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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.

IDLEFrame State
…Frame's VLAN
…Delivery Verdict
TRUNK · 802.1QPC-AVLAN 1010.1.10.10PC-BVLAN 2010.1.20.10SW1Gi0/1: access VLAN 10Gi0/2: access VLAN 20Gi0/24: trunkSW2Gi0/24: trunkGi0/1: access VLAN 10Gi0/2: access VLAN 20PC-CVLAN 1010.1.10.20PC-DVLAN 2010.1.20.20
📡 Send Test Frame
📜 Frame path
  1. 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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"VLANs don't reach each other": until they do

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