Security-Model

SNMPv3 introduced the principle of the "security model", so that the SNMP configuration in LCOS LX primarily uses the security model "SNMPv3". However, for compatibility reasons it may be necessary to also take the versions SNMPv2c or even SNMPv1 into account, and to select these as the "security model" accordingly.

You select a security model here as is appropriate.

SNMP ID:
2.9.28.1 
Console path:
Setup > SNMP > Groups
Possible values:
Any
Any model is accepted.
SNMPv1
Data is transmitted by SNMPv1. Users are authenticated by the community string in the SNMP message only. Communication is not encrypted. This corresponds to the security level "NoAuthNoPriv".
SNMPv2_C
Data is transmitted by SNMPv2c. Users are authenticated by the community string in the SNMP message only. Communication is not encrypted. This corresponds to the security level "NoAuthNoPriv".
SNMPv3_USM
Data is transmitted by SNMPv3. Users can authenticate and communicate according to the following security levels:
NoAuthNoPriv
The authentication is performed by the specification and evaluation of the user name only. Data communication is not encrypted.
AuthNoPriv
The authentication is performed with the hash algorithm HMAC-MD5 or HMAC-SHA. Data communication is not encrypted.
AuthPriv
The authentication is performed with the hash algorithm HMAC-MD5 or HMAC-SHA. Data communication is encrypted by DES or AES algorithms.
Default:
SNMPv3_USM

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