SonicOS 7 System

Table of Contents

RFC-defined DHCP Option Numbers

Option Number IPv6 √ Name Description
2   Time Offset Time offset in seconds from UTC
3   Router 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 (IPv4)
SIP Servers Domain Name List (IPv6)
Routing policy filters (IPv4)
Enables listing of SIP Servers domain names (IPv6)
22 Maximum DG Reassembly Size (IPv4)
SIP Servers IPv6 Address List (IPv6)
Maximum datagram reassembly size (IPv4)
Enables listing of SIP Servers IPv6 Addresses (IPv6)
23 Default IP TTL (IPv4)
DNS Recursive Name Server (IPv6)
Default IP time-to-live (IPv4)
Enables listing of DNS Recursive Name servers (IPv6)
24 Path MTU Aging Timeout (IPv4)
Domain Search List (IPv6)
Path MTU aging timeout (IPv4)
Enables listing of domain names for searching (IPv6)
25   MTU Plateau Path MTU plateau table
26   Interface MTU Size Interface MTU size
27 All Subnets Are Local (IPv4)
Network Information Service (NIS) Servers (IPv6)
All subnets are local (IPv4)
Enables listing of Network Information Service (NIS) servers (IPv6)
28 Broadcast Address (IPv4)
Network Information Service V2 (NIS+) Servers (IPv6)
Broadcast address (IPv4)
Enables listing of Network Information Service V2 (NIS+) servers (IPv6)
29 Perform Mask Discovery (IPv4)
Network Information Service (NIS) Domain Name (IPv6)
Perform mask discovery (IPv4)
Enables listing of Network Information Service (NIS) domain names (IPv6)
30 Provide Mask to Others (IPv4)
Network Information Service V2 (NIS+) Domain Name (IPv6)
Provide mask to others (IPv4)
Enables listing of Network Information Service V2 (NIS+) domain names (IPv6)
31 Perform Router Discovery (IPv4)
Simple Network Time Protocol (SNTP) Servers (IPv6)
Perform router discovery (IPv4)
Enables listing of Simple Network Time Protocol (SNTP) servers (IPv6)
32

Router Solicitation Address (IPv4)
Information Refresh Time (IPv6)

Router solicitation address (IPv4)
Information refresh time (IPv6)

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 signaling 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
224-254   Private Use Private use