Network Intelligence Service:FAQ

Instance diagnostics

• Does instance diagnosis support diagnosing the historical status of an instance?

• Why does the diagnostic result show an abnormal health check state for a CLB instance with health checks configured? Can instance diagnostics identify the cause?

• Why can't I run further diagnostics on the backend servers of certain CLB instances?

• What are common use cases for EIP diagnostics?

Reachability analyzer

• What are the use cases for the reachability analyzer?

• Why do I see the message "The path contains an unsupported intermediate node. Path analysis is not supported."?

• Why does the reachability analyzer return "The request matches the deny rule of the security group"?

Cross-account resource analysis

Yes. Enable Resource Directory first, and then enable Multi-account management in the NIS console.

Traffic analysis

• Why am I unable to view the data after I enable the traffic analysis feature?

• Why am I unable to select an existing transit router in a region from the drop-down list when I want to enable the hybrid cloud traffic analysis capability for a VBR connection of the transit router?

• Why can't I select an existing transit router from the drop-down list?

• Which public IP addresses are supported by the Internet traffic analysis capability?

• Why am I unable to find some ECS instances in a region on the Internet Traffic page after I enable the Internet traffic analysis capability for the region?

• Can NIS obtain the real IP addresses of clients when Web Application Firewall (WAF) is enabled for SLB instances?

• Can the Internet traffic analysis capability collect the information about traffic that is denied by security groups?

• Why am I unable to view RTT on the Internet Traffic page?

• Why is the traffic monitoring data of a service in the NIS console different from the monitoring data in the service console?

Others

How to deactivateNIS? (How to unsubscribe from Network Intelligence Service (NIS))

1. Log on to the NIS console.

2. In the left-side navigation pane, choose Configuration > Deactivate.

3. On the Deactivate page, select your reasons and click Deactivate NIS.