Optus software upgrade causes major network outage

The outage lasted for 12 hours.

Singtel-owned Optus said its massive network outage on 8 November was due to "changes to routing information” following a software upgrade.

The restoration required a large-scale effort and a dispatch of people across Australia to reconnect or reboot routers.

The outage lasted 12 hours. Optus said they have made network changes to ensure that the issue does not occur again.

Optus said they will “support and fully cooperate” with the reviews being undertaken by the Australian government and the senate.

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