The dns-server command sets the IP address of a DNS server for a DNS test instance.
The undo dns-server command deletes the IP address of a DNS server.
By default, no IP address is configured for a DNS server.
Usage Scenario
A DNS test instance detects the speed at which a DNS name is resolved to an IP address. It clearly reflects the performance of the DNS protocol on the network.
Prerequisites
The NQA test instance type has been set to DNS test using the test-type command.
Precautions
If parameters need to be changed during the running of the test instance, the system prompts you whether to terminate the test instance. Press "Y" or "N" as required.