Show & diagnostics
show arp
ARP cache: IP → MAC mappings learned from ping/data traffic.
Works on: Router, SwitchMode: enable
Run this command live
Don't just read it — type show arp in a real network simulator in your browser and watch it take effect. No install, no account needed to start.
Frequently asked
What does the "show arp" command do?
ARP cache: IP → MAC mappings learned from ping/data traffic.