Express Connect is integrated with CloudMonitor. You can view the real-time status of connections between virtual border routers (VBRs) and virtual private clouds (VPCs). In addition, you can configure alert rules to enable the system to send notifications when alerts are triggered. This helps you gain deep insights into VBR-to-VPC connections and detect connectivity errors at the earliest opportunity to prevent service interruptions.
Prerequisites
A VBR-to-VPC connection is created. For more information, see Create a VBR-to-VPC connection.
An alert contact or an alert contact group is created before you configure an alert rule. For more information, see Create an alert contact or alert contact group.
View monitoring data of a VBR-to-VPC connection
Log on to the Express Connect console.
In the top navigation bar, select a region. In the left-side navigation pane, choose .
On the VBR-to-VPC page, find the connection and click
in the Monitoring column to view the monitoring information. By default, the system displays monitoring data within the last hour. You can select 3 Hours, 6 Hours, and 12 Hours, or specify a custom time range above the monitoring chart.
Configure an alert rule for a VBR-to-VPC connection
You can configure alert rules for a VBR-to-VPC connection. The system sends notifications if the connection has errors. This allows you to handle errors at the earliest opportunity to prevent service interruptions.
Log on to the Cloud Monitor console.
In the left-side navigation pane, choose .
On the Alert Rules page, click Create Alert Rule.
In the Create Alert Rule panel, configure the following parameters and click OK.
Parameter
Description
Product
The type of resources that you want to monitor by using CloudMonitor. In this example, Express Connect-Peering Connections is selected.
Resource Range
The range of the resources to which the alert rule is applied. Valid values:
All Resources: The alert rule applies to all resources of the specified cloud service.
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.
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.
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.
NoteFor more information about how to specify complex alert conditions, see Alert rule expressions.
Metrics for peering connections
Metric | Description | MetricName | Statistics |
IntranetRX | The total amount of data that is received from the peer. Unit: bytes. | IntranetRX | Value |
IntranetTX | The total amount of data that is sent to the peer. Unit: bytes. | IntranetTX | Value |
RateLimitDropPps | The number of packets that are dropped due to throttling when the packets are sent to the peer. Unit: pps. | RateLimitDropPps | Value |
ReceiveBandwidth | The average rate of data transfer from the peer. Unit: bit/s. | ReceiveBandwidth | Value |
RouterInterfaceLossRate | The packet loss due to the bandwidth throttling. | RouterInterfaceLossRate | Maximum |
RouterInterfaceResponseTime | The network latency. Unit: milliseconds. | RouterInterfaceResponseTime | Maximum |
TransportedBandwidth | The rate of data transfer to the peer. Unit: bit/s. | TransportedBandwidth | Value |
InboundBandwidthUsage | The percentage of inbound bandwidth to the total bandwidth. | RxBandwidthUtilization | Value |
OutboundBandwidthUsage | The percentage of outbound bandwidth to the total bandwidth. | TxBandwidthUtilization | Value |
RouterInterfaceHealthyCheckLatency | The response time of probe packets when health checks are performed on a VBR-to-VPC connection. Unit: microseconds. Note This metric is effective only if the health check feature is enabled.
| RouterInterfaceHealthyCheckLatency | Value |
RouterInterfaceHealthyCheckLossRate | The packet loss of health checks performed on a VBR-to-VPC connection. Note This metric is effective only if the health check feature is enabled.
| RouterInterfaceHealthyCheckLossRate | Value |