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Questions tagged [traceroute]

traceroute is a common networking utility to determine the path a packet takes to a target IP device.

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Traceroute on a hop gives timeout

I was just looking into traceroute and trying to understand it's behaviour. Theoretically I get how IP routing and how traceroute work, but this case baffles me. traceroute to google.com.ar (172.217....
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61 views

Windows 7 how to do simple traceroute with ping? [duplicate]

On mac, I can do this: > ping -DRo computerhope.com https://apple.stackexchange.com/questions/125068/is-there-an-equivalent-utility-to-linuxs-tracepath-for-os-x And it will basically do a simple ...
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19 views

How do I get tracepath (not traceroute) for cygwin?

I need the tracepath utility (not traceroute) on my Windows 7 cygwin. "The main difference between the two is that you need to be a superuser on a Linux computer to use traceroute, whereas tracepath ...
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2answers
136 views

How does the IP address of a gateway in a static route affect routing

I have been using a Windows 7 computer to connect to a Windows 10 computer which is on the same physical network but on a different subnet. Before I added a static route to Windows 7 all traffic was ...
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1answer
37 views

How to find out which network device is used to reach a given server

I have an overly complicated developer network setup with Ethernet, WLAN and VPN. I can connect to certain server but I need to know which actual network device / router was used to make the ...
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2answers
45 views

tracert shows different responses from different laptops. Is it normal?

I recently noticed the following. Is this normal? Running two laptops side by side, one tracert command shows responses along the routers from modem all the way to 8.8.8.8 At the same time, the ...
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1answer
35 views

why is there a delay in showing the IPs in traceroute?

I use traceroute in windows and as usual I get the delays and the IP addresses of the routeres. In each row, after printing the three delays, it takes a few second before printing the IP address. I ...
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36 views

Tracepath not working in Centos 7 with Vagrant

I'm attempting to use tracepath to get the traceroute for a bunch of URL's, but it's not working correctly. For every URL I try It just returns the same result e.g [vagrant@centos7 ~]$ tracepath ...
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183 views

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 ...
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0answers
114 views

Why does traceroute increment the destination port by 1 for each probe it sends?

I captured the packets sent by Traceroute using Tcpdump. Here is the screenshot Tcpdump below. Why does traceroute increment the destination port by 1 for each probe it sends?
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44 views

How do I check what networks devices are being used to connect to a website?

The question is pretty straightforward.. So, when I connect to www.google.com for example, is there a command for me to identify the network devices between my computer and the website? If I use ...
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2answers
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The number of the results per hop in traceroute request : fixed on 3 or variable [closed]

I am analysing some traceroutes, I found 6 columns instead of 3 per one hop. My question : the number of results per hop depends on what?
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155 views

Can not trace the packets to a specific gateway ip

I try to make the OSX host-A to be a specific gateway for a Linux host-B. The default gateway entry of B has been deleted and add a specific gateway as below. Note: 98.136.144.138 is the ip address of ...
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44 views

Why “Find-NetRoute -RemoteIPAddress” is gettting the “wrong” route entry?

As you can see, it is getting the default route entry, when should be getting the route entry with prefix 10.10.12.0/24. Any idea why? Can I trust that route print show "the real" route table and its ...
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15 views

Traceroute failing on a distant server

I am having trouble running traceroute to a distant server. This fails from my live server. traceroute fail However, this works from my test server. (Both hosted by the same company) traceroute ...
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2answers
191 views

Get intermediate nodes using ping

I need to get intermediate nodes when requesting the route through ping. I can get the intermediate routes through traceroute url, but in the server there's a problem I cannot use traceroute. I ...
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1answer
42 views

Why MTR prints multiple IPs as the latest node?

I run the following command in the terminal to trace the routes between my computer and 167.99.31.209: mtr -n --tcp 167.99.31.209 --port 1111 This it the output of above command after awhile: Why ...
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27 views

2012 R2 Server stopped allowing external connections overnight

I am using a 2012 R2 server that we use for remote desktop. Overnight, external connections suddently stopped working - no changes to the server, no reboots ( i have now the problem presented ). ...
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2answers
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Is it the ISP or the Website Blocking Me? How to tell?

I am trying to access one particular website for my work as a travel agent: outsideagents.com The error is ERR_CONNECTION_TIMED_OUT on Google and Opera (without VPN), Website Not Responding in ...
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1answer
31 views

Tracert output- trying to understand what to expect

For example, if I typed tracert www.facebook.com I would expect to see the path taken by the packets whilst it is travelling to reach the website, along with the routers it has passed with the hop ...
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0answers
21 views

Windows 10 ucer cannot reach site

Good Morning, I'm a noob with that and I don't know where to look for it. Basically, a user in the network (all win10) is no able to reach a subdomain. I've tried to do the Tracert from 2 PC (they are ...
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65 views

traceroute from router to Windows client fails . But I can still ping

before I begin with my q.Like to say I am Now a squat in networking. Long time since I did my subnet tut and all that stuff. This is not the primary problem. Moot issue is - all of a sudden out of ...
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1answer
210 views

Windows batch file

I am writing a batch file for some work where I need to check if the hosts are reachable or not. I need to log all the error codes I receive on execution of the commands I perform. Specifically, I ...
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36 views

Tracert latency is higher then ping latency

I performed a test using tracert to a specific host and I found that I have latency of 600ms between one hop, but when I try to ping the destination I am getting 100ms. How is it possible that ping ...
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1answer
64 views

How to test router and firewall setting in a small networking lab at home

I have a small network for learning purposes at home, comprised of a couple of routers (Mikrotik) and Raspberry Pi 3s. The objective is to learn/test basic networking. What I want to do is set up some ...
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1k views

I can access any website, but can't ping/traceroute any

I have a problem with pinging and tracerouting and I don't know whether this is my router's fault or my ISPs. Can anyone point me in the right direction? I am hesitant to call my ISP before I have ...
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32 views

Spoofed Tunnel Route

What does it mean when tracert always shows a single long jump? The route below is always the same except the last hop goes directly to any destination IP address that I choose. And, how does the ...
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0answers
45 views

Possible to tracert Google Voice calls, if I route my phone# voIP on Linux? Linux Mint Rosa 17

Wondering if it's possible to tracert anonymous voip calls I'm receiving if I connect my phone number to a Linux voIP server (Asterisk, sipX, OpenPBX, etc.)? My idea is that I may receive info from ...
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1answer
341 views

cannot ping gateway after ipsec up vpn

After sudo ipsec up vpn, I cannot ping 192.168.1.1. It also adds 10.0.0.226 to ip addr. traceroute 192.168.1.1 yields 3 hops: 1. 23.81.21.124 2. 23.81.21.121.rdns.pingpipe.com 3. 23.108.56.0 sudo ...
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60 views

Random internal subnet when on VPN

Forgive me if this may seem unclear - I'm just trying to understand the workings behind this. While troubleshooting an unrelated issue on my home network, I was tracert'ing an address and naturally ...
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131 views

Traceroute RTT latency-jump before and not after transatlantic crossing?

so I did a traceroute from my home-box (situated in Europe) to an US-Server. Now I get a protocol that looks like this: 7 er1.ams1.nl.above.net (80.249.208.122) 30.536 ms 32.328 ms 32.315 ms ...
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441 views

Tracert shows “Request timed out” for all hops, despite present ICMP replies

When trying to run tracert -4 for any host, I get Request timed out responses for all hops except the target host itself. I thought there is some problem with my router, but running Wireshark shows ...
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1answer
739 views

Check if my ISP is blocking incoming connections on port 80 using traceroute

I am trying to expose a simple server over internet listening on port 80. I've configured iptables to accept incoming connections over http, so I don't if this means something but when I use ...
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1answer
58 views

Is it possible avoid specific trace (nodes) in internet?

Is it possible avoid an internet node using the router, or a directive in the firewall? This is not because privacy, it's because I can't join a server due to a heavy saturated node.
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2answers
313 views

traceroute on same subnet not working; shows only stars

I have a 32-bit centos 6 machine and a windows machine on the same switch: 192.168.92.26 and 27. Ping from the Centos box to Windows shows ping times less than 1ms and vice versa. tracert from ...
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1answer
308 views

Same hop count for different destinations in traceroute

When I use traceroute (actually tracert command for Windows) for different destination addresses, I always get same hop counts. For example: For superuser.com, I get: Tracing route to superuser.com [...
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1answer
557 views

Cant access certain websites in my ubuntu

I can access all the websites except a few websites- particularly that of my own college! When I did nslookup www.iitm.ac.in I got the IP, but when I ping that particular IP, I get nothing. What ...
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1answer
241 views

Geolocation through a personal OpenVPN

I set up a VPN using OpenVPN on my private server based in a datacenter in France (Gravelines). Everything works fine, my client IP is modified and appear to be in France : Informations provided by ...
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1answer
37 views

Can someone track searches over a large wireless network?

Is it possible for things that I search to be tracked through a large wireless network (ie. a school network with a username and password for)? And how detailed can they get with these searches? Can ...
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1answer
66 views

What should I submit to my ISP for faster fix

I'm having a hard time using my Internet lately, I'm wondering what kind of data collection / diagnostic of my network should I do before calling tech support. I'm doing a video capture of 'ping' ...
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1answer
51 views

A domain is not opening from certain networks, traceroute stops in between

I'm trying to open my website, say example.com, and the request is timing out. However, www.example.com is opening fine. Also, both domains are working fine when using through a proxy (also working on ...
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0answers
108 views

tracert identify server that timed out

I'm experiencing some delayed responses and did a tracert and see a server hop is down in the middle. How do I determine what the IP address of a timed out server on a timed out hop on a tracert?
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1answer
41 views

Can't ping or connect to my IP from outside

I was able to do so less than 12 hours ago, but now when i attempt to ping my IP (the external one for my PCs at home, the one displayed when i go to a place like ipchicken.com etc) I get a TTL error. ...
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1answer
50 views

Routing troubles with virtual bridge on Windows

Situation I'm having routing problems (at least I guess) on my computer running Windows 7 and a RT OS alongside (shouldn't have influence). Connections are depicted below: ____________ | ...
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2answers
347 views

tracert is incomplete--times out half way to one website hosted by level3.net; otherwise network is fine

First of all, the network and internet are working for everything except one website. And we visit that website every day, and it worked Thursday, then didnt work yesterday, Friday and doesnt work ...
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1answer
46 views

Tracert dns behaviour explanation

I'm trying to understand how tracert works. While sniffing packets with Wireshark I noticed that sometimes tracert decides to not resolve the host name. Here are some examples: tracert http://www....
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1answer
35 views

How to remove nodes from a path?

When I traceroute some servers I notice that the path taken is not geographically ideal: I am in the UK's South-West. My request goes into London, then annoyingly goes North of London (to Leicester) ...
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1answer
413 views

Why does traceroute only sometimes fail to ping my ISP?

I've read that it's fairly common for the first hop or two of a traceroute to only return timed out, as the ISP servers refuse all pings; what does it mean if only some of those pings are dropped/...
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1answer
73 views

Tracking adware that opens ads/phishing websites through your default browser

I have this adware that keeps opening the site "http://pine-this.org/webssm". Would it be possible to see what program is sending the command to open this website to Firefox? Something like a task ...
2
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1answer
396 views

10.0.0.0/8 : Routable or non-routable?

Playing aroung with tracert, I don't really understand this : From what I know, 10.0.0.0/8 addresses are meant for private use and are not routable. Then why my router allows the packets to go "...