Получение MAC адреса через SNMP: Справочник по C#

public void SNMPmac(string ip)
{
try
{
Pdu pdu;
SnmpV1Packet result;
arrSNMP[5] = string.Empty;
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(ip);//IP address
UdpTarget target = new UdpTarget((System.Net.IPAddress)agent, 161, 2000, 1);
pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.6.1"); //MAC addres
result = (SnmpV1Packet)target.Request(pdu, param);
if (result != null)
{
if (result.Pdu.ErrorStatus != 0)
{
}
else
{
if ((result.Pdu.VbList[0].Value.ToString()).Trim() == string.Empty)
{
pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.6.2"); //MAC addres
result = (SnmpV1Packet)target.Request(pdu, param);
if ((result.Pdu.VbList[0].Value.ToString()).Trim() == string.Empty)
{
pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.6.3"); //MAC addres
result = (SnmpV1Packet)target.Request(pdu, param);
if ((result.Pdu.VbList[0].Value.ToString()).Trim() == string.Empty)
{
}
else
{
arrSNMP[5] = (result.Pdu.VbList[0].Value.ToString());//MAC addres
}
}
else
{
arrSNMP[5] = (result.Pdu.VbList[0].Value.ToString());//MAC addres
}
}
else
{
arrSNMP[5] = (result.Pdu.VbList[0].Value.ToString());//MAC addres
}
}
}
target.Close();
}
catch (Exception)
{ }
}

Для работы вам понадобится библиотека:SnmpSharpNet.dll

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