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Questions tagged [traceroute]

89 questions
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View trace route through interface

I would like to know if is possible to view the packet hops after a firewall through interface. Lets suppose that I have a firewall that block UPD or ICMP, so when I traceroute something I get this: C:\Users\vide>tracert terra.com.br Rastreando a…
Victor Ide
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Why do i get different results from two servers that located in the same destination network?

There's two servers with the same network IP, and the only difference between them is the last two numbers like: xx.xx.15.247 and xx.xx.66.178 When i try the command Tracert (Traceroute) to test the ping and to see what hops does it take to reach…
John Hark
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Fluctuating ping to a certain ISP backbone

There's a central server that located 300 miles away from my country. but when i test the ping to that server or their ISP backbone, i get inconsistent or a fluctuated pings from there. i live in Saudi Arabia, and the server is located in Qatar…
Semphie94
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traceroute shows stars but netcat reaches the port

I have several (virtual) machines with Centos 7 in the same subnet with several instances of my app running on each of them. I need to test how the apps can reach each other by UDP. I'm trying to access one machine from another one by tracerote. So…
Mike Siomkin
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VPS can not be reached in any way from some clients; IP routing issue?

I have been running a VPS which is situated in Amsterdam. It has not given any problems, and can be reached from most locations reliably. Except when a French customer was not able to reach the server by IP. First I assumed their network was…
LePain
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The packet goes through the other router

I want to connect two hosts in parallel with two different models of virtual routers. These are made redundant by VRRP. Originally, packets are sent through only one of the routers. However, when the packet is sent, it goes through two routers. This…
rei
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Different traceroute response times for same path

When troubleshooting for slow Internet speed on one computer, I am having systematic slower response times between two computers when running tacert, for any domain.They are both connected to the same wifi network. Both computers are running Windows…
alepage
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Unable to ssh over openvpn

I have a setup available on AWS done by making use of this link: https://aws.amazon.com/blogs/awsmarketplace/setting-up-openvpn-access-server-in-amazon-vpc/ However, over VPN, I am unable to reach to the private subnet servers using ICMP or SSH. SG…
serverstackqns
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Traceroute - Header Link CURL result Issue

We have systematic CURLs run every 15 mins - 2 hours from this system and logging their status. Every other CURL for the past 2 months has succeeded except this. Is there a way to identify why this one failed? This was a CURL result to my domain.…
samtech 2021
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Traceroute works but nc fails - Where is my port being blocked?

I am trying to troubleshoot two Azure VNETs that have been peered together. Lets call these VNETs A and B. There are multiple services running on a VM in VNET A on different ports. I am trying to access them from a VM in VNET B. I observe the…
MojoJojo
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Does traceroute use the same path?

I was a little bit confused about the use of traceroute. According to this The traceroute command is used to see how packets are getting routed. It works by sending packets with increasing TTL values, starting with 1. So the first router gets the…
Pyrrha
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Subdomain with variable IP

Subdomains like http://3qax.munzer.webproxy.idc-lorien-apiver01-repay-action.bh-arppofind.comssets.mealcardhss-int-bh-awwwppofind.wire.2.homeetingroom.walmartmobile.cn presents a behavior that when I ping it (or traceroute it), the IP keeps…
Felipe
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Why traceroute with different arguments makes different routes?

I was studying how traceroute works and now im feeling kinda stuck. sudo traceroute -T aws.com traceroute to aws.com (13.227.211.129), 30 hops max, 60 byte packets 1 * * * 2 100.64.0.103 (100.64.0.103) 0.546 ms 100.64.0.72 (100.64.0.72) 0.664…
Evgeniy Pozdnyakov
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What is this private LAN address accessible through my ISP?

Recently some websites I regularly visit (most recently docker.com, atlasobscura.com; both of these sites return an issue with a fortinet-ca2 certificate) have started showing certificate issues on my computer. I thought this is some mix-up so I…
Nikola Novak
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Ping and tracert misbehaving on my device only

I'm posting this here instead of the networking forum because the issue is isolated on my PC Long story short: Pinging anything always results in a successful reply from my private IP Any traceroute attempt results in a 2 hop route with hope 1…
Confused
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