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About SNMP

Posted on 2000-03-08
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Last Modified: 2012-06-21
I am trying to  build a application to get some parameters from CISCO Router
or CISCO Switch Using SNMP protocol in vb6,
Can anybody give me some suggestion?

If there is a good sample code,
I will increase the points.
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Question by:hxb
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Accepted Solution

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3rsrichard earned 200 total points
ID: 2596288
The best solution is to look at
http://www.dart.com
they sell third party software which will let you talk to your router.
You can get a trial version to learn with.  It has good documentation and help.

Here is an example of what the code would look like;

Public Function getmibvalue(itsoid As String) As Variant

'Read the value stored at mib address itsoid
' Input parameter itsoid- the oid address of the item to be read
' Return - the value read as a variant

    Dim value As SnmpVariable
    Dim returned As Variant
   
    If gblnDebug = False Then
      ' Start the SNMP manager - see Dart documentation

      frmSNMP.Manager1.Open
      frmSNMP.Manager1.Message.Reset
      frmSNMP.Manager1.AgentName = UnitIP
      frmSNMP.Manager1.AgentPort = 161
   
      'Get the sysContact for the agent using the AgentVariable property
       Set value = frmSNMP.Manager1.AgentVariable(itsoid)

       returned = value.value
   
     ' Close the SNMP manager
       frmSNMP.Manager1.Message.Reset
       frmSNMP.Manager1.Close
       Unload frmSNMP

       getmibvalue = returned
    Else
        getmibvalue = TestMIB(itsoid)
    End If
End Function

You can also get source support code for SNMP++, which will do the same things from the SNMP++ list at Intel.  The trouble is that you have to compile the code yourself.

If you want to do-it-yourself you might start with
http://users.neca.com/vmis/ber.htm
http://users.neca.com/vmis/snmp.htm

If you want pointers to specific subjects ask, and I'll post answers or links.
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by:hxb
ID: 2626017
thank
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