OpManager accesses the remote devices using the protocols such as SNMP, CLI, or WMI. The credentials like the password/snmp community, port etc., may differ for different device types. Pre-configuring a set of credentials in OpManager helps applying them to multiple devices at a time, saving a lot of manual effort. Listed below are the various types of credentials supported in OpManager, its pre-requisites and the steps to add one into OpManager.
SNMP v1/SNMPv2: SNMPv1 /v2 are community based security models. They use access mechanisms known as 'Read community' (for Read access) and 'Write community' ( for Write access ). The following are the parameters that are essential for a SNMP v1/v2 credential:
Pre-requisites:
SNMP v3: SNMPv3 is a user based security model. It provides secure access to the devices by a combination authenticating and encrypting packets over the network. The security features provided in SNMPv3 are Message integrity, authentication and encryption. You will have to configure the following parameters if SNMPv3 credential type is selected.
How to check if the snmpEngineBoots and snmpEngineTime values specified in the device are in-sync with those in the SNMP Agent ?
You can use the Wireshark tool to check if the snmpEngineBoots and snmpEngineTime parameters specified in the device and the SNMP Agent are in-sync with one another.
Download wireshark and query for the SNMP OID from the MIB browser. If the SNMP response message is a report with OID 1.3.6.1.6.3.15.1.1.2, then it means that the boot time and boot count are not synchronized.
Pre-requisites for SNMPv3 credential:
WMI is a windows based credential used for authentication of devices that run on Windows operating system. If you select WMI as the protocol, configure the Domain Name, the User Name, and the Password. Example:- TestDomain\TestUser. Also enter the credential name and description.
Pre-requisites:
These are authentication credentials for CLI based server monitoring.
Pre-requisites:
Provide the vSphere client username and password. Enter the VMware web service port number and timeout interval for the connection between the Host and OpManager server.
Also, ensure that the credentials provided are those of the vCenter under which the required hosts / VM's are present.
Pre-requisites:
Provide the Username and Password of the Host. Enter the web service port number and timeout interval for the connection between the Host and OpManager server.
Provide the UCS Manager Username and Password. Enter the Port, Protocol and Timeout interval for the connection between the UCS and OpManager Server.
Pre-requisites:
Provide the username and password of the Prism API element, the protocol being used (HTTP/HTTPS), the timeout value for the connection and the port in which the Prism element is running.
Pre-requisites: