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Interactive Packet Lab

Change a network setup, predict the result, and follow the packet one hop at a time. This sample runs in your browser; its attempts are not saved.

Hop 1 of 6: PC sends toward its gateway

Predict: for a remote destination, which device’s MAC is the destination of the PC’s first Ethernet frame?

More packet practice

Open the guided players already built into our lessons.

Trace the first packetWatch an end-to-end request and return journey.Open lesson →Run DHCP DORASee Discover, Offer, Request, and ACK with ports and packet fields.Open lesson →Follow the DHCP relayCompare local broadcast with relay-to-server forwarding.Open lesson →

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