When an IP host needs to send an IP packet over an Ethernet network, it needs to find out what 48-bit MAC physical address to …
ARP – Internet Protocol Version 4 (IPv4) Design
IP Telephony Networks
IPv6 Header – Internet Protocol Version 6 (IPv6) Design
This section covers the field of the IPv6 header. The IPv6 header is simpler than the IPv4 header. Some IPv4 fields have been eliminated or …
IPv6 Address Representation – Internet Protocol Version 6 (IPv6) Design
RFC 4291 (which obsoletes RFC 3513 and RFC 2373) specifies the IPv6 addressing architecture. IPv6 addresses are 128 bits in length. For display, the IPv6 …
IPv6 Prefix Representation – Internet Protocol Version 6 (IPv6) Design
IPv6 prefixes are represented much as in IPv4, with the following format: IPv6-address/prefix The IPv6-address portion is a valid IPv6 address. The prefix portion is …
IPv6 Unicast Addresses – Internet Protocol Version 6 (IPv6) Design
The IPv6 unicast (one-to-one) address is a logical identifier (ID) of a single-host interface. With a unicast address, a single source sends to a single …
Unique Local IPv6 Address – Internet Protocol Version 6 (IPv6) Design
RFC 4193 defines the unique local address. Unique local addresses (ULAs) are designed for use in local networks and are not routable on the Internet. …
IPv6 Mechanisms – Internet Protocol Version 6 (IPv6) Design
The changes to the 128-bit address length and IPv6 header format modified the underlying protocols that support IP. This section covers ICMPv6, IPv6 Neighbor Discovery …