UNIX: разработка сетевых приложений

14  case ICMP6_DST_UNREACH_ADDR:

15   return("address unreachable");

15  case ICMP6_DST_UNREACH_NOPORT:

16   return("port unreachable");

17  default:

18   sprintf(errbuf, "[unknown code %d]",. code);

19   return errbuf;

20  }

21 #endif

22 }

Пример

Сначала приведем пример с Ipv4:

freebsd % traceroute www.unpbook.com

traceroute to www.unpbook.com (206.168.112.219): 30 hops max. 24 data bytes

1 12.106.32.1 (12.106.32.1) 0.799 ms 0.719 ms 0.540 ms

2 12.124.47.113 (12.124.47.113) 1.758 ms 1.760 ms 1.839 ms

3 gbr2-p27.sffca.ip.att.net (12.123.195.38) 2.744 ms 2.575 ms 2.648 ms

4 tbr2-p012701.sffca.ip.att.net (12.122.11.85) 3.770 ms 3.689 ms 3.848 ms

5 gbr3-p50.dvmco.ip.att.net (12.122.2.66) 26.202 ms 26.242 ms 26.102 ms

6 gbr2-p20.dvmco.ip.att.net (12.122.5.26) 26 255 ms 26.194 ms 26.470 ms

7 gar2-p370.dvmco.ip.att.net (12.123.36.141) 26.443 ms 26.310 ms 26.427 ms

8 att-46.den.internap.ip.att.net (12.124.158.58) 26.962 ms 27.130 ms 27.279 ms

9 border10 ge3-0-bbnet2.den.pnap.net (216.52.40.79) 27.285 ms 27 293 ms 26.860 ms

10 coop-2.border10.den.pnap.net (216 52.42.118) 28.721 ms 28.991 ms 30.077 ms

11 199.45.130.33 (199.45.130.33) 29.095 ms 29.055 ms 29 378 ms

12 border-to-141-netrack.boulder.со.coop.net (207.174.144.178) 30.875 ms 29.747 ms 30.142 ms

13 linux.unpbook.com (206.168.112.219) 31.713 ms 31.573 ms 33.952 ms

Ниже приведен пример с IPv6. Для лучшей читаемости длинные строки разбиты.

freebsd % traceroute www.kame.net

traceroute to orange.kame.net (2001:200:0:4819:203:47ff:fea5:3085): 30 hops max, 24 data bytes

1 3ffe:b80:3:9ad1::1 (3ffe:b80:3:9ad1::1) 107.437 ms 99.341 ms 103.477 ms

2 Viagenie-gw.int.ipv6.ascc.net (2001:288:3b0::55)

  105.129 ms 89.418 ms 90.016 ms

3 gw-Viagenie.int.ipv6.ascc.net (2001:288:3b0::54)

  302.300 ms 291.580 ms 289.839 ms

4 c7513-gw.int.ipv6.ascc.net (2001:288:3b0::c)

  296.088 ms 298.600 ms 292.196 ms

5 m160-c7513.int.ipv6.ascc.net (2001:288:3b0::1e)

  296.266 ms 314.878 ms 302.429 ms

6 m20jp-ml60tw.int.ipv6.ascc.net (2001:288:3b0::1b)

  327.637 ms 326.897 ms 347.062 ms

7 hitachi1.otemachi.wide.ad.jp (2001:200:0:1800::9c4:2)

  420.140 ms 426.592 ms 422.756 ms

8 pc3.yagami.wide.ad.jp (2001:200:0:1c04::1000:2000)

  415.471 ms 418.308 ms 461.654 ms

9 gr2000.k2c.wide.ad.jp (2001:200:0:8002::2000:1)

  416.581 ms 422.430 ms 427.692 ms

10 2001:200:0:4819:203:47ff:fea5:3085 (2001:200:0:4819:203:47ff:fea5:3085)

  417.169 ms 434.674 ms 424.037 ms

28.7. Демон сообщений ICMP