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SNMP Developer's Active X Controls for MS Windows - download free evals of SNMP ActiveX Controls
NuDesign's SNMP ActiveX Controls are developed for use within Visual Basic, Visual C++ and Borland's Delphi environments. The eval bundles contain full function controls and sample applications in VB and/or C++ (source code included).
These controls operate under Windows 98/Me/NT/2000 and XP. You can create standard Windows-based or browser-based (MS Internet Explorer) applications with these easy-to-use Controls:
- SNMPv1/v2c Trap Sender Control
- SNMPv1/v2c Trap Receiver Control
- SNMPv1/v2c Management Control
- SNMPv1/v2c Agent Discovery Control
- SMIv1/v2 MIB Compiler Control
- SNMPv3 Management Control with C++ Library
- SNMP HMS Download Control
Please also download the ActiveX Controls Summary Datasheet and Product Line Application Note (Acrobat PDF format).
If you are looking for a ready-to-use SNMP management application deploying these controls to perform a host of SNMP agent configuration and monitoring functions, including SNMP traps handling, please download a free eval of our Visual MIB Browser here.
SNMP Management Control
This control manages the requirements for making SNMP v1 and v2 requests to SNMP agents from your application. Like all our other controls, it is easy to use from any C++, VB or browser-based application.
The following management side SNMP functionality is provided by this control. All requests are non-blocking and implement a retransmission policy.
- Get Request and GetNext Request
- Set Request
- Open/Close sessions
- Create/Delete Varbinds
- A retransmission policy for the above functions
- A Timeout event for no response
- A Reponse event for responses from the agent
If a GET/GETNEXT/SET message does not get a response, retransmission takes effect. The retransmission policy is based on the specified 'timeout interval' (t) and 'number of retries'(n). The control will retransmit the SNMP message 'n' number of times after waiting 't' time. If there is still no response, a timeout event is triggered to inform the application.
The sessions allow the application to specify the access policy (i.e. read and write community strings) and the retransmission policy associated with an SNMP agent. This frees the application from having to define the access and retransmission policies with every GET/GETNEXT/SET command.
The ability to create/delete varbind lists independent of the SNMP commands (GET/GETNEXT/SET) provides the application developer with a flexible and efficient mechanism for sending the same varbind list periodically to one agent or to different agents.
For more information on this control, view its help file or its complete eval package.