In March we introduced the Address Resolution Protocol (ARP), a half-brother to the TCP/IP stack that maps the logical IP address space into the real world of Ethernet hardware addresses. We didn’t ...

I'm studying to become a CCNA & I thought I's make a little diagram to help myself, one that has the OSI layers & TCP/IP protocols & their port nos. So I'm doing OK until I come to ARP and RARP which ...