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Network Access Simulator
VLAN + Trunk — Watch the 802.1Q Tag
Two switches, four PCs, one trunk link. Send a frame and watch what happens at each port — when the 802.1Q tag is added, when it's stripped, and exactly why inter-VLAN traffic gets dropped without a router.
FRAME
📡 Send Test Frame
📜 Frame's journey
- Click Send Frame to start. Each hop appears here as the frame travels.
Practice — VLANs, trunks & 802.1Q
Score: 0 / 0
Pick the right answer — instant feedback. CCNA exam format, 4 options per question.
Question
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Drill this into reflex
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1:1 mentorship with real VLAN debugging scenarios, lab reviews, and US interview prep. Free first session. No card on file.