Cloud Monitor collects traffic monitoring data in real time and generates visualized time series curve charts. CloudMonitor allows you to view the monitoring data of traffic between virtual border routers (VBRs), transit routers (TRs), or virtual private clouds (VPCs) and Express Connect Routers (ECRs), and the monitoring data of cross-region access traffic over ECRs. You can use the ECR monitoring feature to gain insight into the data changes in the runtime traffic and packets. You can also create threshold-triggered alert rules to receive alert notifications about data exceptions at the earliest opportunity and take corresponding measures.
View monitoring metrics of an ECR
You can view the monitoring data of traffic between VBRs, TRs, or VPCs and ECRs in the Express Connect console and the CloudMonitor console. You can view the monitoring data of cross-region access traffic over ECRs only in the CloudMonitor console.
View monitoring metrics in the Express Connect console
Log on to the Express Connect console.
In the left-side navigation pane, click Express Connect Router (ECR).
On the ECR page, find the ECR that you want to manage and click the name of the ECR.
On the details page of the ECR, click the VBR, TR, or VPC tab.
Find the resource that you want to manage and click the
icon in the Monitor column to view monitoring metrics.
For more information about the metrics of ECRs, see the Metrics section of this topic.
By default, the system displays monitoring data collected within the last hour. You can select other time ranges from the Time drop-down list. Supported time ranges are 3 hours, 6 hours, and 12 hours. You can also select Custom to specify a custom time range.
After you enable Auto Refresh, the monitoring chart is updated every minute.
View monitoring metrics in the CloudMonitor console
Log on to the CloudMonitor console.
In the left-side navigation pane, choose .
In the Network section of the Cloud Service Monitoring page, click Express Connect Router.
On the Express Connect Router tab of the Express Connect Router page, find the ECR that you want to manage and click Monitoring Charts in the Actions column to view monitoring metrics.
For more information about the metrics of ECRs, see the Metrics section of this topic.
By default, the system displays monitoring data collected within the last hour. You can select other time ranges from the Time drop-down list. Supported time ranges are 3 hours, 6 hours, and 12 hours. You can also select Custom to specify a custom time range.
Create a threshold-triggered alert rule
Log on to the Express Connect console.
In the top navigation bar, select a region. Then, click Express Connect Router (ECR) in the left-side navigation pane.
On the ECR page, find the ECR that you want to manage and click the name of the ECR.
On the details page of the ECR, find the resource that you want to manage and click the
icon in the Monitor column. On the monitoring page, click Set Alert Threshold.
On the Alert Rules page, click Create Alert Rule.
In the Create Alert Rule panel, configure the parameters that are described in the following table and click Confirm.
The following table describes the parameters that are related to this topic. For more information about other parameters, see Create an alert rule.
Parameter
Description
Product
The name of the cloud service that you want to monitor. In this example, Express Connect Router is selected.
Resource Range
The resources to which the alert rule applies.
All Resources: The alert rule applies to all resources of the specified cloud service within the current Alibaba Cloud account.
Application Groups: The alert rule applies to all resources in the specified application group of the specified cloud service.
Instances: The alert rule applies to the specified resources of the specified cloud service within the current Alibaba Cloud account.
Rule Description
Specify the condition of the alert rule. An alert is triggered when the condition of the alert rule is met. To specify a condition, perform the following operations:
Click Add Rule and select a metric type from the drop-down list.
In the Configure Rule Description panel, enter a rule name in the Alert Rule field and configure the Metric Type parameter. Valid values of the Metric Type parameter:
Simple Metric: Select a metric and set the threshold and alert level for the metric.
Combined Metrics: Select an alert level and specify alert conditions for two or more metrics in the Multi-metric Alert Condition section.
NoteIf a multi-metric alert rule is configured, the desired resource must have data on each metric. An alert can be triggered only if the related conditions are met. For example, if a multi-metric alert rule includes Internet metrics but the ECS instance is not configured with an elastic IP address (EIP), alerts cannot be triggered.
Expression: Select an alert level and then configure an alert expression.
Dynamic Threshold: For more information about dynamic thresholds, see Overview and Create dynamic threshold-triggered alert rules.
NoteThe dynamic threshold feature is in invitational preview. To use the feature, you must submit a ticket.
Click OK.
Metrics
Metrics for ECR-VBR connections
Metric | Description | MetricName | Statistics |
PkgsOutFromECRToVBR | The number of packets that are sent from an ECR to a VBR per second. Unit: packet/s. | PkgsOutFromECRToVBR | Value |
PkgsInFromVBRToECR | The number of packets that are sent from a VBR to an ECR per second. Unit: packet/s. | PkgsInFromVBRToECR | Value |
RateOutFromECRToVBR | The rate of data transfer from an ECR to a VBR. Unit: bit/s. | RateOutFromECRToVBR | Value |
RateInFromVBRToECR | The rate of data transfer from a VBR to an ECR. Unit: bit/s. | RateInFromVBRToECR | Value |
BytesOutFromECRToVBR | The total amount of data that is transmitted from an ECR to a VBR. Unit: bytes. | BytesOutFromECRToVBR | Value |
BytesInFromVBRToECR | The total amount of data that is transmitted from a VBR to an ECR. Unit: bytes. | BytesInFromVBRToECR | Value |
Metrics for ECR-TR connections
Metric | Description | MetricName | Statistics |
PkgsOutFromECRToTR | The number of packets that are sent from an ECR to a TR per second. Unit: packet/s. | PkgsOutFromECRToTR | Value |
PkgsInFromTRToECR | The number of packets that are sent from a TR to an ECR per second. Unit: packet/s. | PkgsInFromTRToECR | Value |
RateOutFromECRToTR | The rate of data transfer from an ECR to a TR. Unit: bit/s. | RateOutFromECRToTR | Value |
RateInFromTRToECR | The rate of data transfer from a TR to an ECR. Unit: bit/s. | RateInFromTRToECR | Value |
BytesOutFromECRToTR | The total amount of data that is transmitted from an ECR to a TR. Unit: bytes. | BytesOutFromECRToTR | Value |
BytesInFromTRToECR | The total amount of data that is transmitted from a TR to an ECR. Unit: bytes. | BytesInFromTRToECR | Value |
Metrics for ECR-VPC connections
Metric | Description | MetricName | Statistics |
PkgsOutFromECRToVPC | The number of packets that are sent from an ECR to a VPC per second. Unit: packet/s. | PkgsOutFromECRToVPC | Value |
PkgsInFromVPCToECR | The number of packets that are sent from a VPC to an ECR per second. Unit: packet/s. | PkgsInFromVPCToECR | Value |
RateOutFromECRToVPC | The rate of data transfer from an ECR to a VPC. Unit: bit/s. | RateOutFromECRToVPC | Value |
RateInFromVPCToECR | The rate of data transfer from a VPC to an ECR. Unit: bit/s. | RateInFromVPCToECR | Value |
BytesOutFromECRToVPC | The total amount of data that is transmitted from an ECR to a VPC. Unit: bytes. | BytesOutFromECRToVPC | Value |
BytesInFromVPCToECR | The total amount of data that is transmitted from a VPC to an ECR. Unit: bytes. | BytesInFromVPCToECR | Value |
Metrics for cross-region access over ECRs
Metric | Description | MetricName | Statistics |
CrossRegionECRLimitDropPps | The number of packets that are dropped per second due to throttling when packets are sent from the source region to the destination region. Unit: packet/s. | CrossRegionECRLimitDropPps | Value |
CrossRegionECRLimitDropRate | The rate at which packets are dropped due to throttling when packets are sent from the source region to the destination region. | CrossRegionECRLimitDropRate | Value |
CrossRegionECRPps | The number of packets that are sent from the source region to the destination region per second. Unit: packet/s. | CrossRegionECRPps | Value |
CrossRegionECRRate | The rate at which packets are sent from the source region to the destination region. Unit: bit/s. | CrossRegionECRRate | Value |
References
For more information about CloudMonitor, see What is CloudMonitor?