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IT BIBLE LABS

Networking labs

Switches, routers, VLANs, firewalls and port security. Practice in your browser, with nothing to install and nothing to break. Finish a lab to earn a badge and points in the community.

9 labsAll 40 labsLearning pathsFree to start

Showing 9 of 9 labs

  • Networkingbeginner

    Configure a switch from scratch

    Take a brand-new switch from factory settings to ready for work. Name it, protect it with passwords, give it an address, check it can reach the gateway, and save your work.

    25 min7 steps50 points

  • Networkingbeginner

    Secure the switch ports

    Lock down a switch the way a real network does. Limit which devices can plug into each port, shut off the ports nobody uses, and save the result.

    25 min5 steps50 points

  • Networkingintermediate

    Split a switch into VLANs

    Split one switch into separate Sales and Engineering networks with VLANs, then carry both across a trunk to a second switch.

    30 min6 steps50 points

  • NetworkingTroubleshootingintermediate

    Troubleshoot: Engineering cannot reach the file server

    After a weekend network change, nobody in Engineering can reach the file server and a new hire cannot get on the network at all. Read the switch, find what the change missed, and put it right.

    25 min5 steps60 points

  • NetworkingTroubleshootingintermediate

    Troubleshoot: a desk went dead overnight

    One desk lost its network connection and nobody touched the switch. Find out why the switch shut the port down, fix the cause and not just the symptom, and bring the port back.

    25 min5 steps60 points

  • Networkingintermediate

    Protect a MikroTik router with a firewall

    Add firewall rules in the right order to protect a router from the internet, then publish a web server inside the network with a port forward.

    35 min10 steps60 points

  • Networkingintermediate

    Separate networks with VLANs on a MikroTik

    Use one MikroTik bridge to split a router into separate Sales and Engineering networks, carry both over a trunk, and add a management VLAN.

    40 min9 steps60 points

  • Networkingbeginner

    Set up a MikroTik router from scratch

    Take a factory MikroTik router to a working home or small-office gateway: a LAN bridge, DHCP, a way out to the internet with NAT and DNS, and a backup.

    35 min11 steps50 points

  • NetworkingTroubleshootingintermediate

    Troubleshoot: the whole office is offline

    Everyone in the office has lost the internet, but the router itself is fine and the ISP light is on. Test the way the office sees the network, read the rules, and find the one that is wrong.

    25 min6 steps60 points

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