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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 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: Kernel IP routing table Destination Gateway …
user13185
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MTR doesn't recognize IPs of hops

I am building an integrated network operations portal that ties together information from a number of resources. One thing I would like to understand is the topology of the network, and I am trying to use MTR to do so. Unfortunately I don't think…
akaphenom
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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 networking subject. So I want to know the reason…
digao_mb
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Troubleshooting TCP (but not ICMP) packet loss

I have server A and server B, with A attempting to open TCP connections to server B. curl shows that approximately 5-10% of connection attempts time out. mtr shows 0% loss to B, and at intermediate hops (except those hops that do not respond at…
waiwai933
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Debugging ETIMEDOUT errors

I'm trying to debug frequent ETIMEDOUT errors to api.facebook.com (31.13.95.8) when doing HTTP GET requests from our Linux Servers. To figure out whether it is an issue on our server or on Facebook side, I ran this command: $ mtr -r -c 10…
ignite
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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 server that coded with node.js.) VPS : 4GB Memory,…
Lazy
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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 is. Problem is, there's a lot of packet loss and…
NetworkNewbie
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Does traceroute/MTR results in the same overall latency from src and dest direction and vice versa?

I was quite convinced that traceroute/MTR from A to B and B to A will have the same overall latency at the last hop as the reply would have been returning from the reverse direction, meaning i if take from A to B, the icmp will go from A to B and…
Jin
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Ubuntu 20.04 LTS MTR _gateway reporting nearly 100% packetloss, clients experience stutters and lag

I've recently come into some hassle with my dedicated server. I've done as much debugging as I can myself, from running tracerts and pings with a script. Watching the throughput of the server, its appropriate for its utilization, roughly 20mb/s…
Kythosyer
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Running a MTR in Screen through SSH

I recently was introduced to a command that will ssh in our proxy server, then ssh into a network: ssh myname@proxy -t "host $IP" I tried modifying the command as follows to run MTR against our SIP server: ssh mtname@proxy -t screen -dmS sip mtr…
Isaac Harris
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