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Questions tagged [mtr]

The MTR tool is a combination of traceroute and ping. It is a network diagnostic tool.

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why mtr is much faster than traceroute?

In the mtr man pages, it reads: mtr combines the functionality of the traceroute and ping programs in a single network diagnostic tool I use mtr a lot, and find that it's way much faster than traceroute. Instinctively, mtr gives me the answer…
cizixs
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How to interpret traceroute / output of MTR?

I have been running MTR to/from one of my servers and noticed something that looks odd to me. Because I am not really into this I will give you three outputs: This is from the server to my home location: My traceroute [v0.75] prag341.server4you.de…
The Shurrican
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Results of MTR on STDOUT?

I am trying out mtr (My traceroute) for educational purposes. However it is quite disturbing that I can't manage it to print results to stdout directly. Per default it opens a GTK-Window where it prints its results to. If I use the option -t I can…
Boris Däppen
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High percentage of lost packets - TCP, ICMP - mtr - Complain to ISP?

Problem I'm having high packet loss, according to mtr, when sending packets over the Internet. Should I complain to my ISP? Story I am reading the OReilly Linux Networking Cookbook and the chapter Using traceroute, tcptraceroute, and mtr to Pinpoint…
Kenny Meyer
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MTR Report Analysis

We have two different routes to a server. One has this latency of 20000+ ms latency. The other does not have it. The latency happens exactly in the same route and in the same node. The users complains about internet performance when they are…
Dewan Shamsul Alam
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How to monitor a specific interface with mtr

So, I have two interfaces from different ISP's and I'm trying to monitor my connection using mtr. This is the command I'm currently trying to use: mtr --no-dns --address $MY_REAL_IP_HERE $A_DESTINATION_IP Unfortunately this is not going though the…
tftd
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How does mtr work / interpreting pain points using mtr

I have been recently trying out mtr to get network congestion pain points. Following are sample mtr requests Example 1 $ mtr --report -c 10 my.example.com HOST: ansh0l-Lenovo Loss% Snt Last Avg Best Wrst StDev 1.|--…
Anshul Goyal
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What is the format of mtr raw output?

I use mtr to count number of hops to a host and pass that number to a script. I discovered -l (or --raw) option which produces an output ready for parsing. However, I'd like to know where to find this raw format description? Unfortunately, man and…
gluk47
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Why there are always 10% of loss when testing with mtr command?

For example, if I run this command against example.com, with mtr command, I always get 10% of loss, no matter how many time I run, why exactly is 10%? mtr --report 192.0.43.10 HOST: localhost Loss% Snt Last Avg Best Wrst StDev 1.|--…
Ryan
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why the ping value different from the mtr?

Why the ping command's output value is different from the mtr command ? I am curious。 ping: about 0.5ms mtr: about 2.3ms
mrco
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What is the "right way" to monitor network?

My production servers are kept at US east coast and some of the supporting apps are kept at Amsterdam in Europe. There is a Nagios instance running at US east coast as well which does a few port checks and a few checks via ssh. Problem is that…
Aditya Patawari
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Test a server using MTR through TCP

Is it possible to use MTR over TCP? If not is there an alternative? I have done some research and I am not finding any way to do such a thing, so I'm wondering if anyone has had any experience with doing such a thing. If there really is no such…
Matthew Salsamendi
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What does the --filename option of mtr actually do?

I was looking for a tool to display the continuous ping loss to multiple hosts, and I looked at mtr as it already has the display I was thinking about. I saw that it has this option which sounded promising: -F FILENAME, --filename FILENAME …
chutz
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Firewall rules for using mtr/traceroute from LAN

I have a LAN of Linux computers that get access to the Internet over NAT. The gateway runs a restrictive firewall. I have ICMP echo requests and replies allowed to pass through the firewall on the gateway, so I can ping any external host from a LAN…
Anonymous
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Periods of high packet loss, two ethernet cables plugged into TWC modem

A small business for which I am the system administrator has been experiencing intermittent internet dropouts. There seems to be no pattern to the dropouts — sometimes there is nothing for a week, and other times it will drop out dozens of times in…
user3476044
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