Unit ARP

`MIN_ARP_PACKET = 46;`	Not Counting Adapter Header
`MAX_ARP_PACKET = 46;`	Not Counting Adapter Header

`ARP_TIMEOUT = 1000;`	We wait for 1 second approx for reply
`ARP_RETRIES = 4;`	We try the request 4 times

`RARP_TIMEOUT = 4000;`	We wait for 4 seconds for a RARP reply
`RARP_RETRIES = 4;`	We try the request 4 times

`ARP_HEADER_SIZE = 46;`	SizeOf(TARPHeader);
`RARP_HEADER_SIZE = 46;`	SizeOf(TRARPHeader);

Note: 46 Bytes
`HardwareType:Word;`	Hardware address space (Network Order)
`ProtocolType:Word;`	Protocol address space (Network Order)
`HardwareLength:Byte;`	Byte length of hardware address
`ProtocolLength:Byte;`	Byte length of each protocol address
`Opcode:Word;`	Op code (eg ARP_REQUEST or ARP_REPLY) (Network Order)
`SourceHardware:THardwareAddress;`	Source hardware address (of sender)
`SourceIP:TInAddr;`	Source protocol address (of sender) (Network Order)
`TargetHardware:THardwareAddress;`	Target hardware address (if known)
`TargetIP:TInAddr;`	Target protocol address (Network Order)
`Reserved:array[0..17] of Word;`

Contents

`ARP_TRANSPORT_NAME = 'ARP';`
`RARP_TRANSPORT_NAME = 'RARP';`