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Questions tagged [traceroute]

Question about the route a request takes to arrive at, and return from its destination, particularly when using the 'traceroute' command-line tool.

Questions about the route a request takes to arrive at, and return from its destination, particularly when using the traceroute command-line tool.

75 questions
60
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3 answers

traceroute gives only stars + how to fix

When I do: $ traceroute 8.8.8.8 I get in the output showing only stars, even though pinging to google.com ( 8.8.8.8) appears to be working. What do I need to fix in my files/conf in order to solve this issue? what I need to check? Ping command…
user58412
27
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3 answers

How to make traceroute trace beyond 30 hops?

Some of the servers I use traceroute on, are more than 30 hops away. How do I make traceroute trace beyond 30 hops?
Nickolai Leschov
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3 answers

Why does traceroute display many ip addresses for the same hop?

Here is the route path from my home to sina.com.cn. traceroute -n sina.com.cn traceroute to sina.com.cn (202.108.33.60), 30 hops max, 60 byte packets 1 192.168.31.1 0.476 ms 0.587 ms 0.695 ms 2 140.0.5.1 2.557 ms 2.699 ms 3.065 ms 3 …
scrapy
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17
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3 answers

How to get traceroute on cygwin?

The implementation of traceroute(tracert) differs on Windows and Unix. I wanted to compare both with Wireshark. I am on Windows 7 now and I wanted to get Unix traceroute implementation quickly. My first idea was to get it using MSYS or Cygwin. I…
Kirill
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13
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1 answer

What is the difference between tracepath and traceroute or are they same?

I see two commands giving similar output but have no idea if there is a difference between the two or not. For e.g. [$] tracepath debian.org …
shirish
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11
votes
2 answers

Traceroute doesn't work on Linux, on Windows it does

I'm a Linux Mint user. I've run traceroute on Linux and tracert on Windows. On Linux, I just get asterisks. Everything seems to work fine on Windows. Here are the outputs Windows: Linux Mint: Why is this happening and is there something I can do…
Luigi
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7
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1 answer

How to use traceroute command in unix

how to determine if the server is slow or not with traceroute unix command . Here is the traceroute Out put of a host IP . traceroute 188.165.247.43 traceroute to 188.165.247.43 (188.165.247.43), 30 hops max, 60 byte packets 1 iPhone.local…
Subhransu Mishra
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5
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1 answer

channel 1: open failed: administratively prohibited: open failed

I am trying to set up an SSH tunnel (on a Raspberry Pi) with the following command: ssh [email protected] -L 5672:tabor.cs.kotnet.leuven.be:5672 -N (I should note that I can, or at least could, change the first port 5672 to whatever I…
Ad Fundum
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4
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1 answer

Ifup interface failing with answers: file exists

I am having issues configuring three blocks on my system. I used to add the addresses of each block manually, but I discovered that I can add the entire block using the command "ip route add local". When I tried this, it initially worked, but when I…
Monstrum
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4
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1 answer

Why is mtr more reliable than traceroute, on my ISP?

My traceroute6 results are truncated, while the results from mtr span the whole path. Why would this happen? mtr uses ICMP ECHO by default, just like traceroute. Running traceroute under sudo does not change the result. Nor does -M tcp or -M udp…
sourcejedi
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4
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2 answers

Script to Ping an IP and create a log showing date/time of any fails, times over 500ms, and traceroute any fails

I am trying to make a script to run constantly that produces a log showing ping stats. I want the log to contain and ping fails, times over 500ms and the traceroute of any timeouts. Here my script: #!/bin/bash ip=www.google.com while [ 1 ]; do ping…
Eric Pevehouse
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4
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1 answer

putting extra hops into traceroute6 on OpenBSD

I'm running OpenBSD, or maybe FreeBSD. I don't have lots of IPv4 addresses to waste, but who doesn't have a few billion of IPv6 ones? How do I add some extra IPv6 hops to a traceroute6, around pf(4) on OpenBSD? Similar to how Ryan Werber of Beagle…
cnst
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3
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4 answers

traceroute with explicit gateway selection

I have a router (running Linux) that is connected to two ISPs, the routes are selected using BGP, however, I would like to ping/trace each connection separately. The standard traceroute command seems to be able to do it (allow selection of outgoing…
Pentium100
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3
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1 answer

traceroute, only print gateway information

I can't find any info regarding this in the man-pages. How would one go about only printing the gateway using traceroute?
Lithicas
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2
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Asterisks keep going in traceroute

I know that asterisks mean that the router didn't send the ICMP message back saying that TTL was 0 and I had to dump the request. but sometimes for some cases when I want to check for the path of my packets to a server, at some point it keeps…
Amirreza A.
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