Hi,
I had a similar problem, I was getting a "Unknown security name" from USM.
I checked that the user was added correctly, and it was, but after doing
some debugging I noticed I was using a different USM.
My error was I was doing initialization twice in my application with
different USM (one with a UsmUser, the other one without a UsmUser). In
one place, I was calling:
final USM usm = new USM(SecurityProtocols.getInstance(),
new
OctetString(MPv3.createLocalEngineID()), 0);
SecurityModels.getInstance().addSecurityModel(usm);
snmp.getUSM().addUser(new OctetString(securityName),new UsmUser(new
OctetString(securityName),...));
and a bit later:
final USM usm = new USM(SecurityProtocols.getInstance(),
new
OctetString(MPv3.createLocalEngineID()), 0);
SecurityModels.getInstance().addSecurityModel(usm);
Since SecurityModels is a singleton, I was losing the USM with the
configured user, that's why I was getting "Unknown security name" when
checking security against the other (the one without UsmUser).
I solved it by doing a single init call to
SecurityModels.getInstance().addSecurityModel(usm) for the whole
application.
Regards
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