HP Web Jetadmin Software Manuel d'utilisateur télécharger pdf (Page 178)

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Might be slow on large domains.

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Local administrator credentials are needed to perform this discovery.

Details About Running a Discovery Using Domains

Start here if one of the discovery methods you choose is Domain (while creating templates (Create Discovery

Templates on page 166), editing templates (Edit Discovery Templates on page 168), or scheduling (Schedule

Discoveries on page 163)), then the Select domains page is displayed. On this page, you can select the domains

to include in the discoveries:

1. Type the domain in Domain or browse for the domain. Then click Add. The domain is displayed in the

Domain box below.

To remove any domains from the Domain box, highlight the domain and click Remove.

2. Click Next.

WS-Discovery

A discovery that uses the Web Services protocol requires minimal settings to launch. HP Web Jetadmin uses the

Web Services protocol to query the network to nd network-connected and PC-connected devices. After an initial

device response, HP Web Jetadmin performs additional SNMP queries to learn more about the devices and add

them to the All Devices list. This discovery mechanism nds devices on both local and remote subnets.

Characteristics of a Web Services discovery for network devices include the following:

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Packets contain a router hop-counter (IP time to live attribute) that can be set from within

HP Web Jetadmin. The default is 4 hops.

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Packets expire when the router hop-counter reaches zero.

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The discovery mechanism is fast.

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The discovery presents low network trac.

The reach of a Web Services discovery depends on the following:

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The setting for the Routers to cross (hops) conguration option for the discovery (see Congure the

General Settings for Device Discoveries on page 64).

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The conguration of the network routers. If the router is congured to pass Web Services requests on to

other sections of the network, then a discovery might discover devices on the entire network.

You can also control the reach of discoveries by conguring the Web Services request to span a certain number

of routers (see Congure the General Settings for Device Discoveries on page 64). The routers must be

congured to allow the Web Services request to be forwarded.

The discovery can also be aected by the conguration of the local rewall (see Discovering Devices with

HP Web Jetadmin through Firewalls on page 136).

If the router is congured to pass Web Services requests on to other sections of the network and the discovery is

congured to cross multiple routers, then the discovery might discover devices across multiple subnets and

perhaps the entire network.

152 Chapter 3 Device Management ENWW

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HP Web Jetadmin Software Manuel d'utilisateur Page 178

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