converting IPv6 addresses to binary and hexadecimal formats. Understand IPv6 address compression, expansion, and improve your hexadecimal calculation skills.

Open Tool