L2/L3 Switching

See https://en.wikipedia.org/wiki/LAN_switching

L2 switching - see MAC address only
L3 switching - see IP address

Comparison between L2/L3 switching, see also:
 - Cisco Meraki documentation
 - IThome
 - http://www.networkpcworld.com/differences-between-layer-2-3-4-switching-multilayer-switching-layer-3-routing/