(Network command line operation windows2k/2003server1 The most basic and commonly used is ping192.168.10.88-t for testing physical networks. The parameter - t is waiting for users to abort the test 2 Check DNS, IP, MAC, etc. a.win98:winipcfgb Win2000 above: ipconfig/allc NSLOOKUP: for example, check DNSc in hebei:\gt; nslookupDefaultServer:ns. hesjpttAddress:202.99.160.68gt; Server202.99.41.2 changes DNS to 41.2gt; pop. pcpopServer:ns. hesjpttAddress:202.99.160.68Non-authoritativeanswer:Name:pop. pcpopAddress:202.99.160.212)