An engineer configured SNMP notifications sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as "UNKNOWNUSERNAME, WRONGDIGEST". Which action resolves the issue?
A.
Configure the correct authentication password using SNMPv3 authNoPriv.
B.
Configure correct authentication and privacy passwords using SNMPv3 authPriv.
C.
Configure correct authentication and privacy passwords using SNMPv3 authNoPriv.
D.
Configure the correct authentication password using SNMPv3 authPriv.
Both cases (A, D) generate the same error message.
Still, we need to make sure that both authentication and encryption passwords are correct, otherwise further errors occur.
So for me it's B.
B is correct, check Table 2 Cisco-Specific Error Messages for SNMPv3 -> authNoPriv
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-3se/3850/snmp-xe-3se-3850-book/nm-snmp-snmpv3.html
From the table, you can find out that these messages correspond to
Configured Security Level:
- authNoPriv
- authPriv
and to Security Level of Incoming SNMP Message:
- authNoPriv with incorrect authentication password
- authPriv with incorrect authentication password and correct privacy password.
But how to correct the error and answer correctly is not clear.
- DES encryption MEAN THAT the security level of SNMPv3 is authPriv.(tab1)
- Such messages for this level MEAN THAT "authPriv with incorrect authentication password and correct privacy password" OR "authPriv with incorrect authentication password and incorrect privacy password"(tab2)
- So this NEEDS TO "Configure correct authentication and privacy passwords using SNMPv3 authPriv" OR "Configure the correct authentication password using SNMPv3 authPriv". (question)
So... B or D?
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