traceroute is a common networking utility to determine the path a packet takes to a target IP device.
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traceroute simple real time example
I am relatively new to the field of computer networking. I am trying to understand the subject. I know that the question here might be outdated but I still need to understand "why",because I am just ...
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1answer
32 views
practical example for the architectur of the internet
I am relatively new to the field of computer networking. I am trying to understand the subject. I know that the question here might be outdated but I still need to understand "why",because I am just ...
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2answers
46 views
Why do some host disable ICMP Time Exceeded (Type 11) messages? [closed]
While doing a traceroute for different servers, at times I find some host do not return ICMP 'Time to live exceeded in transit' (Type 11) messages and so I see a "* * *" instead of the server name and ...
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2answers
48 views
Where is packet loss occuring? (Interpreting MTR)
If MTR is showing something like:
1. 192.168.0.1 0.0%
2. 1.2.3.4 50.0%
3. etc
That clearly shows that the packet loss is my ISP's fault, correct?
But if I'm seeing:
1. 192.168.0.1 ...
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1answer
64 views
Website is resolving to localhost?
For some reason, the website funshion.com resolves to localhost (127.0.0.1) when I run it on tracert. The website should, of course, go to the website, not to my computer.
Basically, Funshion is a ...
2
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2answers
46 views
Why does ping sometimes decrease in a traceroute?
I've run a traceroute. (see image). The "Avg" column shows that on hop 7, the ping actually decreases between ping 6 and 8. This can't be due to an anomaly because this data is averaged over 24 ...
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3answers
37 views
Is there any browser extension which shows the ip route of the site just opened? [closed]
For example, i open up a video on youtube. Is there an extension which will show me all the hops that my connection had to make along with the latency?
the extension can be either firefox or chrome ...
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1answer
58 views
My ISP is blocking my website?
I am not sure if this is the right place to ask this. If not, please tell me where.
I hosted my website in awardspace.com but now I am unable to connect to my site or awardspace.com. This happened a ...
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0answers
19 views
What are these Request Time Outs in Tracert? [duplicate]
I am having dual router/modem ( I don't know the correct term ). IP of first router is 192.168.1.1 . This is the router which is connected to phone line. Then I have another wifi router , its IP is ...
4
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1answer
68 views
* * * 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:~$ ...
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1answer
50 views
Unable to reach remote server from new ISP
From my previous Internet Service Provider I was able to reach (ping/trace/remote desktop) my remote server (windows 2003). Since I changed ISP I cant reach it.
This is a tracert to the server from ...
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1answer
210 views
Request Timed Out before getting to ISP
I’m on a network running server running Windows Server 2008 R2 and seem to be having a problem with connection speed to the internet. When I use tracert in the command prompt I always get “request ...
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1answer
43 views
DynDNS configuration - second to last packet is timed out during tracert
I have a NAS in a separate location which I connect into through a DynDNS domain I got for it. When I tracert to that DynDNS name, the following comes up:
1 3 ms 2 ms <1 ms ...
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2answers
112 views
How can I find the source of packet loss in a traceroute?
Whenever I ping my website, I get 5% packet loss consistently. However, pinging other sites such as google produce no packet loss. I'm really not fond of my webserver dropping packets, but I'm not ...
2
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1answer
59 views
traceroute on Linux displays '* * *'
What is going on? If I run traceroute google.com it outputs 192.168.0.1 for the first router (which is correct) and threee *'s for the rest. I have tried disabling the FireWall on the router ...
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1answer
67 views
Can't access certain domains - what can I do, or ask my ISP to do?
I've had intermittent failures trying to establish connections to anything on the colorado.edu domain. Existing connections stayed open, but I couldn't establish any new ones - neither ssh nor http. ...
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1answer
63 views
Cannot access a very specific site from my router
This is a problem for me because this site is important to me.
It's MY website. And sadly my email is hosted on my site (which I cant access either)
When I try to access my website when connected ...
1
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1answer
90 views
Trying to understand tracert output
I'm looking at the following tracert ouput:
1 <1 ms <1 ms <1 ms my-router-ip
2 * 14 ms 2 ms something-from-my-isp
3 182 ms 157 ms 158 ms ...
2
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1answer
204 views
Find slow network nodes between two data centers
I've got a problem with syncing big amount of data between two data centers. Both machines have got a gigabit connection and are not fully occupied but the fastest that I am able to get is something ...
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0answers
102 views
Traceroute/ping timeout. A person can't reach my site
I'm working on a web project and the customer bought a dedicated IP address to install an ssl later. A designer on the team can not access the site (but everyone else can). The traceroute from the ...
2
votes
2answers
114 views
Traceroute to IP address fails, but traceroute to domain name with same IP address is okay. Why?
When I traceroute to this IP (108.162.198.181) it stops after 1 hop. But tracerouting to a domain (www.gomodule.com) with the same IP shows 9 hops ending in that target.
traceroute to ...
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1answer
582 views
wget not working on one machine: 404 Not Found
I am trying to use wget to debug and issue I am having. I have a remote machine from one server trying to reach query.json and it works fine, connects and downloads fine. I have another remote machine ...
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1answer
111 views
Get IP of non-responsive traceroute?
The DOS version of tracert doesn't give the IP address of failed pings. What is a reasonably simple way to find the IP's of non-responsive servers in a traceroute?
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1answer
357 views
I can ping, but cannot traceroute or connect to VNC
I am trying to connect to a remote computer using VNC.
As I try to connect using VNC, my connection always times out.
(I use the Remmina REmote Desktop in Ubuntu, and the server desktop is a mac ...
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1answer
178 views
Strange traceroute to msdn.microsoft.com
The problem is I could not view any msdn.microsoft.com/* site and the main site itself on my Ubuntu box on Google Chrome browser. Error is:
Error 101 (net::ERR_CONNECTION_RESET): The connection was ...
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0answers
222 views
ping and tracert don't work, while netstat does on windows pc
I am relatively new here and I don't even know if I'm asking the qn in the correct site.
Please bear with me if I'm wrong.
In my command line netstat works, but ping and tracert don't.
I don't get ...
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2answers
1k views
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 ...
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2answers
190 views
Traceroute, * at first router
When using traceroute on my mac to check the path to any website, the first line is always 3 stars.
imac:~ Jerome$ traceroute google.com
traceroute: Warning: google.com has multiple addresses; using ...
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1answer
418 views
Some websites not loading at all, sometimes only HEAD loads
I cannot visit several websites, they just keep loading forever until the connection attempt times out. I am sure the websites are running fine because I have no problem accessing them through proxy ...
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1answer
348 views
CentOS - Hostname showing as my hosting provider, not server
I've recently purchased a new server, it's set up and configured with CentOS 5.7 and cPanel/WHM.
DNS resolves correctly when accessing websites that point to the server, however, there is a problem ...
3
votes
1answer
96 views
How do you find out what country a file is hosted?
I'm downloading a file from Adobe which appears to be coming from a local source but im not sure.
Local traffic is free which is why im trying to find out.
Download speed seems very slow to be ...
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1answer
173 views
Am I reading this trace correctly?
We've been having issues at work with getting quotes from UPS today. After having no luck getting to the UPS support page, I decided to traceroute it. The following is the result I got from it:
...
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1answer
124 views
traceroute outputs only * * *
Am trying to traceroute to google.com but unfortunately this is the output I am getting -
I know that these * * *s mean that the packets are not reaching back, perhaps due to firewalls, but no ...
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1answer
2k views
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?
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1answer
194 views
Determining cause of TCP/IP connect issue
I need HTTPS access to the host ws.betaqxl.com, but connect fails:
:: curl -k -v https://ws.betaqxl.com
* About to connect() to ws.betaqxl.com port 443 (#0)
* Trying 91.204.81.183... Timed out
* ...
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2answers
339 views
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 ...
4
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1answer
633 views
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 ...
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votes
3answers
12k views
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 ...
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1answer
2k views
How to solve request timed out? And why am I getting this error?
I am having issue with my net connection. My net connection gets disconnected at times. Online gaming faces lagging issue.
It was 1st noted after modem firmware was updated by the ISP ...
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1answer
137 views
conectivity problem
I have 2 PCs (anuin and hed), both running Linux that are connected via ethernet (192.168.1.1 and 192.168.1.3).
Both PCs can ping each other.
anuin is connected to the internet via an USB-stick ...
2
votes
3answers
1k views
Why does tracert not work when connected via wireless, but works when wired?
If my laptop is connected to my new Netgear router via wireless, all tracert commands display my router's IP address for hop #1, then timeouts for all remaining hops. If I connect to my router via ...
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1answer
240 views
How to print only an IP address list of traceroute?
How do I print only an IP address list of a traceroute run?
I don't want the web addresses like something-online.net and their round trip times.
How do I get a "simple" traceroute from the ...
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1answer
335 views
Why/how is WinMTR 30 x faster than tracert / ftrace / wtrace etc?
When I run WinMTR and trace any host, like google.com for example, the built-in windows command tracert (on Win 7) and also third party commands like ftrace take 30 seconds ish to finish even when I ...
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3answers
1k views
How to trace a hacker
So, I'm a big fan of the cheesy 90's movies about hacking (read Hackers). I've been using computers all my life, which has brought me to university studying in Computer Engineering. The other day I ...
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2answers
142 views
tcptraceroute showing paths of greatly varying length
I'm tracing a path to my server using tcptraceroute. The server is showing intermittent network availability. It's as if some packets get through fine, others take a long time and some never get ...
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0answers
300 views
Cannot Resolve Host Or Access Website Through Router
This is weird. I am on Windows XP with Edimax BR 6204Wg. I have 3 devices - 2 laptops and 1 smartphone. 1st laptop and smartphone are connected through WiFi to router and 2nd laptop is connected ...
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3answers
178 views
Traceroute : Ip check
Using traceroute i was trying to see which routers the packet was travelling through
traceroute google.co.in
This seems to show that packets go from my isp to google's servers which are in US but ...
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3answers
1k views
iMac OSX “no route to host”
I have an issue with one of my computer on my network. It is an iMac running OS X 10.5.8.
The issue is accessing certain websites. For instance, one of these websites is that the computer is ...
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1answer
384 views
How to trace the routes to all hosts in a subnet?
I am trying to trace the routes to all live hosts in a subnet. How would one design the command? I've tried the commands below, to no avail. Man pages does not make me any wiser.
mtr -c 1 --report ...
2
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1answer
88 views
How to discover/map the network to increase understanding? [closed]
I am a junior admin and have been tasked with gaining an understanding of the network. I know and use some of the servers on the network, so am able to tracert/ping them to see the names/addresses of ...
