Windows set dhcp client id

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Most common reasons and solutions for such a mismatch appear below. For Ethernet and The client hardware address is simply the hardware address of the client's network Ethernet or Wireless interface. For example, a0:bc:d3 , also written as a0:bc:d3 , a0bcd3 , or 00 01 02 a0 bc d3. This is an arbitrary value that may be used to identify a client instead of the hardware type and client hardware address. Traditionally, the DHCP Client Identifier when present has been set to a value equal to the hardware type followed by the client hardware address.

Without DHCP, IP addresses for new computers or computers that are moved from one subnet to another must be configured manually; IP addresses for computers that are removed from the network must be manually reclaimed. With DHCP, this entire process is automated and managed centrally.

Because the IP addresses are dynamic leased rather than static permanently assigned , addresses no longer in use are automatically returned to the pool for reallocation. The DHCP server stores the configuration information in a database that includes:. Valid IP addresses, maintained in a pool for assignment to clients, as well as excluded addresses.

The lease duration, or the length of time for which the IP address can be used before a lease renewal is required. Reliable IP address configuration. DHCP minimizes configuration errors caused by manual IP address configuration, such as typographical errors, or address conflicts caused by the assignment of an IP address to more than one computer at the same time.