Traceroute not working on linux
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traceroute does not work. the output is like this:
traceroute to google.com (209.85.231.104), 30 hops max, 52 byte packets 1 * * * 2 * * * 3 * * * 4 * * *
Any idea why? It was working fine few days ago but now does not work.
I am able to traceroute directly on pfsense but I can't do traceroute from my laptop to any device inside or outside my network.edit: traceroute with tcp (-T) and icmp (-I) works but only gives one hop. but traceroute with udp (-U)/default does not work.
edit2: I disabled firewall on my laptop with no success. -
It works for me. I'm running openSUSE 42.3.
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Works with a Lubuntu client.
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You don't happen to do something strange and created a rule which blocks ICMP?
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You don't happen to do something strange and created a rule which blocks ICMP?
Not really.
It seems like issue with my laptop itself. I ran a kali virtual machine in bridge mode and did traceroute after restarting my router and switch and this is the output I got:
traceroute pfsense.org traceroute to pfsense.org (208.123.73.69), 30 hops max, 60 byte packets 1 router.localdomain (10.10.100.1) 1.530 ms 1.554 ms 1.352 ms 2 www.pfsense.org (208.123.73.69) 10.761 ms 11.280 ms 11.200 ms 3 www.pfsense.org (208.123.73.69) 12.107 ms 13.464 ms 13.210 ms 4 www.pfsense.org (208.123.73.69) 11.823 ms 11.853 ms 11.947 ms 5 www.pfsense.org (208.123.73.69) 16.103 ms 15.877 ms 15.292 ms 6 www.pfsense.org (208.123.73.69) 15.234 ms 23.681 ms 23.065 ms 7 www.pfsense.org (208.123.73.69) 15.443 ms 13.555 ms 14.085 ms 8 www.pfsense.org (208.123.73.69) 15.090 ms 14.616 ms 14.334 ms 9 www.pfsense.org (208.123.73.69) 68.960 ms 69.847 ms 69.734 ms 10 www.pfsense.org (208.123.73.69) 68.540 ms 68.651 ms 68.225 ms 11 www.pfsense.org (208.123.73.69) 69.721 ms 69.580 ms 69.706 ms 12 www.pfsense.org (208.123.73.69) 70.258 ms 70.256 ms 70.179 ms 13 www.pfsense.org (208.123.73.69) 71.356 ms 70.911 ms 70.650 ms 14 www.pfsense.org (208.123.73.69) 108.362 ms 68.683 ms 69.740 ms 15 www.pfsense.org (208.123.73.69) 74.016 ms 74.125 ms 73.893 ms 16 www.pfsense.org (208.123.73.69) 74.712 ms 74.664 ms 74.575 ms 17 www.pfsense.org (208.123.73.69) 74.558 ms 75.646 ms 75.351 ms 18 www.pfsense.org (208.123.73.69) 74.534 ms 74.582 ms 74.567 ms 19 www.pfsense.org (208.123.73.69) 75.680 ms 74.804 ms 75.559 ms
Not sure why its only giving me one ip address. But local ip address traceroute does not work at all.
I get proper output when I do traceroute on pfsense itself. -
Found the issue. It was fq_codel.
https://forum.pfsense.org/index.php?topic=126637.msg765566;topicseen#msg765566