Layer 2 Lab

Switchboard

Inject a raw Ethernet frame. Predict whether the switch floods, forwards, or filters it.

Layer 2 only. No IP. No routing.
Load a starting state
HOST A
02:00:00:00:00:0A
Ready
HOST B
02:00:00:00:00:0B
Ready
HOST C
02:00:00:00:00:0C
Ready
NO CABLE
LINK DOWN
Excluded
MISSION L2-04Power
PORT 1
PORT 2
PORT 3
PORT 4
1 Learn source
2 Look up destination
3 Take action
Raw frame injector
Your prediction
MAC address table
MAC addressPortAge left
No frame on the wire yet.
What just happened

The switch has no map yet. Choose what you think it will do, then send Host A's first frame to Host B.