down

Down, in computer networnking, is The state of a network when some or all network communications are disrupted.

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What is Down (in computer networking)?

The state of a network when some or all network communications are disrupted. Common reasons for networks being down include:

  • Loose connectors on cables
  • Breaks or shorts in cables
  • Failed networking components

Indications that the network might be down include

  • Users complain that they can’t log on to the network or access certain network resources.
  • Alarm systems in Simple Network Management Protocol (SNMP) management software start sending administrative alerts or e-mail to administrators.
  • The uninterruptible power supply (UPS) unit in the wiring closet generates its annoying high-pitched tone.