DHCP options values format corresponds to RFC 2132.
Parameter |
Description |
---|---|
1 |
The client's subnet mask. |
2 |
The offset of the client's subnet in seconds from Coordinated Universal Time (UTC). |
3 |
The IP addresses of the default gateways in order of preference. |
6 |
A list of Domain Name System name servers available to the client. |
7 |
A list of MIT-LCS UDP log servers available to the client. |
9 |
A list of RFC 1179 line printer servers available to the client. |
13 |
The length of the default boot image for the client. |
15 |
The domain name that client should use when resolving hostnames via the Domain Name System. |
16 |
The IP address of the client's swap server. |
17 |
The path-name that contains the client's root disk. |
18 |
A file which contains BOOTP Vendor Information Extensions. |
19 |
The option specifies whether the client should configure its IP layer for packet forwarding. |
20 |
The option specifies whether the client should configure its IP layer to allow forwarding of datagrams with non-local source routes. |
21 |
Policy filters for non-local source routing. |
22 |
The maximum size datagram. |
23 |
The default time-to-live that should be used on outgoing datagrams. |
26 |
Path MTU Aging Timeout. |
27 |
A table of MTU sizes to use when performing Path MTU Discovery. |
31 |
The option specifies whether or not the client should solicit routers using ICMP messages. |
32 |
The address to which the client should transmit router solicitation requests. |
33 |
A list of static routes that the client should install in its routing cache. |
34 |
The option specifies whether or not the client should negotiate the use of trailers when using the ARP protocol. |
35 |
ARP cache entries timeout. |
36 |
The option specifies whether or not the client should use Ethernet encapsulation. |
37 |
TCP default TTL. |
38 |
The interval that the client should wait before sending a keepalive message on a TCP connection. |
40 |
The name of the Network Information Service Domain. |
41 |
A list of IP addresses indicating NIS servers available to the client. |
42 |
A list of Network Time Protocol servers IP addresses. |
44 |
A list of NetBIOS servers IP addresses. |
45 |
A list of NetBIOS datagram distribution servers IP addresses. |
46 |
NetBIOS over TCP/IP node type. |
47 |
NetBIOS over TCP/IP scope. |
48 |
A list of X Window System Font servers available to the client. |
49 |
A list of IP addresses of systems that are running the X Window System Display Manager. |
58 |
The time interval T1 from address assignment until the client transitions to the RENEWING state. |
59 |
The time interval T2 from address assignment until the client transitions to the REBINDING state. |
60 |
Vendor class identifier. |
64 |
The name of the NIS+ domain. |
65 |
A list of NIS+ servers. |
66 |
A list of TFTP servers. |
67 |
A bootfile name if it is specified. |
68 |
A list of mobile IP home agents IP addresses. |
69 |
A list of SMTP servers. |
70 |
A list of POP3 servers. |
71 |
A list of NNTP servers. |
74 |
A list of IRC servers. |
77 |
User class information. |
80 |
Rapid Commit option for obtaining IP address and configuration information using a 2-message exchange. |
93 |
Client system architecture. |
94 |
Client network interface identifier. |
97 |
UUID/GUID-based client identifier. |
119 |
DNS domain search list. |
120 |
A list of SIP servers. |
121 |
A list of classless static route. |
125 |
Vendor-specific information. |
255 |
The end of the DHCP options list. |