Addressing. IPv4 Addresses  Format 124.26.157.2  Broken up into classes  Reserved blocks.

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Presentation transcript:

Addressing

IPv4 Addresses  Format  Broken up into classes  Reserved blocks

Classes ClassStartEnd A (CIDR /8) B (CIDR /16) C (CIDR /24) D E

Reserved Addresses CIDR address blockDescription /8Current network (only valid as source address) /8Private network /8 Public data networks (per , available for use) /8Loopback /16Reserved (IANA) /16Link-Local /12Private network /16Reserved (IANA) /24Reserved (IANA) /24Documentation and example code /24IPv6 to IPv4 relay /16Private network /15Network benchmark tests /24Reserved (IANA) /4Multicasts (former Class D network) /4Reserved (former Class E network) Broadcast

Subnets  Subnets provide a way to make smaller logical networks within large physical networks.  They also allow a computer to know if another computer is on the same network.

Subnets  Subnets provide a way to make smaller logical networks within large physical networks.  They also allow a computer to know if another computer is on the same network.