1-22To do… Use the command… RemarksSet the lifetime of thehistory records in an NQAtest grouphistory-record keep-time keep-timeOptionalBy default, the historyrecords in the NQA testgroup are kept for 120minutes.Configure the maximumnumber of history recordsthat can be saved in a testgrouphistory-record number numberOptionalBy default, the maximumnumber of records that canbe saved in a test group is50Configuring Optional Parameters Common to an NQA Test GroupOptional parameters common to an NQA test group are valid only for tests in this test group.Unless otherwise specified, the following parameters are applicable to all test types and they can beconfigured according to the actual conditions.Follow these steps to configure optional parameters common to an NQA test group:To do… Use the command… RemarksEnter system view system-view —Enter NQA test group view nqa entry admin-nameoperation-tag —Enter test type view of a testgrouptype { dhcp | dlsw | dns | ftp |http | icmp-echo | snmp | tcp |udp-echo | udp-jitter | voice }—Configure the descriptive stringfor a test group description textOptionalBy default, no descriptive stringis available for a test group.Configure the interval betweentwo consecutive tests for a testgroupfrequency intervalOptionalBy default, the interval betweentwo consecutive tests for a testgroup is 0 milliseconds, that is,only one test is performed.If the last test is not completedwhen the interval specified bythe frequency command isreached, a new test is notstarted.Configure the number ofprobes in an NQA test probe count timesOptionalBy default, one probe isperformed in a test.Only one probe can be made inone voice test. Therefore, thiscommand is not available in avoice test.