Cisco Umbrella incident
Potential incident with Meraki SD-WAN Head-End in Denver
Cisco Umbrella experienced a minor incident on November 18, 2025 affecting Meraki SD-WAN Head-End, lasting 14m. The incident has been resolved; the full update timeline is below.
Affected components
Meraki SD-WAN Head-End
Update timeline
- investigating Nov 18, 2025, 10:50 PM UTC
We are currently investigating a potential incident in the Denver Data Centre. Some customers may not be able to access public internet resources via Denver, but services should have failed over to Dallas.
- identified Nov 18, 2025, 10:59 PM UTC
The issue has been identified, and our engineers are working on the resolution. Some tunnels in Denver may be interrupted during this process, but any services that failed over to Dallas would not be interrupted.
- resolved Nov 18, 2025, 11:05 PM UTC
This incident has been resolved.