问题描述
大家好，我想问一下如何使用C#列出连接到交换机的设备的端口和mac地址。 我找到了适用于戴尔交换机的代码。我需要它用于 Cisco 交换机
using SnmpSharpNet;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace PortMapper
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
List<KeyValuePair<string,string>> portList = new List<KeyValuePair<string,string>>();
List<Portmap> portMaps = new List<Portmap>();
public class Portmap
{
public string Hostname { get; set; }
public string Port { get; set; }
public string IP { get; set; }
public string MAC { get; set; }
}
private void Button_Click(object sender,RoutedEventArgs e)
{
IPAddress ip = IPAddress.Parse("192.168.0.2");
IPAddress ip2 = IPAddress.Parse("192.168.0.3");
SnmpWalk(ip,"community","1.3.6.1.2.1.17.7.1.2.2.1.2.1","1");
SnmpWalk(ip2,"2");
DhcpQuery("netsh","dhcp server \\\\servername scope 192.168.0.0 show clients","192");
List<Portmap> gridResults = new List<Portmap>();
//Example of filtering uplink ports from other switches
foreach(Portmap portMap in portMaps)
{
if (portMap.Port != "1/2/48" && portMap.Port != "2/1/48")
{
gridResults.Add(portMap);
}
}
PortMapGrid.ItemsSource = gridResults;
}
//Use NETSH to retrieve a list of DHCP MAC and IP addresses
private void DhcpQuery(string cmd,string args,string subnet)
{
ProcessStartInfo procStartInfo = new ProcessStartInfo();
procStartInfo.RedirectStandardOutput = true;
procStartInfo.UseShellExecute = false;
procStartInfo.FileName = cmd;
procStartInfo.Arguments = args;
procStartInfo.CreateNoWindow = true;
string output;
using (Process proc = Process.Start(procStartInfo))
{
output = proc.StandardOutput.ReadToEnd();
proc.WaitForExit();
}
//Find valid leases in command output
string[] lines = output.Split(new string[] { Environment.NewLine },StringSplitOptions.None);
List<string> leases = new List<string>();
foreach (string line in lines)
{
if (line.StartsWith(subnet))
{
leases.Add(line);
}
}
//Create threads
Thread[] threadArray = new Thread[leases.Count];
int threadcount = 0;
//Loop each Dhcp Lease
foreach (string line in leases)
{
string[] pieces = line.Split('-');
string ipAddress = pieces[0].Trim();
string mac = "";
string hostname = "";
foreach (string piece in pieces)
{
if (piece.Trim().Length == 2)
{
mac += piece;
}
}
ThreadStart start = delegate
{
hostname = GetHost(ipAddress);
foreach (KeyValuePair<string,string> port in portList)
{
if (port.Key.ToUpper().Trim() == mac.ToUpper().Trim())
{
Portmap portMap = new Portmap();
portMap.IP = ipAddress;
portMap.MAC = mac.ToUpper();
portMap.Port = port.Value;
portMap.Hostname = hostname;
portMaps.Add(portMap);
}
}
};
threadArray[threadcount] = new Thread(start);
threadArray[threadcount].Start();
threadcount = threadcount + 1;
}
//Join all threads in the array to wait for results
for (int i = 0; i < threadcount; i++)
{
threadArray[i].Join();
}
}
//SNMPWALK the ports on a switch or stack of switches. Ports will be labeled SwitchNum/Stack Number/Port Numbers.
private void SnmpWalk(IPAddress ip,string snmpCommunity,string oid,string switchNum)
{
UdpTarget target = new UdpTarget(ip);
// SNMP community name
OctetString community = new OctetString(snmpCommunity);
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1
param.Version = SnmpVersion.Ver1;
// Define Oid that is the root of the MIB tree you wish to retrieve
Oid rootOid = new Oid(oid);
// This Oid represents last Oid returned by the SNMP agent
Oid lastOid = (Oid)rootOid.Clone();
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.GetNext);
// Loop through results
while (lastOid != null)
{
// When Pdu class is first constructed,RequestId is set to a random value
// that needs to be incremented on subsequent requests made using the
// same instance of the Pdu class.
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add(lastOid);
// Make SNMP request
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu,param);
// You should catch exceptions in the Request if using in real application.
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",result.Pdu.ErrorStatus,result.Pdu.ErrorIndex);
lastOid = null;
break;
}
else
{
// Walk through returned variable bindings
foreach (Vb v in result.Pdu.VbList)
{
// Check that retrieved Oid is "child" of the root OID
if (rootOid.IsRootOf(v.Oid))
{
//Convert OID to MAC
string[] macs = v.Oid.ToString().Split('.');
string mac = "";
int counter = 0;
foreach (string chunk in macs)
{
if (counter >= macs.Length - 6)
{
mac += string.Format("{0:X2}",int.Parse(chunk));
}
counter += 1;
}
//Assumes a 48 port switch (52 actual). You need to know these values to correctly iterate through a stack of switches.
int dellSwitch = 1 + int.Parse(v.Value.ToString()) / 52;
int port = int.Parse(v.Value.ToString()) - (52 * (dellSwitch - 1));
KeyValuePair<string,string> Port = new KeyValuePair<string,string>(mac,switchNum + "/" + dellSwitch.ToString() + "/" + port.ToString());
portList.Add(Port);
//Exit Loop
lastOid = v.Oid;
}
else
{
//End of the requested MIB tree. Set lastOid to null and exit loop
lastOid = null;
}
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
}
target.Close();
}
private string GetHost(string ipAddress)
{
try
{
IPHostEntry entry = Dns.GetHostEntry(ipAddress);
return entry.HostName;
}
catch
{
return "";
}
}
}
}
任何人都可以帮我找到代码，或者给我一种方法，让我如何转换此代码以适用于思科。它可以是什么？
解决方法
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