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Usernames can include up to 32 alphanumeric characters, and no spaces. Both usernames and passwords must be configured on both the OT sensor and the SNMP server. SNMP V3: Select if you're using SNMP version 3, and then enter the following details: NameĮnter the SNMP v3 credentials used to access the SNMP server. A community string can have up to 32 alphanumeric characters, and no spaces. SNMP V2: Select if you're using SNMP version 2, and then enter your SNMP V2 community string. Select + Add host again if you have multiple servers, as many times as needed.

Host 1: Enter the IP address of your SNMP monitoring server. In the SNMP MIB monitoring configuration pane, select + Add host and enter the following details: Sign into your OT sensor and select System settings > Sensor management > Health and troubleshooting > SNMP MIB monitoring. Configure SNMP monitoring settings on your OT sensor For more information, see Azure user roles and permissions for Defender for IoT. To download a pre-defined SNMP MIB file from the Azure portal, you'll need access to the Azure portal as a Security admin, Contributor, or Owner user. For more information, see On-premises users and roles for OT monitoring with Defender for IoT. Have the following details of your SNMP server ready:Īn OT sensor installed and activated, with access as an Admin user.

An understanding of SNMP terminology, and the SNMP architecture in your organization.

A network management station (NMS) that supports SNMP version 3.

If you're using SNMP version 3 and want to use AES and 3-DES encryption, you must also have: Prerequisitesīefore you perform the procedures in this article, make sure that you have the following:Īn SNMP monitoring server, using SNMP versions 2 or 3. SNMP queries are sent up to 50 times a second, using UDP over port 161. To define Defender for IoT sensors on your SNMP server, either define your settings manually or use a pre-defined SNMP MIB file downloaded from the Azure portal. Setup for SNMP monitoring includes configuring settings on your OT sensor and on your SNMP server. This article describes show to configure your OT sensors for health monitoring via an authorized SNMP monitoring server.