Tag: postmortem

All the articles with the tag "postmortem".

• Root CA rotation partitioned one tenant after a seemingly clean rollout

  19 Aug, 2026

  Technical deep dive into Root CA rotation partitioned one tenant after a seemingly clean rollout

• When STP IGP and BGP Recovered in the Wrong Order

  29 Jul, 2026

  Technical deep dive into When STP IGP and BGP Recovered in the Wrong Order

• Partial rollback created a half-upgraded fabric

  13 Jul, 2026

  Technical deep dive into Partial rollback created a half-upgraded fabric

• The regex route-map that matched the whole customer table

  21 May, 2026

  Technical deep dive into The regex route-map that matched the whole customer table