| OPTION NAME | MULTI VALUED | DATA TYPE | OPTION ID | VENDOR CLASS | DESCRIPTION | DHCP TYPE | EXAMPLE |
| Classless Static Routes | 0 | BinaryData | 121 | null | Destination, mask and router IP addresses in priority order | dhcpd | null |
| Subnet Mask | 0 | IPv4Address | 1 | null | Subnet mask in network byte order | dhcpd | 0.0.0.0 |
| Time Offset | 0 | DWord | 2 | null | UTC offset in seconds | dhcpd | 0 |
| Router | 1 | IPv4Address | 3 | null | Array of router addresses ordered by preference | dhcpd | 0.0.0.0 |
| Time Server | 1 | IPv4Address | 4 | null | Array of time server addresses, by preference | dhcpd | 0.0.0.0 |
| Name Servers | 1 | IPv4Address | 5 | null | Array of name servers [IEN 116], by preference | dhcpd | 0.0.0.0 |
| DNS Servers | 1 | IPv4Address | 6 | null | Array of DNS servers, by preference | dhcpd | 0.0.0.0 |
| Log Servers | 1 | IPv4Address | 7 | null | Array of MIT_LCS UDP log servers on subnet | dhcpd | 0.0.0.0 |
| Cookie Servers | 1 | IPv4Address | 8 | null | Array of cookie servers, RFC 865 | dhcpd | 0.0.0.0 |
| LPR Servers | 1 | IPv4Address | 9 | null | Array of RFC 1179 servers, by preference | dhcpd | 0.0.0.0 |
| Impress Servers | 1 | IPv4Address | 10 | null | Array of Imagen Impress Servers | dhcpd | 0.0.0.0 |
| Resource Location Servers | 1 | IPv4Address | 11 | null | Array of RFC 887 ResLoc Servers on subnet, by preference | dhcpd | 0.0.0.0 |
| Host Name | 0 | String | 12 | null | Host name for client, RFC 1035 character set | dhcpd | null |
| Boot File Size | 0 | Word | 13 | null | Size of boot image file in 512-octet blocks | dhcpd | 0 |
| Merit Dump File | 0 | String | 14 | null | Path name for crash dump file | dhcpd | null |
| DNS Domain Name | 0 | String | 15 | null | DNS Domain name for client resolutions | dhcpd | null |
| Swap Server | 0 | IPv4Address | 16 | null | Address of client's swap server | dhcpd | 0.0.0.0 |
| Root Path | 0 | String | 17 | null | Path name for client's root disk, char set NVT ASCII | dhcpd | null |
| Extensions Path | 0 | String | 18 | null | tftp file for option extensions | dhcpd | null |
| IP Layer Forwarding | 0 | Byte | 19 | null | Disable/enable IP packet forwarding on this client | dhcpd | 0x00 |
| Nonlocal Source Routing | 0 | Byte | 20 | null | Disable/enable nonlocal datagrams | dhcpd | 0x00 |
| Policy Filter Masks | 1 | IPv4Address | 21 | null | Destination/mask IP address pairs to filter source routes | dhcpd | 0.0.0.0 |
| Max DG Reassembly Size | 0 | Word | 22 | null | Maximum size datagram for reassembly by client; max 576 | dhcpd | 0 |
| Default IP Time-to-live | 0 | Byte | 23 | null | Default TTL for client's use on outgoing DGs | dhcpd | 0x00 |
| Path MTU Aging Timeout | 0 | DWord | 24 | null | Timeout in seconds for aging Path MTU values; RFC 1191 | dhcpd | 0 |
| Path MTU Plateau Table | 1 | Word | 25 | null | MTU discovery sizes, sorted by size, all >= 68 | dhcpd | 0 |
| MTU Option | 0 | Word | 26 | null | MTU discovery size, >= 68 | dhcpd | 0 |
| All subnets are local | 0 | Byte | 27 | null | The client assumes that all subnets are local | dhcpd | 0x00 |
| Broadcast Address | 0 | IPv4Address | 28 | null | Broadcast address | dhcpd | 0.0.0.0 |
| Perform Mask Discovery | 0 | Byte | 29 | null | The client should use ICMP for subnet mask discovery. | dhcpd | 0x00 |
| Mask Supplier Option | 0 | Byte | 30 | null | The client should respond to subnet mask requests via ICMP. | dhcpd | 0x00 |
| Perform Router Discovery | 0 | Byte | 31 | null | The client should solicit routers using RFC 1256. | dhcpd | 0x00 |
| Router Solicitation Address | 0 | IPv4Address | 32 | null | Address to use for router solicitation | dhcpd | 0.0.0.0 |
| Static Route Option | 1 | IPv4Address | 33 | null | Destination/router address pairs, in priority order | dhcpd | 0.0.0.0 |
| Trailer Encapsulation | 0 | Byte | 34 | null | The client should negotiate use of trailers (RFC 983). | dhcpd | 0x00 |
| ARP Cache Timeout | 0 | DWord | 35 | null | Timeout in seconds for ARP cache entries | dhcpd | 0 |
| Ethernet Encapsulation | 0 | Byte | 36 | null | 0=>client should use ENet V2; 1=> IEEE 802.3 | dhcpd | 0x00 |
| TCP Default Time-to-live | 0 | Byte | 37 | null | TTL that client uses when sending TCP segments | dhcpd | 0x00 |
| Keepalive Interval | 0 | DWord | 38 | null | Keepalive timeout in seconds | dhcpd | 0 |
| Keepalive Garbage | 0 | Byte | 39 | null | Send garbage octet | dhcpd | 0x00 |
| NIS Domain Name | 0 | String | 40 | null | Name of Network Information Service domain | dhcpd | null |
| NIS Servers | 1 | IPv4Address | 41 | null | Addresses of NIS servers on client's subnet | dhcpd | 0.0.0.0 |
| NTP Servers | 1 | IPv4Address | 42 | null | Addresses of Network Time Protocol servers | dhcpd | 0.0.0.0 |
| Vendor Specific Info | 0 | BinaryData | 43 | null | Embedded vendor-specific options | dhcpd | null |
| WINS/NBNS Servers | 1 | IPv4Address | 44 | null | NBNS Address(es) in priority order | dhcpd | 0.0.0.0 |
| NetBIOS over TCP/IP NBDD | 1 | IPv4Address | 45 | null | NetBIOS over TCP/IP NBDD address(es) in priority order | dhcpd | 0.0.0.0 |
| WINS/NBT Node Type | 0 | Byte | 46 | null | 0x1 = B-node, 0x2 = P-node, 0x4 = M-node, 0x8 = H-node | dhcpd | 0x00 |
| NetBIOS Scope ID | 0 | String | 47 | null | NetBIOS over TCP/IP Scope ID | dhcpd | null |
| X Window System Font | 1 | IPv4Address | 48 | null | Array of X Windows font servers | dhcpd | 0.0.0.0 |
| X Window System Display | 1 | IPv4Address | 49 | null | Array of X Windows Display Mgr servers | dhcpd | 0.0.0.0 |
| Lease | 0 | DWord | 51 | null | Client IP address lease time in seconds | dhcpd | 0 |
| Renewal (T1) Time Value | 0 | DWord | 58 | null | Time between addr assignment to RENEWING state | dhcpd | 0 |
| Rebinding (T2) Time Value | 0 | DWord | 59 | null | Time from addr assignment to REBINDING state | dhcpd | 0 |
| NIS+ Domain Name | 0 | String | 64 | null | The name of the client's NIS+ domain. | dhcpd | null |
| NIS+ Servers | 1 | IPv4Address | 65 | null | A list of IP addresses indicating NIS+ servers | dhcpd | 0.0.0.0 |
| Boot Server Host Name | 0 | String | 66 | null | TFTP boot server host name | dhcpd | null |
| Bootfile Name | 0 | String | 67 | null | Bootfile Name | dhcpd | null |
| Mobile IP Home Agents | 1 | IPv4Address | 68 | null | Mobile IP home agents in priority order | dhcpd | 0.0.0.0 |
| Simple Mail Transport Protocol (SMTP) Servers | 1 | IPv4Address | 69 | null | List of SMTP servers available to the client | dhcpd | 0.0.0.0 |
| Post Office Protocol (POP3) Servers | 1 | IPv4Address | 70 | null | List of POP3 servers available to the client | dhcpd | 0.0.0.0 |
| Network News Transport Protocol (NNTP) Servers | 1 | IPv4Address | 71 | null | List of NNTP servers available to the client | dhcpd | 0.0.0.0 |
| World Wide Web (WWW) Servers | 1 | IPv4Address | 72 | null | List of WWW servers available to the client | dhcpd | 0.0.0.0 |
| Finger Servers | 1 | IPv4Address | 73 | null | List of Finger servers available to the client | dhcpd | 0.0.0.0 |
| Internet Relay Chat (IRC) Servers | 1 | IPv4Address | 74 | null | List of IRC servers available to the client | dhcpd | 0.0.0.0 |
| StreetTalk Servers | 1 | IPv4Address | 75 | null | List of StreetTalk servers available to the client | dhcpd | 0.0.0.0 |
| StreetTalk Directory Assistance (STDA) Servers | 1 | IPv4Address | 76 | null | List of STDA servers available to the client | dhcpd | 0.0.0.0 |
| Microsoft Disable Netbios Option | 0 | DWord | 1 | Microsoft Options | Option for enabling or disabling Netbios for Microsoft Windows 2000 Clients | dhcpd | 1 |
| Microsoft Release DHCP Lease On Shutdown Option | 0 | DWord | 2 | Microsoft Options | Option for enabling or disabling Windows 2000 Clients to release DHCP lease on shutdown | dhcpd | 1 |
| Microsoft Default Router Metric Base | 0 | DWord | 3 | Microsoft Options | Default Router Base Metrics for Microsoft Windows 2000 Clients | dhcpd | 1 |
| Microsoft Disable Netbios Option | 0 | DWord | 1 | Microsoft Windows 2000 Options | Option for enabling or disabling Netbios for Microsoft Windows 2000 Clients | dhcpd | 1 |
| Microsoft Release DHCP Lease On Shutdown Option | 0 | DWord | 2 | Microsoft Windows 2000 Options | Option for enabling or disabling Windows 2000 Clients to release DHCP lease on shutdown | dhcpd | 1 |
| Microsoft Default Router Metric Base | 0 | DWord | 3 | Microsoft Windows 2000 Options | Default Router Base Metrics for Microsoft Windows 2000 Clients | dhcpd | 0 |
| SIP Server Domain Name List | 1 | String | 21 | null | Domain Name of SIP servers available to the client | dhcpd6 | null |
| Domain Search List | 1 | String | 24 | null | Domain search list used by clients to resolve hostnames with DNS, by preference | dhcpd6 | null |
| NIS Domain List | 1 | String | 29 | null | Domain names of NIS servers available to the client | dhcpd6 | null |
| NIS+ Domain Name List | 1 | String | 30 | null | Domain names of NIS+ servers available to the client | dhcpd6 | null |
| SIP Servers IPv6 Address List | 1 | IPv6Address | 22 | null | IPv6 addresses of SIP servers available to the client | dhcpd6 | null |
| DNS Recursive Name Server IPv6 Address List | 1 | IPv6Address | 23 | null | IPv6 Addresses of DNS recursive name servers available to the client | dhcpd6 | null |
| NIS IPv6 Address List | 1 | IPv6Address | 27 | null | IPv6 Addresses of NIS servers available to the client | dhcpd6 | null |
| NIS+ IPv6 Address List | 1 | IPv6Address | 28 | null | IPv6 Addresses of NIS+ servers available to the client | dhcpd6 | null |
| SNTP Servers IPv6 Address List | 1 | IPv6Address | 31 | null | IPv6 Addresses of SNTP servers available to the client | dhcpd6 | null |
| Information Refresh Time | 0 | DWord | 32 | null | This option specifies an upper bound for how long a client should wait before refreshing information retrieved from DHCPv6 Server | dhcpd6 | 86400 |