TeraSwitch incident

TYO2 - Core Router Reload

Major Resolved View vendor source →

TeraSwitch experienced a major incident on May 7, 2026 affecting TYO2 - Tokyo, Japan, lasting 15d 16h. The incident has been resolved; the full update timeline is below.

Started
May 07, 2026, 02:03 AM UTC
Resolved
May 22, 2026, 06:24 PM UTC
Duration
15d 16h
Detected by Pingoru
May 07, 2026, 02:03 AM UTC

Affected components

TYO2 - Tokyo, Japan

Update timeline

  1. investigating May 07, 2026, 02:03 AM UTC

    Teraswitch is investigating a core router failure in TYO2. Traffic is routing over the remaining redundant routers.

  2. monitoring May 07, 2026, 02:29 AM UTC

    After an emergency software upgrade, the router is normalized. Teraswitch is monitoring the operation for further errors.

  3. resolved May 22, 2026, 06:24 PM UTC

    This incident has been resolved.