traceroute is a common networking utility to determine the path a packet takes to a target IP device.
Questions tagged [traceroute]
276 questions
21
votes
4 answers
Can't ping but can access internet just fine?
I'm wondering if anyone has ideas on this one, since it's a first for me. I can access the internet just fine with a browser, but using PING or TRACERT from a command prompt just shows requests timing out once they leave my network.
To take some…
sXe
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18
votes
3 answers
I can tracert to an IP address, but not ping it
On Windows, if I tracert to Google I get the following;
C:\Users\Dave>tracert -d -w 100 www.google.com
Tracing route to www.google.com [216.58.220.100]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.1.1
2 17 ms * …
DJA
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18
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7 answers
How to find which DNS server I am using (of the multiple configured dns servers)
I have two dns servers configured, which are listed when viewing ipconfig /all
I would like to know which of the two servers I am using at the current time i.e. from my browser or via the tracert command. I believe that I will be using the first…
Paul George
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14
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3 answers
Why is tracert showing a private IP address right after my router, even though it has a public IP?
Here is a log of tracert superuser.com from my computer:
Tracing route to superuser.com [198.252.206.16]
over a maximum of 30 hops:
1 2 ms 2 ms 2 ms 192.168.1.1
2 11 ms 17 ms 9 ms 10.216.128.1
3 12 ms 17 ms …
kinokijuf
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12
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2 answers
Is it possible to force TCP to find another path to the host?
I have two operating systems on my computer, in one TCP normally finds the path to the host, and in the other traceroute breaks off halfway. Is it possible that the route is somehow cached? If so, is it possible to reset this cache? The OS in which…
HtmlMan
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11
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2 answers
private address in traceroute results
I SSH into a remote host 194.199.68.165 and then use traceroute to check paths to 132.227.62.122 , and I notice that there are some private IPs, like 10.230.10.1
bash-4.0# traceroute -T 132.227.62.122
traceroute to 132.227.62.122…
misteryes
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9
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1 answer
* * * in traceroute
If I traceroute to my server via a bunch of different methods, the external ip seems to not work. However the server is online and accessible by this ip.
Localhost:
michaelxu@michaelxu-server:~$ traceroute 127.0.0.1
traceroute to 127.0.0.1…
agz
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8
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1 answer
Packet sizes for ping and traceroute
Why is a ping packet's data length 32 while a traceroute packet's data length is 64 bytes? Is there any reason for that? Or are there any advantages for this difference?
Baran
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8
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What is the range of ports that is usually used in the traceroute command?
I wanted to know if there is a range which is usually used for destination port that is used in traceroute command. Like the starting address for destination port is 33434. but is there some standard range which is preferred for traceroute ?
j10
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8
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Why traceroute on Windows is named tracert - book that I am reading is claiming that there is some historical context
The book called "UNIX and Linux System Administration Handbook, 5th Edition" on a page about traceroute, in the footnote is saying that "Windows have it's own version, named tracert (special points on history knowledge for everyone who knows why)".…
Learner
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7
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2 answers
Traceroute hops in the same subnet
in what case is there two neighbor hops in the same subnet in a traceroute output? As I know it should be only source addresses and each router interface should be in different subnet?
E.g.:
1 * * * Request timed out.
2 2…
yunolikeyahooo
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7
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3 answers
Can you approximate a server's location?
Me and a colleague are having an argument whether or not the SaaS application we use is hosted in the US or in the EU.
The contract says EU.
Various traceroutes (example from home below) say US.
In the example below, the lookup of both 4.59.145.42…
Von Lion
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6
votes
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Can I change the traceroute to a certain IP?
I like to play the game League of Legends but lately have gotten unacceptable amounts of latency (400+ ping). After finding out the game server's IP (95.172.65.165) I tried to traceroute it to see if there are any problems. As it turns out, there…
orlp
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6
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How do I troubleshoot distant Internet routing problems?
(This may be better answered on serverfault, but it's not technically about a server, so suggestions welcome...)
We just moved offices at work. We're in Cambridge, MA, and have a Comcast business-class cable modem. Once every few days, for most of…
Jay Levitt
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6
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1 answer
Slow tracert between hops
Each hop in the tracert reports 2ms or less latency, but trying to get to the end of one hop to another goes really slow. What would cause the latency to be so low yet take so long to perform the hop?
Eric Packwood
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