
HP Web Jetadmin supports the SNMPv1/SNMPv2c traps and SNMPv3 traps that devices send. There are
signicant dierences in the way that HP Web Jetadmin handles the trap tables for SNMPv1/SNMPv2c and
SNMPv3. For more information about these dierences, 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:
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An intuitive, easy-to-use interface for subscribing to alerts
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Multiple options for specifying alert subscriptions
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A default template for alert subscriptions
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Alerts for supply events
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Adaptive polling for supply events
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Backup polling
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An alerts history interface
What You Can Do With Alerts
You can use Alerts to have immediate or real-time notication 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 specic settings on that device (or devices)
including events, email address notication, and more. (See Create Alert Subscriptions on page 192.)
Types of Alerts
There are three types of Alerts:
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General alerts (detailed): Include most non-supply device events and rely on traps. Polling is established
when traps destinations cannot be congured.
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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.
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Critical alerts: Events are monitored by polling every ve minutes. The polling interval is congurable 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 congure:
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An alert that is set to add an event to the alert history when a specic printer error occurs.
ENWW Alerts 189
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