147[DeviceB] snmp-agent sys-info version all[DeviceB] snmp-agent community read public[DeviceB] snmp-agent community write private2. Configure Device A.# Create an SNMP test group, and configure SNMP packets to use 10.2.2.2 as their destination IPaddress. system-view[DeviceA] nqa entry admin test[DeviceA-nqa-admin-test] type snmp[DeviceA-nqa-admin-test-snmp] destination ip 10.2.2.2# Enable the saving of history records.[DeviceA-nqa-admin-test-snmp] history-record enable[DeviceA-nqa-admin-test-snmp] quit# Start SNMP tests.[DeviceA] nqa schedule admin test start-time now lifetime forever# Stop the SNMP tests after a period of time.[DeviceA] undo nqa schedule admin test# Display the results of the last SNMP test.[DeviceA] display nqa result admin testNQA entry (admin admin, tag test) test results:Destination IP address: 10.2.2.2Send operation times: 1 Receive response times: 1Min/Max/Average round trip time: 50/50/50Square-Sum of round trip time: 2500Last succeeded probe time: 2011-01-22 10:24:41.1Extended results:Packet loss in test: 0%Failures due to timeout: 0Failures due to disconnect: 0Failures due to no connection: 0Failures due to sequence error: 0Failures due to internal error: 0Failures due to other errors: 0Packet(s) arrived late: 0# Display the history of SNMP tests.[DeviceA] display nqa history admin testNQA entry (admin admin, tag test) history record(s):Index Response Status Time1 50 Timeout 2011-01-22 10:24:41.1TCP test configuration exampleNetwork requirementsAs shown in Figure 49, configure NQA TCP tests to test the time for establishing a TCP connectionbetween Device A and Device B.