DHCP

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The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device/computer on a network.


  • Static vs dynamic IP addressing
  • Reservations
  • Scopes
  • Leases
  • Options (DNS servers, suffixes)
  • IP helper/DHCP relay


Related files:

  • /etc/dhcp/dhclient.conf


Renew DHCP address in your macOS from command line:

  • interface=en0 && sudo ipconfig set $interface BOOTP && sudo ipconfig set $interface DHCP && sleep 5 && sudo ipconfig getifaddr $interface

Activities

See also

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