```
public interface DHCPConstants
```

Field Summary

Fields
Modifier and Type	Field	Description
`static byte`	`BOOTREPLY`
`static byte`	`BOOTREQUEST`
`static int`	`DHCP_MAX_SIZE`
`static int`	`DHCP_MIN_SIZE`
`static int`	`DHCP_NOOPT_HDR_SIZE`
`static byte`	`HTYPE_ETHER`
`static int`	`MAGIC_COOKIE`
`static byte`	`MSG_ACK`
`static byte`	`MSG_DECLINE`
`static byte`	`MSG_DISCOVER`
`static byte`	`MSG_FORCERENEW`
`static byte`	`MSG_INFORM`
`static byte`	`MSG_NAK`
`static byte`	`MSG_OFFER`
`static byte`	`MSG_RELEASE`
`static byte`	`MSG_REQUEST`
`static byte`	`OPT_AGENT_OPTIONS`
`static byte`	`OPT_ALL_SUBNETS_LOCAL`
`static byte`	`OPT_ARP_CACHE_TIMEOUT`
`static byte`	`OPT_ASSOCIATED_IP`
`static byte`	`OPT_AUTO_CONFIGURE`
`static byte`	`OPT_BOOT_SIZE`
`static byte`	`OPT_BOOTFILE`
`static byte`	`OPT_BROADCAST_ADDRESS`
`static byte`	`OPT_CLASSLESS_ROUTE`
`static byte`	`OPT_CLIENT_IDENTIFIER`
`static byte`	`OPT_CLIENT_LAST_TRANSACTION_TIME`
`static byte`	`OPT_COOKIE_SERVERS`
`static byte`	`OPT_DEFAULT_IP_TTL`
`static byte`	`OPT_DEFAULT_TCP_TTL`
`static byte`	`OPT_DOMAIN_NAME`
`static byte`	`OPT_DOMAIN_NAME_SERVERS`
`static byte`	`OPT_DOMAIN_SEARCH`
`static byte`	`OPT_END`
`static byte`	`OPT_EXTENSIONS_PATH`
`static byte`	`OPT_FINGER_SERVER`
`static byte`	`OPT_FONT_SERVERS`
`static byte`	`OPT_FQDN`
`static byte`	`OPT_HOST_NAME`
`static byte`	`OPT_IEEE802_3_ENCAPSULATION`
`static byte`	`OPT_IMPRESS_SERVERS`
`static byte`	`OPT_INTERFACE_MTU`
`static byte`	`OPT_IP_FORWARDING`
`static byte`	`OPT_IRC_SERVER`
`static byte`	`OPT_LEASE_TIME`
`static byte`	`OPT_LOG_SERVERS`
`static byte`	`OPT_LPR_SERVERS`
`static byte`	`OPT_MASK_SUPPLIER`
`static byte`	`OPT_MAX_DGRAM_REASSEMBLY`
`static byte`	`OPT_MAX_MESSAGE_SIZE`
`static byte`	`OPT_MERIT_DUMP`
`static byte`	`OPT_MESSAGE`
`static byte`	`OPT_MESSAGE_TYPE`
`static byte`	`OPT_MOBILE_IP_HOME_AGENT`
`static byte`	`OPT_NAME_SERVERS`
`static byte`	`OPT_NAME_SERVICE_SEARCH`
`static byte`	`OPT_NDS_CONTEXT`
`static byte`	`OPT_NDS_SERVERS`
`static byte`	`OPT_NDS_TREE_NAME`
`static byte`	`OPT_NETBIOS_DD_SERVER`
`static byte`	`OPT_NETBIOS_NAME_SERVERS`
`static byte`	`OPT_NETBIOS_NODE_TYPE`
`static byte`	`OPT_NETBIOS_SCOPE`
`static byte`	`OPT_NIS_SERVERS`
`static byte`	`OPT_NISPLUS_DOMAIN`
`static byte`	`OPT_NISPLUS_SERVER`
`static byte`	`OPT_NNTP_SERVER`
`static byte`	`OPT_NON_LOCAL_SOURCE_ROUTING`
`static byte`	`OPT_NTP_SERVERS`
`static byte`	`OPT_NWIP_DOMAIN_NAME`
`static byte`	`OPT_NWIP_SUBOPTIONS`
`static byte`	`OPT_OPTION_OVERLOAD`
`static byte`	`OPT_PAD`
`static byte`	`OPT_PARAMETER_REQUEST_LIST`
`static byte`	`OPT_PATH_MTU_AGING_TIMEOUT`
`static byte`	`OPT_PATH_MTU_PLATEAU_TABLE`
`static byte`	`OPT_PERFORM_MASK_DISCOVERY`
`static byte`	`OPT_POLICY_FILTER`
`static byte`	`OPT_POP3_SERVER`
`static byte`	`OPT_REBINDING_TIME`
`static byte`	`OPT_RENEWAL_TIME`
`static byte`	`OPT_REQUESTED_ADDRESS`
`static byte`	`OPT_RESOURCE_LOCATION_SERVERS`
`static byte`	`OPT_ROOT_PATH`
`static byte`	`OPT_ROUTER_DISCOVERY`
`static byte`	`OPT_ROUTER_SOLICITATION_ADDRESS`
`static byte`	`OPT_ROUTERS`
`static byte`	`OPT_SERVER_IDENTIFIER`
`static byte`	`OPT_SMTP_SERVER`
`static byte`	`OPT_STATIC_ROUTES`
`static byte`	`OPT_STDA_SERVER`
`static byte`	`OPT_STREETTALK_SERVER`
`static byte`	`OPT_SUBNET_MASK`
`static byte`	`OPT_SUBNET_SELECTION`
`static byte`	`OPT_SWAP_SERVER`
`static byte`	`OPT_TCP_KEEPALIVE_GARBAGE`
`static byte`	`OPT_TCP_KEEPALIVE_INTERVAL`
`static byte`	`OPT_TFTP_SERVER`
`static byte`	`OPT_TIME_OFFSET`
`static byte`	`OPT_TIME_SERVERS`
`static byte`	`OPT_TRAILER_ENCAPSULATION`
`static byte`	`OPT_USER_AUTHENTICATION_PROTOCOL`
`static byte`	`OPT_USER_CLASS`
`static byte`	`OPT_VENDOR_CLASS_IDENTIFIER`
`static byte`	`OPT_VENDOR_ENCAPSULATED_OPTIONS`
`static byte`	`OPT_WWW_SERVER`
`static byte`	`OPT_X_DISPLAY_MANAGER`

- Field Detail
  - BOOTREQUEST
```
static final byte BOOTREQUEST
```
    See Also:
    
    Constant Field Values
  - BOOTREPLY
```
static final byte BOOTREPLY
```
    See Also:
    
    Constant Field Values
  - HTYPE_ETHER
```
static final byte HTYPE_ETHER
```
    See Also:
    
    Constant Field Values
  - MSG_DISCOVER
```
static final byte MSG_DISCOVER
```
    See Also:
    
    Constant Field Values
  - MSG_OFFER
```
static final byte MSG_OFFER
```
    See Also:
    
    Constant Field Values
  - MSG_REQUEST
```
static final byte MSG_REQUEST
```
    See Also:
    
    Constant Field Values
  - MSG_DECLINE
```
static final byte MSG_DECLINE
```
    See Also:
    
    Constant Field Values
  - MSG_ACK
```
static final byte MSG_ACK
```
    See Also:
    
    Constant Field Values
  - MSG_NAK
```
static final byte MSG_NAK
```
    See Also:
    
    Constant Field Values
  - MSG_RELEASE
```
static final byte MSG_RELEASE
```
    See Also:
    
    Constant Field Values
  - MSG_INFORM
```
static final byte MSG_INFORM
```
    See Also:
    
    Constant Field Values
  - MSG_FORCERENEW
```
static final byte MSG_FORCERENEW
```
    See Also:
    
    Constant Field Values
  - OPT_PAD
```
static final byte OPT_PAD
```
    See Also:
    
    Constant Field Values
  - OPT_SUBNET_MASK
```
static final byte OPT_SUBNET_MASK
```
    See Also:
    
    Constant Field Values
  - OPT_TIME_OFFSET
```
static final byte OPT_TIME_OFFSET
```
    See Also:
    
    Constant Field Values
  - OPT_ROUTERS
```
static final byte OPT_ROUTERS
```
    See Also:
    
    Constant Field Values
  - OPT_TIME_SERVERS
```
static final byte OPT_TIME_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_NAME_SERVERS
```
static final byte OPT_NAME_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_DOMAIN_NAME_SERVERS
```
static final byte OPT_DOMAIN_NAME_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_LOG_SERVERS
```
static final byte OPT_LOG_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_COOKIE_SERVERS
```
static final byte OPT_COOKIE_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_LPR_SERVERS
```
static final byte OPT_LPR_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_IMPRESS_SERVERS
```
static final byte OPT_IMPRESS_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_RESOURCE_LOCATION_SERVERS
```
static final byte OPT_RESOURCE_LOCATION_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_HOST_NAME
```
static final byte OPT_HOST_NAME
```
    See Also:
    
    Constant Field Values
  - OPT_BOOT_SIZE
```
static final byte OPT_BOOT_SIZE
```
    See Also:
    
    Constant Field Values
  - OPT_MERIT_DUMP
```
static final byte OPT_MERIT_DUMP
```
    See Also:
    
    Constant Field Values
  - OPT_DOMAIN_NAME
```
static final byte OPT_DOMAIN_NAME
```
    See Also:
    
    Constant Field Values
  - OPT_SWAP_SERVER
```
static final byte OPT_SWAP_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_ROOT_PATH
```
static final byte OPT_ROOT_PATH
```
    See Also:
    
    Constant Field Values
  - OPT_EXTENSIONS_PATH
```
static final byte OPT_EXTENSIONS_PATH
```
    See Also:
    
    Constant Field Values
  - OPT_IP_FORWARDING
```
static final byte OPT_IP_FORWARDING
```
    See Also:
    
    Constant Field Values
  - OPT_NON_LOCAL_SOURCE_ROUTING
```
static final byte OPT_NON_LOCAL_SOURCE_ROUTING
```
    See Also:
    
    Constant Field Values
  - OPT_POLICY_FILTER
```
static final byte OPT_POLICY_FILTER
```
    See Also:
    
    Constant Field Values
  - OPT_MAX_DGRAM_REASSEMBLY
```
static final byte OPT_MAX_DGRAM_REASSEMBLY
```
    See Also:
    
    Constant Field Values
  - OPT_DEFAULT_IP_TTL
```
static final byte OPT_DEFAULT_IP_TTL
```
    See Also:
    
    Constant Field Values
  - OPT_PATH_MTU_AGING_TIMEOUT
```
static final byte OPT_PATH_MTU_AGING_TIMEOUT
```
    See Also:
    
    Constant Field Values
  - OPT_PATH_MTU_PLATEAU_TABLE
```
static final byte OPT_PATH_MTU_PLATEAU_TABLE
```
    See Also:
    
    Constant Field Values
  - OPT_INTERFACE_MTU
```
static final byte OPT_INTERFACE_MTU
```
    See Also:
    
    Constant Field Values
  - OPT_ALL_SUBNETS_LOCAL
```
static final byte OPT_ALL_SUBNETS_LOCAL
```
    See Also:
    
    Constant Field Values
  - OPT_BROADCAST_ADDRESS
```
static final byte OPT_BROADCAST_ADDRESS
```
    See Also:
    
    Constant Field Values
  - OPT_PERFORM_MASK_DISCOVERY
```
static final byte OPT_PERFORM_MASK_DISCOVERY
```
    See Also:
    
    Constant Field Values
  - OPT_MASK_SUPPLIER
```
static final byte OPT_MASK_SUPPLIER
```
    See Also:
    
    Constant Field Values
  - OPT_ROUTER_DISCOVERY
```
static final byte OPT_ROUTER_DISCOVERY
```
    See Also:
    
    Constant Field Values
  - OPT_ROUTER_SOLICITATION_ADDRESS
```
static final byte OPT_ROUTER_SOLICITATION_ADDRESS
```
    See Also:
    
    Constant Field Values
  - OPT_STATIC_ROUTES
```
static final byte OPT_STATIC_ROUTES
```
    See Also:
    
    Constant Field Values
  - OPT_TRAILER_ENCAPSULATION
```
static final byte OPT_TRAILER_ENCAPSULATION
```
    See Also:
    
    Constant Field Values
  - OPT_ARP_CACHE_TIMEOUT
```
static final byte OPT_ARP_CACHE_TIMEOUT
```
    See Also:
    
    Constant Field Values
  - OPT_IEEE802_3_ENCAPSULATION
```
static final byte OPT_IEEE802_3_ENCAPSULATION
```
    See Also:
    
    Constant Field Values
  - OPT_DEFAULT_TCP_TTL
```
static final byte OPT_DEFAULT_TCP_TTL
```
    See Also:
    
    Constant Field Values
  - OPT_TCP_KEEPALIVE_INTERVAL
```
static final byte OPT_TCP_KEEPALIVE_INTERVAL
```
    See Also:
    
    Constant Field Values
  - OPT_TCP_KEEPALIVE_GARBAGE
```
static final byte OPT_TCP_KEEPALIVE_GARBAGE
```
    See Also:
    
    Constant Field Values
  - OPT_NIS_SERVERS
```
static final byte OPT_NIS_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_NTP_SERVERS
```
static final byte OPT_NTP_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_VENDOR_ENCAPSULATED_OPTIONS
```
static final byte OPT_VENDOR_ENCAPSULATED_OPTIONS
```
    See Also:
    
    Constant Field Values
  - OPT_NETBIOS_NAME_SERVERS
```
static final byte OPT_NETBIOS_NAME_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_NETBIOS_DD_SERVER
```
static final byte OPT_NETBIOS_DD_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_NETBIOS_NODE_TYPE
```
static final byte OPT_NETBIOS_NODE_TYPE
```
    See Also:
    
    Constant Field Values
  - OPT_NETBIOS_SCOPE
```
static final byte OPT_NETBIOS_SCOPE
```
    See Also:
    
    Constant Field Values
  - OPT_FONT_SERVERS
```
static final byte OPT_FONT_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_X_DISPLAY_MANAGER
```
static final byte OPT_X_DISPLAY_MANAGER
```
    See Also:
    
    Constant Field Values
  - OPT_REQUESTED_ADDRESS
```
static final byte OPT_REQUESTED_ADDRESS
```
    See Also:
    
    Constant Field Values
  - OPT_LEASE_TIME
```
static final byte OPT_LEASE_TIME
```
    See Also:
    
    Constant Field Values
  - OPT_OPTION_OVERLOAD
```
static final byte OPT_OPTION_OVERLOAD
```
    See Also:
    
    Constant Field Values
  - OPT_MESSAGE_TYPE
```
static final byte OPT_MESSAGE_TYPE
```
    See Also:
    
    Constant Field Values
  - OPT_SERVER_IDENTIFIER
```
static final byte OPT_SERVER_IDENTIFIER
```
    See Also:
    
    Constant Field Values
  - OPT_PARAMETER_REQUEST_LIST
```
static final byte OPT_PARAMETER_REQUEST_LIST
```
    See Also:
    
    Constant Field Values
  - OPT_MESSAGE
```
static final byte OPT_MESSAGE
```
    See Also:
    
    Constant Field Values
  - OPT_MAX_MESSAGE_SIZE
```
static final byte OPT_MAX_MESSAGE_SIZE
```
    See Also:
    
    Constant Field Values
  - OPT_RENEWAL_TIME
```
static final byte OPT_RENEWAL_TIME
```
    See Also:
    
    Constant Field Values
  - OPT_REBINDING_TIME
```
static final byte OPT_REBINDING_TIME
```
    See Also:
    
    Constant Field Values
  - OPT_VENDOR_CLASS_IDENTIFIER
```
static final byte OPT_VENDOR_CLASS_IDENTIFIER
```
    See Also:
    
    Constant Field Values
  - OPT_CLIENT_IDENTIFIER
```
static final byte OPT_CLIENT_IDENTIFIER
```
    See Also:
    
    Constant Field Values
  - OPT_NWIP_DOMAIN_NAME
```
static final byte OPT_NWIP_DOMAIN_NAME
```
    See Also:
    
    Constant Field Values
  - OPT_NWIP_SUBOPTIONS
```
static final byte OPT_NWIP_SUBOPTIONS
```
    See Also:
    
    Constant Field Values
  - OPT_NISPLUS_DOMAIN
```
static final byte OPT_NISPLUS_DOMAIN
```
    See Also:
    
    Constant Field Values
  - OPT_NISPLUS_SERVER
```
static final byte OPT_NISPLUS_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_TFTP_SERVER
```
static final byte OPT_TFTP_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_BOOTFILE
```
static final byte OPT_BOOTFILE
```
    See Also:
    
    Constant Field Values
  - OPT_MOBILE_IP_HOME_AGENT
```
static final byte OPT_MOBILE_IP_HOME_AGENT
```
    See Also:
    
    Constant Field Values
  - OPT_SMTP_SERVER
```
static final byte OPT_SMTP_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_POP3_SERVER
```
static final byte OPT_POP3_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_NNTP_SERVER
```
static final byte OPT_NNTP_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_WWW_SERVER
```
static final byte OPT_WWW_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_FINGER_SERVER
```
static final byte OPT_FINGER_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_IRC_SERVER
```
static final byte OPT_IRC_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_STREETTALK_SERVER
```
static final byte OPT_STREETTALK_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_STDA_SERVER
```
static final byte OPT_STDA_SERVER
```
    See Also:
    
    Constant Field Values
  - OPT_USER_CLASS
```
static final byte OPT_USER_CLASS
```
    See Also:
    
    Constant Field Values
  - OPT_FQDN
```
static final byte OPT_FQDN
```
    See Also:
    
    Constant Field Values
  - OPT_AGENT_OPTIONS
```
static final byte OPT_AGENT_OPTIONS
```
    See Also:
    
    Constant Field Values
  - OPT_NDS_SERVERS
```
static final byte OPT_NDS_SERVERS
```
    See Also:
    
    Constant Field Values
  - OPT_NDS_TREE_NAME
```
static final byte OPT_NDS_TREE_NAME
```
    See Also:
    
    Constant Field Values
  - OPT_NDS_CONTEXT
```
static final byte OPT_NDS_CONTEXT
```
    See Also:
    
    Constant Field Values
  - OPT_CLIENT_LAST_TRANSACTION_TIME
```
static final byte OPT_CLIENT_LAST_TRANSACTION_TIME
```
    See Also:
    
    Constant Field Values
  - OPT_ASSOCIATED_IP
```
static final byte OPT_ASSOCIATED_IP
```
    See Also:
    
    Constant Field Values
  - OPT_USER_AUTHENTICATION_PROTOCOL
```
static final byte OPT_USER_AUTHENTICATION_PROTOCOL
```
    See Also:
    
    Constant Field Values
  - OPT_AUTO_CONFIGURE
```
static final byte OPT_AUTO_CONFIGURE
```
    See Also:
    
    Constant Field Values
  - OPT_NAME_SERVICE_SEARCH
```
static final byte OPT_NAME_SERVICE_SEARCH
```
    See Also:
    
    Constant Field Values
  - OPT_SUBNET_SELECTION
```
static final byte OPT_SUBNET_SELECTION
```
    See Also:
    
    Constant Field Values
  - OPT_DOMAIN_SEARCH
```
static final byte OPT_DOMAIN_SEARCH
```
    See Also:
    
    Constant Field Values
  - OPT_CLASSLESS_ROUTE
```
static final byte OPT_CLASSLESS_ROUTE
```
    See Also:
    
    Constant Field Values
  - OPT_END
```
static final byte OPT_END
```
    See Also:
    
    Constant Field Values
  - MAGIC_COOKIE
```
static final int MAGIC_COOKIE
```
    See Also:
    
    Constant Field Values
  - DHCP_MIN_SIZE
```
static final int DHCP_MIN_SIZE
```
    See Also:
    
    Constant Field Values
  - DHCP_MAX_SIZE
```
static final int DHCP_MAX_SIZE
```
    See Also:
    
    Constant Field Values
  - DHCP_NOOPT_HDR_SIZE
```
static final int DHCP_NOOPT_HDR_SIZE
```
    See Also:
    
    Constant Field Values

Interface DHCPConstants

Field Summary

Field Detail

BOOTREQUEST

BOOTREPLY

HTYPE_ETHER

MSG_DISCOVER

MSG_OFFER

MSG_REQUEST

MSG_DECLINE

MSG_ACK

MSG_NAK

MSG_RELEASE

MSG_INFORM

MSG_FORCERENEW

OPT_PAD

OPT_SUBNET_MASK

OPT_TIME_OFFSET

OPT_ROUTERS

OPT_TIME_SERVERS

OPT_NAME_SERVERS

OPT_DOMAIN_NAME_SERVERS

OPT_LOG_SERVERS

OPT_COOKIE_SERVERS

OPT_LPR_SERVERS

OPT_IMPRESS_SERVERS

OPT_RESOURCE_LOCATION_SERVERS

OPT_HOST_NAME

OPT_BOOT_SIZE

OPT_MERIT_DUMP

OPT_DOMAIN_NAME

OPT_SWAP_SERVER

OPT_ROOT_PATH

OPT_EXTENSIONS_PATH

OPT_IP_FORWARDING

OPT_NON_LOCAL_SOURCE_ROUTING

OPT_POLICY_FILTER

OPT_MAX_DGRAM_REASSEMBLY

OPT_DEFAULT_IP_TTL

OPT_PATH_MTU_AGING_TIMEOUT

OPT_PATH_MTU_PLATEAU_TABLE

OPT_INTERFACE_MTU

OPT_ALL_SUBNETS_LOCAL

OPT_BROADCAST_ADDRESS

OPT_PERFORM_MASK_DISCOVERY

OPT_MASK_SUPPLIER

OPT_ROUTER_DISCOVERY

OPT_ROUTER_SOLICITATION_ADDRESS

OPT_STATIC_ROUTES

OPT_TRAILER_ENCAPSULATION

OPT_ARP_CACHE_TIMEOUT

OPT_IEEE802_3_ENCAPSULATION

OPT_DEFAULT_TCP_TTL

OPT_TCP_KEEPALIVE_INTERVAL

OPT_TCP_KEEPALIVE_GARBAGE

OPT_NIS_SERVERS

OPT_NTP_SERVERS

OPT_VENDOR_ENCAPSULATED_OPTIONS

OPT_NETBIOS_NAME_SERVERS

OPT_NETBIOS_DD_SERVER

OPT_NETBIOS_NODE_TYPE

OPT_NETBIOS_SCOPE

OPT_FONT_SERVERS

OPT_X_DISPLAY_MANAGER

OPT_REQUESTED_ADDRESS

OPT_LEASE_TIME

OPT_OPTION_OVERLOAD

OPT_MESSAGE_TYPE

OPT_SERVER_IDENTIFIER

OPT_PARAMETER_REQUEST_LIST

OPT_MESSAGE

OPT_MAX_MESSAGE_SIZE

OPT_RENEWAL_TIME

OPT_REBINDING_TIME

OPT_VENDOR_CLASS_IDENTIFIER

OPT_CLIENT_IDENTIFIER

OPT_NWIP_DOMAIN_NAME

OPT_NWIP_SUBOPTIONS

OPT_NISPLUS_DOMAIN

OPT_NISPLUS_SERVER