【正文】
will print the current ? configuration information once. Netstat –an看本機連接 ? Proto Local Address Foreign Address State ? TCP :7 :0 LISTENING ? TCP :9 :0 LISTENING ? TCP :13 :0 LISTENING ? TCP :1201 :80 CLOSE_WAIT ? TCP :2503 :445 ESTABLISHED ? TCP :3062 :21 TIME_WAIT ? TCP :4929 :1863 ESTABLISHED Nslookup判斷 DNS工作是否正常 ? hk7513sh int s2/0/0:24 ? Serial2/0/0:24 is up, line protocol is up ? Hardware is cxBus E1 ? Description: to dongfang dajiudian (dongfang) ? Inter address is ? MTU 1500 bytes, BW 64 Kbit, DLY 20230 usec, rely 255/255, load 251/255 ? Encapsulation HDLC, loopback not set, keepalive set (10 sec) ? Last input 00:00:02, output 00:00:00, output hang never ? Last clearing of show interface counters 00:00:32 ? Input queue: 0/75/0 (size/max/drops)。 Tracert ? Usage: tracert [d] [h maximum_hops] [j hostlist] [w timeout] target_name ? Options: ? d Do not resolve addresses to hostnames. ? h maximum_hops Maximum number of hops to search for target. ? j hostlist Loose source route along hostlist. ? w timeout Wait timeout milliseconds for each reply. Tracert命令結果 ? tracert Tracing route to over a maximum of 30 hops 1 10 ms 10 ms 10 ms 2 10 ms 10 ms 10 ms 3 * * * Request timed out. 4 15 ms 16 ms 10 ms 5 110 ms 109 ms 109 ms 6 125 ms 125 ms 125 ms 7 922 ms 937 ms 938 ms 8 937 ms 922 ms 922 ms 9 984 ms 1000 ms 984 ms [] 10 1000 ms 985 ms 984 ms 11 1000 ms 1016 ms 1000 ms 12 * 1046 ms 1047 ms [] 13 1093 ms 1094 ms 1078 ms [] 14 1063 ms 1078 ms * 15 * * * Request timed out. 16 * reports: Destination unreachable. FTP判斷網(wǎng)絡速度的利器 ? ftp help ? Commands may be abbreviated. Commands are: ? ! delete literal prompt send ? ? debug ls put status ? append dir mdelete pwd trace ? ascii disconnect mdir quit type ? bell get mget quote user ? binary glob mkdir recv verbose ? bye hash mls remotehelp ? cd help mput rename ? close lcd open rmdir ? ftp FTP結果 ? 226Maximum disk quota limited to 70000 Kbytes ? Used disk quota 69995 Kbytes, available 4 Kbytes ? 226 Transfer plete. ? ftp: 10240000 bytes received in Netstat判斷自己主機的連接 ? Displays protocol statistics and current TCP/IP work co