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  2. Dynamic Host Configuration Protocol - Wikipedia

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

    A network administrator reserves a range of IP addresses for DHCP, and each DHCP client on the LAN is configured to request an IP address from the DHCP server during network initialization. The request-and-grant process uses a lease concept with a controllable time period, allowing the DHCP server to reclaim and then reallocate IP addresses ...

  3. ipconfig - Wikipedia

    en.wikipedia.org/wiki/Ipconfig

    This is done using two commands in sequence. First, ipconfig /release is executed to force the client to immediately give up its lease by sending the server a DHCP release notification which updates the server's status information and marks the old client's IP address as "available". Then, the command ipconfig /renew is executed to request a ...

  4. DHCPv6 - Wikipedia

    en.wikipedia.org/wiki/DHCPv6

    DHCPv6 can provide this information whether it is being used to assign IP addresses or not. DHCPv6 can provide host with the addresses of Domain Name System (DNS) servers, but they can also be provided through Neighbor Discovery Protocol , which is the mechanism for stateless autoconfiguration.

  5. Zero-configuration networking - Wikipedia

    en.wikipedia.org/wiki/Zero-configuration_networking

    Where no DHCP server is available to assign a host an IP address, the host can select its own link-local address. Using a link-local address, hosts can communicate over this link but only locally; Access to other networks and the Internet is not possible. There are some link-local IPv4 address implementations available:

  6. Preboot Execution Environment - Wikipedia

    en.wikipedia.org/wiki/Preboot_Execution_Environment

    BSDP is crafted on top of DHCP using vendor-specific information to provide the additional NetBoot functionality not present in standard DHCP. The protocol is implemented in client firmware. At boot time, the client obtains an IP address via DHCP then discovers boot servers using BSDP. Each BSDP server responds with boot information consisting of:

  7. DHCPD - Wikipedia

    en.wikipedia.org/wiki/Dhcpd

    Issued IP addresses are tracked by dhcpd through a record in the dhcpd.leases file. [5] This allows the server to maintain state over restarts of the dhcp service, which could otherwise lead to duplicate IP addresses being issued when server issued the same IP address again while another client still has the right to use it. [3]

  8. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Used for loopback addresses to the local host [1] 169.254.0.0/16 169.254.0.0–169.254.255.255 65 536: Subnet Used for link-local addresses [5] between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server 172.16.0.0/12 172.16.0.0–172.31.255.255 1 048 576: Private ...

  9. Internet Connection Sharing - Wikipedia

    en.wikipedia.org/wiki/Internet_Connection_Sharing

    ICS provides NAT services, mapping individual IP addresses of local computers to unused port numbers in the sharing computer. Because of the nature of the NAT, IP addresses on the local computer are not visible on the Internet. All packets leaving or entering the LAN are sent from or to the IP address of the external adapter on the ICS host ...