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Mac OS X and Traceroutes

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Mac OS X and Traceroutes

Hi All

I am using Mac 10.4.5 and trying to do a traceroute using "Network Utility" but all I seem to get is a trace as far as my router.... for example

traceroute to portal.plus.net (212.159.8.137), 64 hops max, 40 byte packets
1 192.168.1.1 (192.168.1.1) 1.287 ms 0.759 ms 0.556 ms
2 * * *
3 * * *
4 * * *

the asterisks continue.So is there a difference between perhaps a "Windows tracert" and the Mac's idea of a traceroute or

A) Network utility is not designed for this task
B)Something in my router is preventing anything getting further, although I have tried disabling the firewall and even tried putting the computer into the DMZ.
C) It is just a Mac thing
2 REPLIES
Community Veteran
Posts: 14,469
Registered: 30-07-2007

Mac OS X and Traceroutes

Sounds like your router is blocking ICMP packets which is what traceroute uses.
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Mac OS X and Traceroutes

Thanks Peter, I discovered based on what you said was probably happening that my Linksys WAG354G with the original firmware did not do "Traceroute" so all sorted thanks to the clue you gave.

A quick firmware upgrade and this is the result

traceroute to portal.plus.net (212.159.8.137), 64 hops max, 40 byte packets
1 192.168.1.1 (192.168.1.1) 1.400 ms 7.837 ms 0.664 ms
2 lo0-plusnet.ptn-ag2.plus.net (195.166.128.53) 28.611 ms 25.117 ms 24.634 ms
3 ge1-0-0-204.ptn-gw2.plus.net (84.92.3.106) 17.337 ms 17.280 ms 20.743 ms
4 ge0-0-0-23.pte-gw1.plus.net (212.159.4.25) 20.210 ms 27.697 ms 23.200 ms
5 atm1-0.ptb-gw1.plus.net (212.159.1.89) 26.415 ms 29.515 ms 24.899 ms
6 vlan18.pri.ptb-gw4.plus.net (195.166.129.130) 40.305 ms 24.405 ms 30.322 ms
7 if2.ptb-al1.plus.net (195.166.129.39) 23.998 ms 24.965 ms 29.125 ms
8 if2.ptb-al1.plus.net (195.166.129.39) 25.542 ms 24.526 ms 30.601 ms