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Listed below are descriptions of SilverCreek's General SNMP Tools, as distinguished from the SilverCreek MIB Tools.  All the SilverCreek SNMP tools are written in Tcl, the Tool Command Language, a scripting language that permits easy customization.

SNMP Command Tool (simple)

Issue SNMP commands -- GETs, SETs, NEXTs, and/or GET-BULK requests -- to a specific MIB object. For example, "SET" the name of sysContact to a value representing the contact person for the network device.

  • Send SNMP GET, NEXT, SET requests

SNMP Command Wizard (advanced)

Put together a sequence of SNMP commands or operations and save this sequence in a script for later use. Easily build a script that performs GETs, SETs, NEXTs, and/or GET-BULK requests on several MIB objects. Check and verify sequences of anticipated user behaviors or the behavior of a management application with the SNMP Command Wizard.

  • Send SNMP GET, NEXT, SET, GET-BULK requests
  • Send a series of requests with multiple objects
  • Save and load previous command sets

SNMP Command Tcl Script Generator

Easily create and run simple test cases without actually writing any Tcl scripts! With the Tcl Script Generator, you can point and click to build scripts to execute a series of GET, GET-NEXT, SET, and GET-BULK commands to test scalars (objects not in a MIB table) and columns (objects in MIB tables). This includes generating scripts to exercise rowStatus transition. Create multiple context in your scripts to access multiple devices under test or a single agent with different access levels.

  • Build test scripts automatically (without programming knowledge)
  • Create one or more agents to test
  • Send SNMP GET, NEXT, SET, GET-BULK requests
  • Test both scalar and columnar (table) objects
  • Exercise row creation and row status transition for any table
  • Write verification on read-write objects using allowable values
  • Resulting test script may be added to SilverCreek Test Suite

SNMP Automation Wizard

The SNMP Automation Wizard allows the user to create automated scripts, edit them, save them, and run them by a simple graphic point and click process. There is no need to look at the code or use a scripting language, although full source code, APIs, and libraries are available for all the tests. The tester simply specifies the agent under test, the type of output desired, and the individual tests or collections of tests to include. This script is saved and can be re-invoked for regression testing. Multiple agents and multiple scripts can be automated through this SNMP tool.

SNMPv3 USM Manager

The SNMPv3 USM Manager tool allows you to create new USM users, create and delete VACM view names, assign views to users and update users' secret keys (or passwords). This SNMP tool greatly simplifies the process of updating a SNMP agent's User-based Security Module (USM) table as well as the View Based Access Control Model (VACM) tables. You can create new users, assign a new user to a group, assign a MIB view to a group of users, test users, and update user authentication and encryption passwords.

  • Show table relations among the five key tables (USM and VACM)
  • Create a new user, assign user to group, assign MIB views to group
  • Key Change
  • Manage MIB View Names
  • Test and Delete User

Configuring Notification Tables Tool

SNMPv3 can be very difficult to set up and configure, primarily due to the many components and the need to keep track of them and their relationships to each other. The Configuring Notification Tables Tool greatly simplifies this task.

Cleanly and efficiently create notification targets and the target parameters, specifically securityModel, securityLevel, and SecurityName to associate with the targets. Create notification filters to associate with the targets.

This tool highlights the relationship among the tables by highlighting the associated rows in other tables, giving the user easy to follow, visual cues for tracking the relationship.

  • Show Current Setting and Table Relations
  • Create Notification Names
  • Create Notification Targets
  • Create Notification Targets Parameters
  • Create Notification Files
  • Create Community String Mappings

SNMP Notification Monitor (Trap Tester)

When devices on a network experience certain problems (e.g. link down), they will send an SNMP trap or notification to the management application. The Notification Monitor listens for these traps and displays them in the a window. This SNMP tool also checks and verifies each trap for protocol compliance. Thus, you can verify that the traps in your product are correctly implemented.

  • Check variables bindings of received notifications for correct syntax type, range, size, instance identifiers and order.
  • Support listening on multiple ports for traps and informs
  • Synchronize with, and receive encrypted traps from SNMPv3 notification originator
  • Option to skip check time window for SNMPv3 notifications
  • CSV or tab delimited output can be imported into a spreadsheet (e.g. Excel)

Polling Tool

Sample the value of a MIB object instance or multiple MIB object instances over time. Visually inspect and verify that counters are incrementing or other values are changing in an appropriate way.

  • Poll selected objects via GET, GET-BULK, and Walking Branch
  • Modify interval and duration of polling for load testing
  • Tab delimited output can be imported into a spreadsheet (e.g. Excel)

Memory Leak Tool

Some SNMP agent implementations have been discovered that do not properly release allocated memory resources after they have responded to GET or GET-BULK requests that request an object in non-lexicographic order. One way to diagnose whether an agent has such leaks is to issue a large number of queries and examine the memory used by the agent before and then after the queries. The Memory Leak Tool was created as a quick and convenient way to issue such queries.

The Memory Leak Tool allows you to issue repeated GET, NEXT or GET-BULK commands on a set of objects or WALK the entire MIB for any given length of time, a number of predefined iterations, or an unlimited number of times. Usually you should start by "Walking the whole MIB" repeatedly to see if the memory leak exists in the agent under testing.


Performance Measuring Tool

Measure the response time to certain operations with one network device and then compare that to another device. This is useful for understanding performance issues and problems with a network application, the network itself, or the device itself. Create scripts and run the scripts against several devices and then compare the output results to determine where performance bottlenecks exist and even what device performs best. This SNMP tool assists in characterizing agent performance issues.

  • Measure performance of GET, NEXT, SET, GET-BULK
  • Measure performance of walking a MIB branch via NEXT, GET-BULK
  • Measure performance of any scalar and columnar (table) objects
  • Send both synchronously and asynchronously
  • Tab delimited output can be imported into a spreadsheet (e.g. Excel)

SNMP Packet Recorder and Decoder

*For use with SilverCreek Tests

The SNMP Packet Recorder and Decoder allows you to record packet traffic going to and from SilverCreek. Using this tool you can even record and view encrypted SNMPv3 packets. A regular packet sniffer can’t do that.

Packet Trace

SilverCreek's SNMP tools: Packet Summary, Packet Watch and Packet Debugging -- provide as much detailed, low-level information as you need.



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