
รู้จักกันดีด้วยคำสั่งตรวจสอบเครือข่าย ping
| nontri% ping nwg.nectec.or.th nwg.nectec.or.th is alive nontri% |

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nontri% ping -s nwg.nectec.or.th 64 14 PING nwg.nectec.or.th: 64 data bytes 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=0 . time=460 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=1 . time=1038 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=2 . time=1402 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=3 . time=1162 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=4 . time=1855 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=5 . time=1080 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=7 . time=1606 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=8 . time=1006 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=9 . time=729 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=10 . time=985 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=11 . time=772 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=12 . time=288 72 bytes from nwg.nectec.or.th (192.150.251.31) : icmp_seq=13 . time=587 --nwg.nectec.or.th PING Statistics-- 14 packets transmitted, 13 packets received, 7% packet loss round-trip (ms) min/avg/max = 288/977/1855 nontri% |


รูปที่ 3 การใช้ ping บนวินโดว์