In OSPF, with Broadcast Multiaccess Topologies (i.e. Ethernet), the Multicast IP addresses are mapped to MAC-level multicast addresses. I was unaware that there were multicast MAC addresses available ...

IP Multicast is a bandwidth-efficient method for broadcasting data, in particular streaming audio and video, across a network. In this primer we’ll discuss how IP Multicasts works, its pros and cons, ...

When the ARPANET was designed in the late 1960s, it was outfitted with a Network Control Protocol (NCP) that made it possible for the very different types of hosts connected to the network to talk ...

In this chapter, you will learn about the addressing used in IPv4 and IPv6. We'll assign addresses of both types to various interfaces on the hosts and routers of the Illustrated Network. We'll ...

Although IPv6 adoption seems to be moving at a snail's pace, there's no outrunning it. Brien Posey demystifies some of the addressing issues many admins are still trying to figure out. [Editor’s note: ...