HP Web Jetadmin Software Instrukcja Użytkownika Strona 215

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HP Web Jetadmin supports the SNMPv1/SNMPv2c traps and SNMPv3 traps that devices send. There are
signicant dierences in the way that HP Web Jetadmin handles the trap tables for SNMPv1/SNMPv2c and
SNMPv3. For more information about these dierences, see the Using Proactive Alerts with
HP Web Jetadmin white paper. This white paper is available from the HP Web Jetadmin support page (in
English).
The following features are available for alerts in HP Web Jetadmin:
An intuitive, easy-to-use interface for subscribing to alerts
Multiple options for specifying alert subscriptions
A default template for alert subscriptions
Alerts for supply events
Adaptive polling for supply events
Backup polling
An alerts history interface
What You Can Do With Alerts
You can use Alerts to have immediate or real-time notication that an event has occurred. A common scenario is
a print maintenance or support team. These people would like to know when a problem happens rather than to
wait for a customer complaint. In this way, they can proactively handle trouble perhaps even prior to the
customer experiencing downtime.
In HP Web Jetadmin, you actually subscribe to Alerts to get information about devices. When you subscribe to an
Alert, you are requesting information from a device (or devices) about specic settings on that device (or devices)
including events, email address notication, and more. (See Create Alert Subscriptions on page 192.)
Types of Alerts
There are three types of Alerts:
General alerts (detailed): Include most non-supply device events and rely on traps. Polling is established
when traps destinations cannot be congured.
Supplies alerts: Monitor device supply status and levels through polling. The polling mechanism uses a
combination of slow-polling and sliding time interval depending on the level of the supply being monitored.
Critical alerts: Events are monitored by polling every ve minutes. The polling interval is congurable within
the range of 5 to 360 minutes. Because of the frequent polling nature of this solution, it is important to use
it sparingly and only for devices that need immediate attention. All General Alerts are available.
Examples of Alerts
Following are some examples of alerts you might want to congure:
An alert that is set to add an event to the alert history when a specic printer error occurs.
ENWW Alerts 189
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