Configuring an HTTP Test Instance
Context
Before configuring an HTTP test instance, configure an HTTP server and ensure reachable routes between the HTTP client and the HTTP server.
Through an NQA HTTP test, you can obtain the response speed in three phases:
DNS resolution time: indicates the time taken to resolve the HTTP server domain name into its IP address. During this process, the NQA client sends a DNS request to the DNS server. The DNS server resolves the domain name of the HTTP server to an IP address and returns a DNS response.
TCP connection setup time: indicates the time spent in setting up a TCP connection between the NQA client and the HTTP server through three-way handshake.
Transaction time: It is a period from the time the client sends the Get or Post packets to an HTTP server to the time the Echo packet sent by the client reaches the HTTP client.
The NQA client also functions as the HTTP client. Perform the following steps on the NQA client.
Procedure
- Run system-view
The system view is displayed.
- Run nqa test-instance admin-name test-name
An NQA test instance is created, and the NQA view is displayed.
- Run test-type http
The test type is set to HTTP.
- Run destination-address ipv4 ipv4-address
The destination address is configured.
- (Optional) Run the following commands as required to configure
parameters for the HTTP test.
Run description string
A description is configured for the test instance.
Run frequency interval
The test period is set for the NQA test instance.
Run timeout time
The timeout period of a probe is set for the NQA test instance.
Run dns-server ipv4 ip-address
The DNS server address is configured.
Run destination-port port-number
The destination port number is configured.
Run source-address ipv4 ipv4-address
The source IP address is configured.
Run source-port port-number
The source port number is configured.
Run ttl number
The TTL value in the NQA test packet is set.
Run sendpacket passroute
The NQA test instance is configured to send packets without searching the routing table.
Run probe-count number
The number of probes in a test is set.
Run tos value
Type of Service (TOS) is set for the test packet.
Run fail-percent percent
The failure percentage is set for the NQA test instance.
Run vpn-instance vpn-instance-name
The VPN instance name is configured.
Run records history number
The maximum number of historical records is set for the NQA test instance.
Run records result number
The maximum number of result records is set for the NQA test instance.
Run agetime hh:mm:ss
The aging time is set for the NQA test instance.
- Run http-operation get
The HTTP operation type is set to Get.
- Run http-url deststring [ verstring ]
The URL of the web page that the HTTP test accesses and the HTTP version are configured.
If no HTTP version is configured, HTTP1.0 is supported by default. You can set the version to HTTP1.1.