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0
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1answer
62 views

Why this server is so slow?

I hired a VPS in DigitalOcean, it's hosted in Amsterdam, I'm in Turkey. But server is responding slowly and page is freezing/lagging even at ajax POST-GET request.(there is a basic browser game in ...
0
votes
0answers
39 views

Troubleshoot packet loss and slow transfers on some sites

I need some help troubleshooting a network problem. Home ISP says its the server's network to blame, and host says there's problem on ISP side. With little knowledge, its hard to see where the problem ...
1
vote
0answers
15 views

Connection problema to specific IP

Sometimes, like twice a year a have problems of connectivity from my server to an api server. And only to that api server. Other third party services we use were working fine. I am not so good on the ...
5
votes
4answers
980 views

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 ...
2
votes
3answers
210 views

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 ...
3
votes
2answers
303 views

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 ...
1
vote
1answer
110 views

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 ...
2
votes
2answers
538 views

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 Example1 $ mtr --report -c 10 my.url.com HOST: ansh0l-Lenovo Loss% Snt ...
2
votes
1answer
316 views

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 ...
0
votes
2answers
648 views

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 ...
2
votes
2answers
166 views

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% ...
5
votes
2answers
3k views

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 ...
2
votes
4answers
5k views

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 ...
0
votes
1answer
2k views

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 ...
1
vote
1answer
3k views

Why is network stack ignoring icmp replies from non-default interface?

I have following situation: eth0 - default gateway ( ip: 172.28.183.100, gw: 172.28.183.1 ) eth0 - secondary network connection ( ip: 172.28.171.2, gw: 172.28.171.2). routing looks like this: ...