1-6If you execute the nqa entry command to enter the test group view with test type configured, you willenter the test type view of the test group directly.Configuring an NQA Test GroupConfiguring an ICMP Echo TestAn ICMP echo test is used to test reachability of the destination host according to the ICMP echo replyor timeout information. An ICMP echo test has the same function with the ping command but has moreabundant output information. You can use the ICMP echo test to locate connectivity problems in anetwork.Follow these steps to configure an ICMP echo test:To do… Use the command… RemarksEnter system view system-view —Enter NQA test group view nqa entry admin-nameoperation-tag —Configure the test type asICMP echo and enter test typeviewtype icmp-echo RequiredConfigure the destinationaddress for a test operation destination ip ip-addressRequiredBy default, no destination IPaddress is configured for a testoperation.Configure the size of probepackets sent data-size size Optional100 bytes by default.Configure the filler string of aprobe packet sent data-fill stringOptionalBy default, the filler string of aprobe packet is the hexadecimalnumber00010203040506070809.Specify a VPN instance vpn-instance instance OptionalNot specified by default.Specify the IP address of aninterface as the source IPaddress of an ICMP echorequestsource interfaceinterface-typeinterface-numberOptionalBy default, no interface address isspecified as the source IPaddress of ICMP probe requests.If you use the source ipcommand to configure the sourceIP address of ICMP echo proberequests, the source interfacecommand is invalid.The interface specified by thiscommand must be up. Otherwise,the probe will fail.