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constants.go
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package dhcp4
// OpCodes
const (
BootRequest OpCode = 1 // From Client
BootReply OpCode = 2 // From Server
)
// DHCP Message Type 53
const (
Discover MessageType = 1 // Broadcast Packet From Client - Can I have an IP?
Offer MessageType = 2 // Broadcast From Server - Here's an IP
Request MessageType = 3 // Broadcast From Client - I'll take that IP (Also start for renewals)
Decline MessageType = 4 // Broadcast From Client - Sorry I can't use that IP
ACK MessageType = 5 // From Server, Yes you can have that IP
NAK MessageType = 6 // From Server, No you cannot have that IP
Release MessageType = 7 // From Client, I don't need that IP anymore
Inform MessageType = 8 // From Client, I have this IP and there's nothing you can do about it
)
// DHCP Options
const (
End OptionCode = 255
Pad OptionCode = 0
OptionSubnetMask OptionCode = 1
OptionTimeOffset OptionCode = 2
OptionRouter OptionCode = 3
OptionTimeServer OptionCode = 4
OptionNameServer OptionCode = 5
OptionDomainNameServer OptionCode = 6
OptionLogServer OptionCode = 7
OptionCookieServer OptionCode = 8
OptionLPRServer OptionCode = 9
OptionImpressServer OptionCode = 10
OptionResourceLocationServer OptionCode = 11
OptionHostName OptionCode = 12
OptionBootFileSize OptionCode = 13
OptionMeritDumpFile OptionCode = 14
OptionDomainName OptionCode = 15
OptionSwapServer OptionCode = 16
OptionRootPath OptionCode = 17
OptionExtensionsPath OptionCode = 18
// IP Layer Parameters per Host
OptionIPForwardingEnableDisable OptionCode = 19
OptionNonLocalSourceRoutingEnableDisable OptionCode = 20
OptionPolicyFilter OptionCode = 21
OptionMaximumDatagramReassemblySize OptionCode = 22
OptionDefaultIPTimeToLive OptionCode = 23
OptionPathMTUAgingTimeout OptionCode = 24
OptionPathMTUPlateauTable OptionCode = 25
// IP Layer Parameters per Interface
OptionInterfaceMTU OptionCode = 26
OptionAllSubnetsAreLocal OptionCode = 27
OptionBroadcastAddress OptionCode = 28
OptionPerformMaskDiscovery OptionCode = 29
OptionMaskSupplier OptionCode = 30
OptionPerformRouterDiscovery OptionCode = 31
OptionRouterSolicitationAddress OptionCode = 32
OptionStaticRoute OptionCode = 33
// Link Layer Parameters per Interface
OptionTrailerEncapsulation OptionCode = 34
OptionARPCacheTimeout OptionCode = 35
OptionEthernetEncapsulation OptionCode = 36
// TCP Parameters
OptionTCPDefaultTTL OptionCode = 37
OptionTCPKeepaliveInterval OptionCode = 38
OptionTCPKeepaliveGarbage OptionCode = 39
// Application and Service Parameters
OptionNetworkInformationServiceDomain OptionCode = 40
OptionNetworkInformationServers OptionCode = 41
OptionNetworkTimeProtocolServers OptionCode = 42
OptionVendorSpecificInformation OptionCode = 43
OptionNetBIOSOverTCPIPNameServer OptionCode = 44
OptionNetBIOSOverTCPIPDatagramDistributionServer OptionCode = 45
OptionNetBIOSOverTCPIPNodeType OptionCode = 46
OptionNetBIOSOverTCPIPScope OptionCode = 47
OptionXWindowSystemFontServer OptionCode = 48
OptionXWindowSystemDisplayManager OptionCode = 49
OptionNetworkInformationServicePlusDomain OptionCode = 64
OptionNetworkInformationServicePlusServers OptionCode = 65
OptionMobileIPHomeAgent OptionCode = 68
OptionSimpleMailTransportProtocol OptionCode = 69
OptionPostOfficeProtocolServer OptionCode = 70
OptionNetworkNewsTransportProtocol OptionCode = 71
OptionDefaultWorldWideWebServer OptionCode = 72
OptionDefaultFingerServer OptionCode = 73
OptionDefaultInternetRelayChatServer OptionCode = 74
OptionStreetTalkServer OptionCode = 75
OptionStreetTalkDirectoryAssistance OptionCode = 76
// DHCP Extensions
OptionRequestedIPAddress OptionCode = 50
OptionIPAddressLeaseTime OptionCode = 51
OptionOverload OptionCode = 52
OptionDHCPMessageType OptionCode = 53
OptionServerIdentifier OptionCode = 54
OptionParameterRequestList OptionCode = 55
OptionMessage OptionCode = 56
OptionMaximumDHCPMessageSize OptionCode = 57
OptionRenewalTimeValue OptionCode = 58
OptionRebindingTimeValue OptionCode = 59
OptionVendorClassIdentifier OptionCode = 60
OptionClientIdentifier OptionCode = 61
OptionTFTPServerName OptionCode = 66
OptionBootFileName OptionCode = 67
OptionUserClass OptionCode = 77
OptionClientArchitecture OptionCode = 93
OptionTZPOSIXString OptionCode = 100
OptionTZDatabaseString OptionCode = 101
OptionClasslessRouteFormat OptionCode = 121
)