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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How to view resolved ip adresses in tracert command in cmd?

How can I see resolved IP addresses in the 'tracert' command in command prompt. Some guy on the internet is getting resolved names for the same command as mine(tracert 8.8.8.8). His and mine.
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ping Request Timeout causes?

My home internet has recently gone on the fritz. Running ping google.com seems to return interesting results: equest timeout for icmp_seq 2028 Request timeout for icmp_seq 2029 Request timeout for ...
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IPv6 through a 6in4 Gateway

a specific question about TRACEroute Hops the situation because I have IPv4only from my ISP, I'm using a 6in4 tunnel; this doesn't make any difference if using just a tunnelbroker e.g. Hurricane ...
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Do Linux (4.15.0-130) and Windows (10) treat ICMP differently?

While attempting to troubleshoot a Windows 10 machine with erratic network problems, I did a traceroute to a host and got somewhat different results from what I see on my Ubuntu 18.04 system with ...
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Traceroute/tracert fails to receive hops return information

I noticed that with some routers/gateways when I issue a traceroute or a tracert in a 'inner' computer the hops always fail with: request timed out can anybody clarify this? what information goes ...
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254 views

Windows ping to Any IP including 127.0.0.1 hangs, but internet works

I have weird behavior on my Windows 10 operating system. Any ping/tracert command hangs and nothing happens. I have never seen something like this before, and all i have found in the google aren't my ...
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Windows route table issue with subnet

I have a route table on Windows 10 which is 104.16.0.0 255.240.0.0 192.168.0.97 So, when an out going traffic to IP like 104.26.1.132 should be routed to 192.168.0.97, instead of the default gateway. ...
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Default gateway not responding to pings with a TTL of 1

I am attempting to create a traceroute program, but this isn't directly related to programming. I noticed that my router will not respond with a Time Exceeded to pings that have a TTL of 1, which is ...
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Why can’t I see the second hop in tracert?

giga.cube is my local router. My PC is connected to it via WiFi. After that I see a hop whose IP adress can't be seen nor pinged. Is this nominal? Be aware that the GigaCube is connected to internet ...
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352 views

`traceroute` does not work properly in the NAT mode with port forwarding in VirtualBox

I have the following setup: Adapter: NAT Port forwarding: TCP | host port 2277 | guest port 22 when I traceroute google.com, I get the following result: traceroute google.com traceroute to google.com (...
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How does my Wi-Fi router seemingly cause lag in another hop?

$ traceroute -I 203.195.123.148 traceroute to 203.195.123.148 (203.195.123.148), 64 hops max, 72 byte packets 1 192.168.0.1 (192.168.0.1) 2.249 ms 1.187 ms 1.257 ms ... 8 180.87.67.46 (180....
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SSH after connecting a VPN

My computer (Windows 8) has a WAN IP (i.e.) 172.217.192.105, a LAN IP 192.168.1.10, and a DDNS name mycomputer.myddns.com When I make a tracert, a ping or a ssh, I got the WAN IP as expected, through ...
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421 views

Why is tracert not showing my public ip address?

Tracert does not show the IP of my WAN interface, not the gateway also. My public IP starts with 37 and it does not appear in tracert. tracert www.google.com 1 3 ms 3 ms 2 ms vodafone....
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How to find IP of Wireless AP (NOT the router, just the AP!)

My Wireless AP is a Tp Link TL-WR740N. It's continuing to broadcast its SSID and I can connect to it and use the WiFi and indeed connect to the internet (via the router) using it. However I need to ...
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83 views

How to interpret specific MTR packet loss data (are these IPs internal or external?)

I've been experiencing some pretty bad, but intermittent, packet loss and I'm not sure if I need a new cable modem or router, or whether it's the ISP. I ran MTR (well, winmtr) as soon as it started ...
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Connection suffers from “packet loss” and trace route

My internet connection has been suffering from packet loss for weeks and I'm trying to find where it is happening. It can go up to 35% packet loss, which is terrible and it's really bad when playing ...
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506 views

How do I traceroute an ipv6 address with mtr?

I'm trying to troubleshoot a connectivity issue to an IPv6 addressed host using mtr, however, despite using the -6 switch, it fails with the error: mtr -6 2001:db8:1d4f:10::1 mtr-packet: Failure to ...
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How to understand the output of traceroute?

I see some entries have multiple rows. Does anybody know why? Thanks. $ traceroute 8.8.8.8 traceroute to 8.8.8.8 (8.8.8.8), 64 hops max, 52 byte packets ... 8 108.170.252.129 (108.170.252.129) 36....
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Why is this international internet traffic routed so inefficiently? [closed]

Being located in the Philippines/Asia, I did a traceroute to a datacenter in the Netherlands/Europe: traceroute to www.transip.nl (37.97.254.1), 30 hops max, 60 byte packets 1 _gateway (192.168.0.1)...
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I can't access most sites using IPv6. Is it an issue with “Level 3” network?

Note: I'm not a network expert, and I don't have deep knowledge about IPv6. Recently, IPv6 connectivity seems not to be working here. (Tested through Firefox) The funny thing are, when doing a ...
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Route given by traceroute and ping does not match routing table

I have a network of over 100 hosts running CentOs 7 With Quagga installed on all of them. Between certain hosts, the route given by traceroute (and incrementing ttl flag with ping) does not match the ...
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Why does traceroute time out when I try it on certain hosts?

I have a large LAN set up with over 100 hosts. Most of the time traceroute works fine, but in certain cases between two particular hosts, it times out. I have tried the default traceroute as well ...
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Traceroute not doing reverse lookups

I know for a fact that traceroute in Linux should also reverse lookup the IPs to their hostname but on my pc (running Arch Linux) it doesn't while on my Raspberry Pi the same command (issued from the ...
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Is there a way to configure traceroute such that the -T or -I flags do not require root privs to perform?

I am using Centos 7. Basically I just want any user to be able to do a ICMP or TCP traceroute. Is there a way to configure traceroute such that the -T or -I flags do not require root privilegess to ...
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539 views

Getting firewalld to allow traceroute for centos 7

We have a server running CentOS 7. There is a weird situation where I can ping to the server from my firewall but was not able to perform a traceroute. The server is a directly connecting to the ...
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Traceroute: destination IP-address returned for all but first hop. (Debian 9.11)

At some point in the past year, Traceroute behavior changed. Was working correctly prior. (Debian v9.11 Traceroute 1:2.1.0-2) Now, first traceroute result, my gateway, is correct, but all the ...
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How can ping/ tracepath derive the path MTU info? [closed]

How exactly do ping and tracepath manage to obtain info on MTU?
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Strange issues with Wget, DNS, traceroute and VPN on router using BusyBox

Wget is not working on my router anymore because DNS queries from the router are returning IPV6 as “Address 1” and IPV4 as “Address 2” and wget (in BusyBox on the router) does not support IPV6. Take ...
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Tracert throws up an error with -R option

When I use tracert without any options, it runs fine. As in: tracert google.com But when I run it with -R: tracert -R google.com It throws up the error "Unable to resolve target system name ...
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300 views

Interpret the output of these traceroute commands

I've been getting unusually high ping (~180ms) to the League of Legends OCE server (Australia) when playing from NZ, and so I've done a traceroute for the IP of the server. Is anyone able to give ...
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Tracert tracing to different ip than the one returning from who is [closed]

I am trying to figure out why I cannot access a specific website from my office network. If I visit this site from another ip then there is no problem. I can visit also other websites hosted in the ...
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Double Nat Detection

I am trying to figure out if I have double NAT so I ran some traceroute. First I set my router in NAT mode and ran traceroute 8.8.8.8 Here the result traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 ...
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202 views

How to use Traceroute --mtu on Mac

I am trying to do the following Traceroute --mtu google.com however I get a usage: traceroute [-M first_ttl] etc giving me all the command lines. How can I use --mtu with traceroute on mac? I am ...
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mtr output: last entry is repeated on all hops

Whenever I run mtr, it briefly shows a single hop per line, then upon reaching the last hop it shows up as a duplicate entry on all other hops: My traceroute [v0.92] [local ...
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470 views

pathping shows PC hop twice with 100% packet loss

The pathping to 185.60.112.157 (game server) shows my PC hop twice, the second time with 100% packet loss back from the router.  Is this an issue? Since "Lost/Sent" after this hop are all 100% packet ...
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Why our website is not reachable from our office (static IP) but works fine on other ISP?

From our office, we can't reach our website anymore. But from home (or other ISP network, ever from cellphone), it is reachable!  I performed a traceroute from office and the data stop at 116.251.117....
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Can't ping to VM on another computer, even with route table entry

I have 2 computers. Computer A is running a VM, which is behind a NAT. Computer B just wants to PING that VM. I know that VM behind NAT is intended to be inaccessible from the outside, that's why NAT ...
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Find the average RTT with the asterisks

These two pictures present the results after running a tracerout I want to find the AVG RTT for each line but dont know the value of the asterisks should I put a zero and then find the avg of all of ...
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203 views

Why is Nmap traceroute so fast?

Using Nmap's traceroute option shows only one hop and is extremely fast. I understand it works differently than traceroute in that it tries to guess the right TTL instead of beginning with 1. But ...
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205 views

If traceroute result returns more than one gateway in one hop, what is the path of the destination host?

I performed trace route in Linux, the traceroute result give me more than one gateway in each hop. How can I find the routing path to my destination? Please refer below output: traceroute to ipv4....
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Is it normal to get some request timed out in tracert?

I was wondering if it's normal to have some request timed out in tracert. For example: C:>tracert www.google.com Tracing route to www.google.com [216.58.210.36] over a maximum of 30 hops: 1 10 ...
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Cannot reach my OpenVPN server from outside anymore

I've been using my Raspberry Pi as an OpenVPN server for a long time but I noticed that, after my father called the Telecom's customer support (Telecom is an Italian ISP) because of a problem with ...
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544 views

What cause packet loss on my network?

This is my trace test from my PC to google.com 1 1 ms 1 ms 1 ms 192.168.1.1 2 23 ms 23 ms 23 ms host-41.236.127.1.tedata.net [41.236.127.1] 3 27 ms 27 ms 28 ms ...
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174 views

Wifi Latency : modem or internet carrier?

I would like to know if problems I have in wifi depends on the internet provider or the wifi. Mac OS 10.9.5. Router D-Link. Wi-Fi Frequency 2.4Ghz. The internet providers says the signal is ...
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644 views

Multiple private addresses in my traceroute results

First of all, I am aware this question has been asked before in here, here and here. But it didn't have the answer I needed. so here are my traceroute results: 1 4 ms 5 ms 4 ms ...
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Run a tracert continually for period of time

I have a site where network speed and specific network related activities become very slow. I want to run a tracert from one of the PC's onsite to, say, a file server or print server located at our ...
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traceroute shows just * * * in linux ( in a virtual machine ), although displays all IPs in windows correctly

I did tracert to google in windows PowerShell and IP addresses of all stations are displayed properly. However, if I do the same in Linux in a virtual machine to the same server, I see only * * * . ...
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585 views

traceroute in Ubuntu

I'm using Ubuntu 18.04, and I don't have traceroute, even I've just done, sudo apt-get install traceroute So I checked, and indeed traceroute package don't have traceroute program: $ dpkg -L ...
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230 views

How do I find out what this unknown device is on my network?

Backstory: I have a home PC network that is mixed hardwired and wireless, with a wireless access point and hardwired PCs - connected to a dual-WAN capable router, connected to a cable modem, connected ...
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2k views

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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