Unplanned Maintenance in Shanghai Data Center

Resolved
Resolved

We performed a unplanned test of our upgraded networking equipment in the Shanghai data center today. This test began on October 21, 2018 at 19:20 UTC, and completed on October 21, 2018 at 20:00 UTC.

Impact On October 22, 2018 at 00:40 UTC, we began receiving reports that some customers were unable to establish IPSec tunnels in Shanghai. We investigated and identified initialization failures for IPSec tunnels. At 01:30 UTC, we cleared the session table on the Shanghai load balancer, which restored connectivity.

Began at: