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The Guardian - AU
The Guardian - AU
Business
Josh Taylor

Optus network outage may have been caused by same issue that brought Facebook down in 2021

Optus Facebook Internet Australia Cloudflare Guardian Australia
Optus Yes sign
Optus services have been restored after an outage, possibly caused by a ‘configuration issue’, brought down internet, landline and mobile services. Photograph: Saeed Khan/AFP/Getty Images

The lengthy outage of Optus’s internet and mobile services across the country could have been caused by the same issue that brought down Facebook two years ago, experts suggest.

Cloudflare, which tracks a range of activity on the internet, noticed a spike in Border Gateway Protocol (BGP) announcements from the telco coinciding with the time Optus’s network went offline.

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