Method ITcIoArpPingProtocol:ArpRequest

Sends an ARP request.

Syntax

HRESULT TCOMAPI ArpRequest(ULONG ipAddr, ETHERNET_ADDRESS* macAddr=0, ETYPE_VLAN_HEADER* pVlan=0)

Return value

Type	Description
HRESULT	Indicates success, see Return values.

Parameter

Name	Type	Description
ipAddr	ULONG	The IP address of the target.
macAddr	ETHERNET_ADDRESS*	Restriction of the MAC address.
pVlan	ETYPE_VLAN_HEADER*	ETYPE_VLAN_HEADER structure, see below.

The VLAN header represents information about the VLAN.

typedef struct _ETYPE_VLAN_HEADER
{
    USHORT VLanType;
    unsigned short VLanIdH   : 4;
    unsigned short reserved1 : 1;
    unsigned short Priority  : 3;
    unsigned short VLanIdL   : 8;
} ETYPE_VLAN_HEADER, *PETYPE_VLAN_HEADER;