What it does
Cisco ThousandEyes runs scheduled synthetic checks for networked assets and the external services an organization relies on. Operators choose global Cloud Agents or deploy Enterprise Agents inside their own sites, then test targets such as hostnames, IPs, DNS services, SaaS applications, and websites. Network, routing, DNS, web, and voice measurements can reveal packet loss, latency, path changes, availability, response time, and page-load performance. Alerts and test results detect symptoms; path visualizations, BGP data, and layered measurements help narrow the failing segment, while engineers still decide and carry out the repair.
Model the user path
ThousandEyes is useful when a service appears unhealthy but the responsible segment is unclear. Begin with a critical URL, hostname, or IP address and choose vantage points that represent the users or networks you care about. Cloud Agents provide outside-in viewpoints; Enterprise Agents can be placed in an office, data center, or cloud network for inside-out tests. For an internal DNS name, the Enterprise Agent needs to use a resolver that can resolve that name. A test configuration also asks for its interval, agent selection, and, for network tests, protocol and probing options.
A practical example is a synthetic HTTP test for a company SaaS workspace from several office and cloud locations. A failing alert identifies a symptom; compare agent-level results, then inspect path and BGP views to see whether loss or a route change is associated with the affected vantage points. Layered tests can collect web, network, and routing measurements, but the documentation treats these as separate result layers rather than one combined pass/fail signal.
What it does not repair
The platform supplies evidence for investigating connectivity and application experience; the operations team still has to contact a provider, change routing, or fix the application. Enterprise viewpoints require agents to be deployed and maintained within the target environment. ThousandEyes describes its service as an annual subscription, with test-unit use determined by test type, interval, timeout, and agent count. The pricing page directs buyers to request a usage estimate, so check the contracted allowance before scheduling a large test set.
Strengths
- Tests can measure network, routing, DNS, web, and voice layers from cloud or customer-deployed agents.
- Path and BGP views provide evidence for locating a connectivity fault after a test or alert detects a symptom.
- The pricing page documents a native REST API for integrating the service with other tools.
Watch out for
- Tests require suitable vantage points; internal-network views depend on deploying Enterprise Agents in the relevant environment.
- Test consumption varies with test type, interval, timeout, and agent count, and public pricing does not state an organization-specific allowance.
Best for
- Tracing intermittent connectivity or application-path problems across offices, cloud regions, and SaaS providers
- Comparing external and internal vantage points during network incident investigation
Sources
- Platform | ThousandEyes Assurance (Oct 25, 2026)
- Getting Started with Cloud and Enterprise Agent Tests | ThousandEyes Documentation (Oct 25, 2026)
- Pricing (Oct 25, 2026)