HP Web Jetadmin Software Manuale Utente Scaricare il pdf (Pagina 5)

For more information about SNMP Proxy Agent, see the Discovering PC-connected Devices in HP

Web Jetadmin white paper. This white paper is available from the HP Web Jetadmin support page (in

English). If the SNMP discovery is not successful and if the user added Windows credentials to the

discovery settings, HP Web Jetadmin performs a WMI query to determine whether a plug-and-play

device is installed on any system ports. If a Windows plug-and-play device is installed and active on

the host, the device is discovered and added to the HP Web Jetadmin All Devices list.

PC-connected discovery uses SNMP as the primary protocol, and WMI as the secondary protocol, for

each of the following discovery methods:

 IP Broadcast

 IP Range

 Specified Addresses

 Active Directory

 Domain

NOTE The HP SNMP Proxy Agent is required as a deployed service on remote Windows hosts.

When using WMI, local administrator credentials are required.

Using credentials with discovery

During discovery setup, users have the option of

entering credentials via the Specify credentials

interface (Figure 3). This interface shows different

options depending on whether PC discovery,

network discovery, and SNMPv3 settings are

enabled. Credentials are needed when:

 Performing PC-connected device discovery

using WMI

 Performing network device discovery on

devices with SNMPv1 Get Community Name

 Performing network connected device

discovery on SNMPv3 devices

All of these conditions are outlined below.

NOTE In the Device Discovery wizard, the

Specify credentials interface follows the Specify discovery settings pane (covered in more

detail in “Part 2—Discovery methods” on page 9).

PC-connected device discovery using WMI

PC-connected device discovery via WMI takes place only when an SNMP proxy agent cannot be

found on the Windows host and when the user supplies Windows credentials as part of the discovery

process. These credentials should allow local administrator access to the PC hosts. To enable WMI

discovery, check WMI Credentials and add your User name, Password, and Domain in the Specify

credentials pane.

Network device discovery using SNMPv1 Get Community Name

If SNMP Get community names other than the default “public” are used, HP Web Jetadmin must have

awareness of the Get community name value. Devices with a Get community name other than

“public” do not respond and therefore are not discovered.

Figure 3 shows two options for providing HP Web Jetadmin with Get community names. Under

SNMPv1 Get Community Name, check the box and add the appropriate string in the field provided.

Global credentials can also be used to designate SNMP Get community names. Check Use global

Figure 3—Device Discovery > Specify credentials

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