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Transcript for this video

Here you can see a list of tests that have been run with differing results.

The past results are self-explanatory. They indicate your agent responded in the expected manner.

The failed results need to be analyzed to determine what is wrong.

Each test that fails will have a brief description as to why and then some packet information.

Usually the best approach to interpreting the test results is to first read the test purpose and expected outcome.

After reading that, read the failure results.

This will tell you both what was expected and what your agent did that caused the failure.

In this instance, we are viewing the test results from the SNMP agent included with Windows 2000.

This test has failed because while doing a get-nex, SilverCreek received Message Data Interger “0” for the current MIB Field, whereas the valid range is between integer values 1 and 2.1 billion.

Since 0 is less than 1, it does not fall into the valid number range.

Here is another example of a test failure.

This test was done on a Livingston agent.

Here you see the purpose of this test.

This test failed because the agent did not accept the set for IpForwarding as it is read-only.

For further clarification and understanding of the test purpose and outcome, it is often useful to look up the RFC reference which is listed on the last line after the test description, and is the justification and basis for the test.

In the RFC, it will say something along the lines of, “If this type of packet is received, this type of error message should be returned.”

Thus it provides an understanding behind the foundation of the test.

Another useful tool for analyzing and understanding test results is the journal file.

It records all the packet information, sent and received, between SilverCreek and the agent.

This is useful as a more detailed account of the package exchange than is provided in the test results.

This journal file from the test of the Livingston agent shows you step by step what took place.

This includes what was sent to the agent and the response sent to SilverCreek.


 

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