1 - SubnetMask IPv4 netmask. Set to the value of the --netmask option by default. 2 - TimeOffset UTC offset in seconds (32-bit decimal value). 3 - Routers Space separated list of IPv4 router addresses. 4 - TimeServers Space separated list of IPv4 time server (RFC 868) addresses. 5 - NameServers Space separated list of IPv4 name server (IEN 116) addresses. 6 - DomainNameServers Space separated list of IPv4 DNS addresses. 7 - LogServers Space separated list of IPv4 log server addresses. 8 - CookieServers Space separated list of IPv4 cookie server (RFC 865) addresses. 9 - LPRServers Space separated list of IPv4 line printer server (RFC 1179) addresses. 10 - ImpressServers Space separated list of IPv4 imagen impress server addresses. 11 - ResourseLocationServers Space separated list of IPv4 resource location (RFC 887) addresses. 12 - HostName The client name. See RFC 1035 for character limits. 13 - BootFileSize Number of 512 byte blocks making up the boot file (16-bit decimal value). 14 - MeritDumpFile Client core file. 15 - DomainName Domain name for the client. 16 - SwapServer IPv4 address of the swap server that the client should use. 17 - RootPath The path to the root disk the client should use. 18 - ExtensionPath Path to a file containing additional DHCP options (RFC2123). 19 - IPForwarding Whether IP forwarding should be enabled by the client (boolean). 20 - OptNonLocalSourceRouting Whether non-local datagrams should be forwarded by the client (boolean) 21 - PolicyFilter List of IPv4 addresses and masks paris controlling non-local source routing. 22 - MaxDgramReassemblySize The maximum datagram size the client should reassemble (16-bit decimal value). 23 - DefaultIPTTL The default time-to-leave on outgoing (IP) datagrams (8-bit decimal value). 24 - PathMTUAgingTimeout RFC1191 path MTU discovery timeout value in seconds (32-bit decimal value). 25 - PathMTUPlateauTable RFC1191 path MTU discovery size table, sorted in ascending order (list of 16-bit decimal values). 26 - InterfaceMTU The MTU size for the interface (16-bit decimal value). 27 - AllSubnetsAreLocal Indicates whether the MTU size is the same for all subnets (boolean). 28 - BroadcastAddress Broadcast address (RFC1122) for the client to use (IPv4 address). 29 - PerformMaskDiscovery Whether to perform subnet mask discovery via ICMP (boolean). 30 - MaskSupplier Whether to respond to subnet mask requests via ICMP (boolean). 31 - PerformRouterDiscovery Whether to perform router discovery (RFC1256) (boolean). 32 - RouterSolicitationAddress Where to send router solicitation requests (RFC1256) (IPv4 address). 33 - StaticRoute List of network and router address pairs addresses. 34 - TrailerEncapsulation Whether to negotiate the use of trailers for ARP (RTF893) (boolean). 35 - ARPCacheTimeout The timeout in seconds for ARP cache entries (32-bit decimal value). 36 - EthernetEncapsulation Whether to use IEEE 802.3 (RTF1042) rather than of v2 (RFC894) ethernet encapsulation (boolean). 37 - TCPDefaultTTL Default time-to-live for TCP sends (non-zero 8-bit decimal value). 38 - TCPKeepaliveInterval The interface in seconds between TCP keepalive messages (32-bit decimal value). 39 - TCPKeepaliveGarbage Whether to include a byte of garbage in TCP keepalive messages for backward compatibility (boolean). 40 - NISDomain The NIS (Sun Network Information Services) domain name (string). 41 - NISServers Space separated list of IPv4 NIS server addresses. 42 - NTPServers Space separated list of IPv4 NTP (RFC1035) server addresses. 43 - VendorSpecificInfo Vendor specific information. Only accessible using --set-opt-hex. 44 - NetBIOSNameServers Space separated list of IPv4 NetBIOS name server (NBNS) addresses (RFC1001,RFC1002). 45 - NetBIOSDatagramServers Space separated list of IPv4 NetBIOS datagram distribution server (NBDD) addresses (RFC1001,RFC1002). 46 - NetBIOSNodeType NetBIOS node type (RFC1001,RFC1002): 1=B-node, 2=P-node, 4=M-node, and 8=H-node (8-bit decimal value). 47 - NetBIOSScope NetBIOS scope (RFC1001,RFC1002). Only accessible using --set-opt-hex. 48 - XWindowsFontServers Space separated list of IPv4 X windows font server addresses. 49 - XWindowsDisplayManager Space separated list of IPv4 X windows display manager addresses. 62 - NetWareIPDomainName Netware IP domain name (RFC2242) (string). 63 - NetWareIPInformation Netware IP information (RFC2242). Only accessible using --set-opt-hex. 64 - NISPlusDomain The NIS+ domain name (string). 65 - NISPlusServers Space separated list of IPv4 NIS+ server addresses. 66 - TFTPServerName TFTP server name (string). 67 - BootfileName Bootfile name (string). 68 - MobileIPHomeAgents Space separated list of IPv4 mobile IP agent addresses. 69 - SMTPServers Space separated list of IPv4 simple mail transport protocol (SMPT) server addresses. 70 - POP3Servers Space separated list of IPv4 post office protocol 3 (POP3) server addresses. 71 - NNTPServers Space separated list of IPv4 network news transport protocol (NTTP) server addresses. 72 - WWWServers Space separated list of default IPv4 world wide web (WWW) server addresses. 73 - FingerServers Space separated list of default IPv4 finger server addresses. 74 - IRCServers Space separated list of default IPv4 internet relay chat (IRC) server addresses. 75 - StreetTalkServers Space separated list of IPv4 StreetTalk server addresses. 76 - STDAServers Space separated list of IPv4 StreetTalk directory assistance (STDA) server addresses. 78 - SLPDirectoryAgent Addresses of one or more service location protocol (SLP) directory agent, and an indicator of whether their use is mandatory. Only accessible using --set-opt-hex. 79 - SLPServiceScope List of service scopes for the service location protocol (SLP) and whether using the list is mandator. Only accessible using --set-opt-hex. 119 - DomainSearch Domain search list, see RFC3397 and section 4.1.4 in RFC1035 for encoding. Only accessible using --set-opt-hex.