Failed to authenticate, TimeSynchronization failure could have occured

in SNMP API • 12 years ago

I need some help determining what I am missing in setting up a trap notification using the SNMPv3 protocol. The simple mib and code works for SNMPv2c, but I am getting an error during the send for an SNMPv3 client/target. The specific error I am seeing is: "Failed to authenticate the SecurityParameters for user testuser USMUserEntry not found for this user.TimeSynchronization failure could have occured".

I am able to retrieve the user information on the client side brought back from the receiver, so it does not really seem to be an authentication, or at least not at the create_v3_tables method, which succeeds.

I am using "AdventNet SNMP API 4 SP3 ( Release 4.0.3 )" version jars as this is the product we purchased.

I have enclosed a simple client reciever test program, and would appreciate any help I can get. Thanks.

Replies(1)

sumathi.g Employee

Failed to authenticate, TimeSynchronization failure could have occured

12 years ago

Hi,

We would like to inform you that, you are calling the create_v3_tables() in V3TrapSender.java application.

create_v3_tables() method creates a new user, performs an engineID discovery, also performs the timeSynchronization provided that the user entry is authenticated and add them to the USMUserTable.

In your case, no need to call the create_v3_tables() in V3TrapSender.java application, if you just update the USMTable and call the snmpSendNotification() method, it sends the trap without any errors. For updating the USMTable, please use the same engineID which you have given in the Trap Receiver application.

Please find the attached file (V3TrapSender.java) and try sending the traps.

For further support, please mail to snmp-support@webnms.com

Thanks & Regards,
Sumathi.G

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