Troubleshooting mode
beginner
Fix an incorrect IP / subnet
Symptom: PC-B cannot reach anything on the office network, but its cable and switch port look fine.
- Do not change PC-A, SRV1 or R1.
- Do not recable devices.
Success checks
- Hidden until resolved
- Hidden until resolved
Evidence: 0 diagnostic commands · 0 config changes
Finish unlocks when every check passes in the simulator.
1 errors · 0 warnings
Link / device state
Up / healthy
Warning (e.g. VLAN mismatch)
Down / no link
Device error
Simulated console. Commands read the current lab state. Type help.