Listing 1516 Using the traceroute Program to Diagnose Network Problems

thinkpad:~ # traceroute www.palmcoder.net

traceroute to www.palmcoder.net (212.13.208.115), 30 hops max, ms 3.231 ms

40 byte packets

1

192.

168.1.1 2

.734 ms 3

2

217.

41.132.74

17.986 ms

3

217.

41.132.1

21.366 ms

4

217.

41.132.106

30.135 ms

5

194.

106.33.67

34.500 ms

6

194.

106.32.12

28.242 ms

7

195.

66.226.103

30.782 ms

8

194.

153.169.25

34.975 ms

9

212.

13.195.93

39.701 ms

10

212.

13.210.20

41.606 ms

11

sospan.palmcoder.net (212

18.992 ms 22.553 ms 32.597 ms

22.508 ms

30.509 ms 31.283 ms 35.234 ms

40.441 ms 44.235 ms 13.208.115)

19.735 ms 24.021 ms 33.552 ms 24.022 ms 31.278 ms 32.833 ms 37.647 ms 41.401 ms 45.992 ms 47.959 ms

33.374 ms 30.918 ms

For each router that traceroute passes, you see the router's IP address and three timings. When the router is queried, the query actually happens three times to allow you to glean an average response time from the router.

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