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  2. Wildcard mask - Wikipedia

    en.wikipedia.org/wiki/Wildcard_mask

    A wildcard mask is a mask of bits that indicates which parts of an IP address are available for examination. In the Cisco IOS, [1] they are used in several places, for example:

  3. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Special address blocks Address block (CIDR) First address Last address Number of addresses Usage Purpose ::/128 :: :: 1 Software Unspecified address

  4. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    In Internet networking, a private network is a computer network that uses a private address space of IP addresses.These addresses are commonly used for local area networks (LANs) in residential, office, and enterprise environments.

  5. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water. [1] Ping operates by means of Internet Control Message Protocol (ICMP) packets. Pinging involves sending an ICMP echo request to the target host and waiting for an ICMP echo reply.

  6. Dynamic Host Configuration Protocol - Wikipedia

    en.wikipedia.org/wiki/Dynamic_Host_Configuration...

    A list of Resource Location Protocol servers available to the client, should be listed in order of preference 12: Host name: Minimum of 1 octet: Name of the client. The name may be qualified with the local domain name. 13: Boot file size: 2 octets: Length of the boot image in 512B blocks 14: Merit dump file: Minimum of 1 octet: Path where crash ...

  7. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    The following example shows IP addresses that might be used with an office network that consists of six hosts plus a router. The six hosts addresses are:

  8. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    An Internet Protocol address (IP address) is a numerical label such as 192.0.2.1 that is assigned to a device connected to a computer network that uses the Internet Protocol for communication.

  9. Network address translation - Wikipedia

    en.wikipedia.org/wiki/Network_address_translation

    Network address translation between a private network and the Internet. Network address translation (NAT) is a method of mapping an IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device. [1]