网络 DHCP BOOTP Options表

Code Data length Description
0 0 Pad.
1 4 Subnet Mask.
2 4 Time Offset (deprecated).
3 4+ Router.
4 4+ Time Server.
5 4+ Name Server.
6 4+ Domain Name Server.
7 4+ Log Server.
8 4+ Quote Server.
9 4+ LPR Server.
10 4+ Impress Server.
11 4+ Resource Location Server.
12 1+ Host Name.
13 2 Boot File Size.
14 1+ Merit Dump File.
15 1+ Domain Name.
16 4 Swap Server.
17 1+ Root Path.
18 1+ Extensions Path.
19 1 IP Forwarding enable/disable.
20 1 Non-local Source Routing enable/disable.
21 8+ Policy Filter.
22 2 Maximum Datagram Reassembly Size.
23 1 Default IP Time-to-live.
24 4 Path MTU Aging Timeout.
25 2+ Path MTU Plateau Table.
26 2 Interface MTU.
27 1 All Subnets are Local.
28 4 Broadcast Address.
29 1 Perform Mask Discovery.
30 1 Mask supplier.
31 1 Perform router discovery.
32 4 Router solicitation address.
33 8+ Static routing table.
34 1 Trailer encapsulation.
35 4 ARP cache timeout.
36 1 Ethernet encapsulation.
37 1 Default TCP TTL.
38 4 TCP keepalive interval.
39 1 TCP keepalive garbage.
40 1+ Network Information Service Domain.
41 4+ Network Information Servers.
42 4+ NTP servers.
43 1+ Vendor specific information.
44 4+ NetBIOS over TCP/IP name server.
45 4+ NetBIOS over TCP/IP Datagram Distribution Server.
46 1 NetBIOS over TCP/IP Node Type.
47 1+ NetBIOS over TCP/IP Scope.
48 4+ X Window System Font Server.
49 4+ X Window System Display Manager.
50 4 Requested IP Address.
51 4 IP address lease time.
52 1 Option overload.
53 1 DHCP message type.
54 4 Server identifier.
55 1+ Parameter request list.
56 1+ Message.
57 2 Maximum DHCP message size.
58 4 Renew time value.
59 4 Rebinding time value.
60 1+ Class-identifier.
61 2+ Client-identifier.
62 1 to 255 NetWare/IP Domain Name.
63   NetWare/IP information.
64 1+ Network Information Service+ Domain.
65 4+ Network Information Service+ Servers.
66 1+ TFTP server name.
67 1+ Bootfile name.
68 0+ Mobile IP Home Agent.
69 4+ Simple Mail Transport Protocol Server.
70 4+ Post Office Protocol Server.
71 4+ Network News Transport Protocol Server.
72 4+ Default World Wide Web Server.
73 4+ Default Finger Server.
74 4+ Default Internet Relay Chat Server.
75 4+ StreetTalk Server.
76 4+ StreetTalk Directory Assistance Server.
77 Variable. User Class Information.
78 Variable. SLP Directory Agent.
79 Variable. SLP Service Scope.
80 0 Rapid Commit.
81 4+. FQDN, Fully Qualified Domain Name.
82 Variable. Relay Agent Information.
83 14+ Internet Storage Name Service.
84    
85 Variable. NDS servers.
86 Variable. NDS tree name.
87 Variable. NDS context.
88 Variable. BCMCS Controller Domain Name list.
89 4+ BCMCS Controller IPv4 address list.
90 Variable. Authentication.
91 4 client-last-transaction-time.
92 4n associated-ip.
93 Variable. Client System Architecture Type.
94 Variable. Client Network Interface Identifier.
95 Variable. LDAP, Lightweight Directory Access Protocol.
96    
97 Variable. Client Machine Identifier.
98   Open Group's User Authentication.
99   GEOCONF_CIVIC.
100   IEEE 1003.1 TZ String.
101   Reference to the TZ Database.
102    
-
111
112 Variable. NetInfo Parent Server Address.
113 Variable. NetInfo Parent Server Tag.
114 Variable. URL.
115    
116 1 Auto-Configure
117 2+ Name Service Search.
118 4 Subnet Selection.
119 Variable DNS domain search list.
120 Variable SIP Servers DHCP Option.
121 5+ Classless Static Route Option.
122 Variable CCC, CableLabs Client Configuration.
123 16 GeoConf.
124   Vendor-Identifying Vendor Class.
125   Vendor-Identifying Vendor-Specific.
126    
127    
128   TFTP Server IP address.
129   Call Server IP address.
130   Discrimination string.
131   Remote statistics server IP address.
132   802.1P VLAN ID.
133   802.1Q L2 Priority.
134   Diffserv Code Point.
135   HTTP Proxy for phone-specific applications.
136 4+ PANA Authentication Agent.
137 variable LoST Server.
138   CAPWAP Access Controller addresses.
139   OPTION-IPv4_Address-MoS.
140   OPTION-IPv4_FQDN-MoS.
141 2+ SIP UA Configuration Service Domains.
142   OPTION-IPv4_Address-ANDSF.
143   OPTION-IPv6_Address-ANDSF.
144    
-
149
150   TFTP server address.
150   Etherboot.
GRUB configuration path name.
151   status-code.
152   base-time.
153   start-time-of-state.
154   query-start-time.
155   query-end-time.
156   dhcp-state.
157   data-source.
158    
-
174
175   Etherboot.
176   IP Telephone.
177   Etherboot.
PacketCable and CableHome.
178    
-
207
208   pxelinux.magic (string) = F1:00:74:7E (241.0.116.126).
209   pxelinux.configfile (text).
210   pxelinux.pathprefix (text).
211   pxelinux.reboottime (unsigned integer 32 bits).
212 18+ OPTION_6RD.
213   OPTION_V4_ACCESS_DOMAIN.
214    
-
219
220   Subnet Allocation.
221 1+ Virtual Subnet Selection.
222    
223
224   Private use.
-
254
255 0 End.

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