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2.2.1.2.5.1 Representing a DHCPv4 Client-Identifier

  • Article

The DHCPv4 client-identifier is specified in [RFC2132] section 9.14 and MAY contain either a hardware address or another identifier (for example, a fully qualified domain name).

When a DHCP_CLIENT_UID (section 2.2.1.2.5) structure is used to represent a DHCPv4 client-identifier, the latter is stored as-is in the Data field of the structure.

Consider a DHCP_CLIENT_UID that represents a non-hardware address DHCPv4 client-identifier of "host1.contoso.com". The contents of the Data field of the DHCP_CLIENT_UID will be as follows:

Bytes

Values

0-16

0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x6f, 0x73, 0x6f, 0x2e, 0x63, 0x6f, 0x6d