Using the traceroute Program to Diagnose Network Problems

thinkpad:~ # traceroute news.bbc.co.uk traceroute to newswww.bbc.net.uk (212.58.226.29), 30 hops max, 38 byte packets

1 80-68-91-1.no-reverse-dns-set.bytemark.co.uk (80.68.91.1) 0.140 ms 0.115 ms 0.107 ms

2 gi4-3-207.cr01.sov.bytemark.co.uk (80.68.81.66) 0.410 ms 0.334 ms 0.326 ms

3 rt-lonap-a.thdo.bbc.co.uk (193.203.5.90) 75.855 ms 1.822 ms 6.728 ms

4 212.58.238.129 (212.58.238.129) 0.468 ms 0.471 ms 0.443 ms

5 newslb12.thdo.bbc.co.uk (212.58.226.29) 0.390 ms 0.410 ms 0.498 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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