| Author | Forum: PowerSNMP for .NET Topic: GetBulkMessage and GetTable |
| snmpuser From: beijing Posts: 21 Member Since: 06/11/09 |
posted July 13, 2009 11:46 PM I have some questions: (1) To get table values, should I use GetBulkMessage in SNMPv2 and v3, and GetTable in SNMPv1? (2) When I use the sample Agent and sample Manager to do a GetTable test, a error with "No variables in response" message occurred. Here is the steps: 2-a) start sample Agent and Manager 2-b) select the sample Agent from the agent list in the Manager 2-c) Click "Get Table" button Is there any problem in the above steps? How can I get the value of a table? (3) I'm programming a SNMP monitor(manager) to monitor the status of the managed devices in the network and the customer request to monitor SNMP variables via a poll-response mechanism. Can I use GetBulkMessage or GetTable to get table values in a poll? (I'm afraid that a large amounts of data will cause problems) Many Thanks! |
| Jason Farrar (Admin) From: Oneida, NY USA Posts: 223 Member Since: 07/24/07 Extra Support Options Custom Application Development |
posted July 14, 2009 5:42 PM 1. GetBulkMessage is more efficient than GetTable, however there is a GetTable overload that uses GetBulkMessage and returns the results in an array. 2. You're getting this message because the agent's table is empty. The Agent sample's table is a history of all the set requests sent to the Agent so to populate it oy must make at least 1 set request. If you do this and the get the table you should receive a table and not the "No variables in response" message. 3. You should be able to use these in a poll. GetBulkMessage or the GetTable overload that uses GetBulkMessage would be more efficient then individual Get or GetNext (GetTable for snmpv1 just uses GetNext messages) messages for getting a table. Of course if they only want to monitor one row or column in a table then you should only use a Get message on the correct OID for the desired data. |
| snmpuser From: beijing Posts: 21 Member Since: 06/11/09 |
posted September 2, 2009 2:26 AM Could you please provide a sample to show how to get one row and one column data in a table? Thanks! |
K M Drake From: Utica, NY USA Posts: 3406 Member Since: 07/14/00 |
posted September 21, 2009 4:32 PM Hi, We will definitely consider adding examples of this to future releases of the product. This has been reported as feature request #5131. If this is an immediate need, please contact Jamie Powell (beyondSupport@dart.com) to discuss the possibility of a custom sample. Thanks, -ken |
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