APC Network Management Card AP9617 Uživatelská příručka stáhnout pdf (Strana 18)

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USER’S GUIDE

network management card

Watchdog Features

Overview

To detect internal problems and recover from unanticipated inputs, the

Management Card uses internal, system-wide watchdog mechanisms.

When it restarts to recover from an internal problem, a System: Warmstart

event is recorded in the Event Log.

Network interface watchdog mechanism

The Management Card implements internal watchdog mechanisms to

protect itself from becoming inaccessible over the network. For example, if

the Management Card does not receive any network traffic for 9.5 minutes

(either direct traffic, such as SNMP, or broadcast traffic, such as an Address

Resolution Protocol [ARP] request), it assumes that there is a problem with

its network interface and restarts.

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APC Network Management Card AP9617 Uživatelská příručka Strana 18