Log in to Tencent Cloud Console and choose Products > Monitoring & OPS > Basic Cloud Monitor. Then, choose Alarm Configuration > Alarm Policy in the left sidebar to open the list page.
Enter the name of a new alarm policy, set the policy type to Cloud Connect Network, and associate an alarm object by selecting an instance group.
Then, add an alarm trigger condition and click Complete. You can find the configured alarm policy in the alarm policy list.
After the alarm condition is triggered, you can receive a notification such as an SMS, an email, or an internal message. You can also find the alarm by clicking Alarm History on the Alarm List page.