| 2 |
Time Offset |
Time offset in seconds from UTC |
| 3 |
Routers |
N/4 router addresses |
| 4 |
Time Servers |
N/4 time server addresses |
| 5 |
Name Servers |
N/4 IEN-116 server addresses |
| 6 |
DNS Servers |
N/4 DNS server addresses |
| 7 |
Log Servers |
N/4 logging server addresses |
| 8 |
Cookie Servers |
N/4 quote server addresses |
| 9 |
LPR Servers |
N/4 printer server addresses |
| 10 |
Impress Servers |
N/4 impress server addresses |
| 11 |
RLP Servers |
N/4 RLP server addresses |
| 12 |
Host Name |
Hostname string, such as (Server Unicast) |
| 13 |
Boot File Size |
Size of boot file in 512-byte chunks |
| 14 |
Merit Dump File |
Client to dump and name of file to dump to |
| 15 |
Domain Name |
DNS domain name of the client |
| 16 |
Swap Server |
Swap server addresses |
| 17 |
Root Path |
Path name for root disk |
| 18 |
Extension File |
Patch name for more BOOTP info |
| 19 |
IP Layer Forwarding |
Enable or disable IP forwarding |
| 20 |
Src route enabler |
Enable or disable source routing |
| 21 |
Policy Filter |
Routing policy filters |
| 22 |
Maximum DG Reassembly Size |
Maximum datagram reassembly size |
| 23 |
Default IP TTL |
Default IP time-to-live |
| 24 |
Path MTU Aging Timeout |
Path MTU aging timeout |
| 25 |
MTU Plateau |
Path MTU plateau table |
| 26 |
Interface MTU Size |
Interface MTU size |
| 27 |
All Subnets Are Local |
All subnets are local |
| 28 |
Broadcast Address |
Broadcast address |
| 29 |
Perform Mask Discovery |
Perform mask discovery |
| 30 |
Provide Mask to Others |
Provide mask to others |
| 31 |
Perform Router Discovery |
Perform router discovery |
| 32 |
Router Solicitation Address |
Router solicitation address |
| 33 |
Static Routing Table |
Static routing table |
| 34 |
Trailer Encapsulation |
Trailer encapsulation |
| 35 |
ARP Cache Timeout |
ARP cache timeout |
| 36 |
Ethernet Encapsulation |
Ethernet encapsulation |
| 37 |
Default TCP Time to Live |
Default TCP time to live |
| 38 |
TCP Keepalive Interval |
TCP keepalive interval |
| 39 |
TCP Keepalive Garbage |
TCP keepalive garbage |
| 40 |
NIS Domain Name |
NIS domain name |
| 41 |
NIS Server Addresses |
NIS server addresses |
| 42 |
NTP Servers Addresses |
NTP servers addresses |
| 43 |
Vendor Specific Information |
Vendor specific information |
| 44 |
NetBIOS Name Server |
NetBIOS name server |
| 45 |
NetBIOS Datagram Distribution |
NetBIOS datagram distribution |
| 46 |
NetBIOS Node Type |
NetBIOS node type |
| 47 |
NetBIOS Scope |
NetBIOS scope |
| 48 |
X Window Font Server |
X window font server |
| 49 |
X Window Display Manager |
X window display manager |
| 50 |
Requested IP address |
Requested IP address |
| 51 |
IP Address Lease Time |
IP address lease time |
| 52 |
Option Overload |
Overload sname or file |
| 53 |
DHCP Message Type |
DHCP message type |
| 54 |
DHCP Server Identification |
DHCP server identification |
| 55 |
Parameter Request List |
Parameter request list |
| 56 |
Message |
DHCP error message |
| 57 |
DHCP Maximum Message Size |
DHCP maximum message size |
| 58 |
Renew Time Value |
DHCP renewal (T1) time |
| 59 |
Rebinding Time Value |
DHCP rebinding (T2) time |
| 60 |
Client Identifier |
Client identifier |
| 61 |
Client Identifier |
Client identifier |
| 62 |
Netware/IP Domain Name |
Netware/IP domain name |
| 63 |
Netware/IP sub Options |
Netware/IP sub options |
| 64 |
NIS+ V3 Client Domain Name |
NIS+ V3 client domain name |
| 65 |
NIS+ V3 Server Address |
NIS+ V3 server address |
| 66 |
TFTP Server Name |
TFTP server name |
| 67 |
Boot File Name |
Boot file name |
| 68 |
Home Agent Addresses |
Home agent addresses |
| 69 |
Simple Mail Server Addresses |
Simple mail server addresses |
| 70 |
Post Office Server Addresses |
Post office server addresses |
| 71 |
Network News Server Addresses |
Network news server addresses |
| 72 |
WWW Server Addresses |
WWW server addresses |
| 73 |
Finger Server Addresses |
Finger server addresses |
| 74 |
Chat Server Addresses |
Chat server addresses |
| 75 |
StreetTalk Server Addresses |
StreetTalk server addresses |
| 76 |
StreetTalk Directory Assistance Addresses |
StreetTalk directory assistance addresses |
| 77 |
User Class Information |
User class information |
| 78 |
SLP Directory Agent |
Directory agent information |
| 79 |
SLP Service Scope |
Service location agent scope |
| 80 |
Rapid Commit |
Rapid commit |
| 81 |
FQDN, Fully Qualified Domain Name |
Fully qualified domain name |
| 82 |
Relay Agent Information |
Relay agent information |
| 83 |
Internet Storage Name Service |
Internet storage name service |
| 84 |
Undefined |
N/A |
| 85 |
Novell Directory Servers |
Novell Directory Services servers |
| 86 |
Novell Directory Server Tree Name |
Novell Directory Services server tree name |
| 87 |
Novell Directory Server Context |
Novell Directory Services server context |
| 88 |
BCMCS Controller Domain Name List |
CMCS controller domain name list |
| 89 |
BCMCS Controller IPv4 Address List |
BCMCS controller IPv4 address list |
| 90 |
Authentication |
Authentication |
| 91- 92 |
Undefined |
N/A |
| 93 |
Client System |
Client system architecture |
| 94 |
Client Network Device Interface |
Client network device interface |
| 95 |
LDAP Use |
Lightweight Directory Access Protocol |
| 96 |
Undefined |
N/A |
| 97 |
UUID/GUID-based Client Identifier |
UUID/GUID-based client identifier |
| 98 |
Open Group’s User Authentication |
Open group’s user authentication |
| 99 - 108 |
Undefined |
N/A |
| 109 |
Autonomous System Number |
Autonomous system number |
| 110 - 111 |
Undefined |
N/A |
| 112 |
NetInfo Parent Server Address |
NetInfo parent server address |
| 113 |
NetInfo Parent Server Tag |
NetInfo parent server tag |
| 114 |
URL: |
URL |
| 115 |
Undefined |
N/A |
| 116 |
Auto Configure |
DHCP auto-configuration |
| 117 |
Name Service Search |
Name service search |
| 118 |
Subnet Collection |
Subnet selection |
| 119 |
DNS Domain Search List |
DNS domain search list |
| 120 |
SIP Servers DHCP Option |
SIP servers DHCP option |
| 121 |
Classless Static Route Option |
Classless static route option |
| 122 |
CCC, CableLabs Client Configuration |
CableLabs client configuration |
| 123 |
GeoConf |
GeoConf |
| 124 |
Vendor-Identifying Vendor Class |
Vendor-identifying vendor class |
| 125 |
Vendor Identifying Vendor Specific |
Vendor-identifying vendor specific |
| 126 - 127 |
Undefined |
N/A |
| 128 |
TFTP Server IP Address |
TFTP server IP address for IP phone software load |
| 129 |
Call Server IP Address |
Call server IP address |
| 130 |
Discrimination String |
Discrimination string to identify vendor |
| 131 |
Remote Statistics Server IP Address |
Remote statistics server IP address |
| 132 |
802.1Q VLAN ID |
IEEE 802.1Q VLAN ID |
| 133 |
802.1Q L2 Priority |
IEEE 802.1Q layer 2 priority |
| 134 |
Diffserv Code Point |
Diffserv code point for VoIP signalling and media streams |
| 135 |
HTTP Proxy For Phone Applications |
HTTP proxy for phone-specific applications |
| 136 - 149 |
Undefined |
N/A |
| 150 |
TFTP Server Address, Etherboot, GRUB Config |
TFTP server address, Etherboot, GRUB configuration |
| 151 - 174 |
Undefined |
N/A |
| 175 |
Ether Boot |
Ether Boot |
| 176 |
IP Telephone |
IP telephone |
| 177 |
Ether Boot PacketCable and CableHome |
Ether Boot PacketCable and CableHome |
| 178 - 207 |
Undefined |
N/A |
| 208 |
pxelinux.magic (string) = 241.0.116.126 |
pxelinux.magic (string) = 241.0.116.126 |
| 209 |
pxelinux.configfile (text) |
pxelinux.configfile (text) |
| 210 |
pxelinux.pathprefix (text) |
pxelinux.pathprefix (text) |
| 211 |
pxelinux.reboottime |
pxelinux.reboottime |
| 212 - 219 |
Undefined |
N/A |
| 220 |
Subnet Allocation |
Subnet allocation |
| 221 |
Virtual Subnet Allocation |
Virtual subnet selection |
| 222 - 223 |
Undefined |
N/A |
| 224 - 257 |
Private Use |
Private use |
