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Networking & Telecommunications vocabulary · Troubleshooting and Monitoring

Go down

Meaning in networking & telecommunications, with examples

phrasal verbCore term

In networking & telecommunications, go down means: To stop working or become unreachable; used for links, servers, services and whole networks. The opposite is 'come back up' or 'be back up'.

In Turkish: çökmek, düşmek, kesilmek, devre dışı kalmak

How it is used

Extremely common in spoken and written operations English: 'The link went down at 3 a.m.', 'Is the site down?' Status is often given simply as 'up' or 'down'. A link that keeps going down and coming back up is said to be 'flapping'.

Example sentences

  1. The main internet link went down at 3 a.m. and the backup took over.

  2. If the core switch goes down, the whole building loses connectivity.

Common collocations

  • the link went down
  • go down unexpectedly
  • be down for maintenance
  • come back up
  • the site is down
  • outageA period during which a network, a link or a service is not working or cannot be reached by its users.
  • downtimeThe total time during which a system, link or service is not available, whether because of a fault or because of planned work.
  • failoverAutomatic switching to a backup device, link or system when the main one fails, so that the service continues with little or no interruption.
  • network monitoringContinuously checking the health and performance of network devices and links, such as availability, traffic, errors and latency, and alerting engineers when something goes wrong.
  • troubleshootTo find the cause of a technical problem step by step, usually by testing one possible cause at a time, and then fix it.

More terms: Troubleshooting and Monitoring

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