## 1. API Description
Domain name: monitor.api.qcloud.com
API: GetMonitorData
BM public network load balancer provides a combination capacity to obtain the monitoring data at the following four levels:
Load balancer, listener, listener server, listener server port
### 1.1 Obtain the monitoring data at the load balancer level. The values for input parameters are as follows:
namespace: qce/bm_lb
dimensions.0.name=vip
dimensions.0.value (load balancer vip)
### 1.2 Obtain the monitoring data at the listener level. The values for input parameters are as follows:
namespace: qce/bm_lb
dimensions.0.name=vip
dimensions.0.value (load balancer vip)
dimensions.1.name=protocol
dimensions.1.value (protocol value). Available values: tcp, udp, http, https.
dimensions.2.name=loadBalancerPort
dimensions.2.value (load balancer port)
### 1.3 Obtain the monitoring data at the listener server level. The values for input parameters are as follows:
namespace: qce/bm_lb
dimensions.0.name=vip
dimensions.0.value (load balancer vip)
dimensions.1.name=protocol
dimensions.1.value (protocol value). Available values: tcp, udp, http, https.
dimensions.2.name=loadBalancerPort
dimensions.2.value (load balancer port)
dimensions.3.name=lanIp
dimensions.3.value (backend server ip)
dimensions.4.name=vpcId
Dimensions.4.value is the integer ID of the private network to which load balancer instance belongs, which can be obtained from the field vpcId returned via the API [Query VPC List](/document/product/386/6646).
### 1.4 Obtain the monitoring data at the listener server port level. The values for input parameters are as follows:
namespace: qce/bm_lb
dimensions.0.name=vip
dimensions.0.value (load balancer vip)
dimensions.1.name=protocol
dimensions.1.value (protocol value). Available values: tcp, udp, http, https
