Cisco Umbrella experienced an 11.2-hour outage affecting DNS resolution and Secure Web Gateway services for customers routed through the Mexico region, caused by a fiber cut that disrupted connectivity to the MEX1 data center. The affected site was taken out of rotation to minimize impact, though some users continued to experience intermittent access issues with location-sensitive websites such as banking and government sites due to geo-blocking. The data center was restored to rotation at 10:20 UTC on July 11, 2026, returning all services to normal operation.
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The connectivity issues affecting the Mexico region have been resolved. The data center was brought back into rotation at 10:20 UTC, and all services are now operating normally.
We apologize for any inconvenience caused and thank you for your patience.
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If you have any questions or need assistance, please contact our support team. Thank you for your understanding and support as we work to improve your Cisco Umbrella experience.
We have identified that the connectivity issues affecting the Mexico region are due to a fiber cut in the area. To ensure service stability, we have temporarily adjusted our traffic routing for this location.
While this action minimizes the impact for most users, some may still experience intermittent access issues when visiting certain location-sensitive websites. Our team is working to repair the connection and restore full service as quickly as possible.
We appreciate your patience and understanding as we work to improve your Cisco Umbrella experience.
We are taking the MEX1 EDC site in Mexico out of rotation due to ongoing issues impacting anycast services, including DNS and Secure Web Gateway.
This action is expected to mitigate most customer impact for traffic routed through this location. Some users may experience geo-blocking when accessing location-sensitive websites, including certain banking or government websites.
Our engineering teams continue to monitor the service and work with carrier providers to restore normal resiliency. Updates and additional details will be provided as new information becomes available.
We are continuing to investigate the issue.
Cisco Umbrella - DNS and Secure Web Gateway timeout errors - South America
We are investigating an issue affecting DNS and Secure Web Gateway traffic for customers routed through the Mexico region.
Customers may experience intermittent DNS resolution issues and 504 or 50X timeout errors when using Umbrella services in this region.
Our engineering teams are actively investigating and working with the carrier providers to mitigate the impact and restore normal service. Updates and additional details will be provided as new information becomes available.
We appreciate your patience and understanding during this time.
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