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How to read traceroute

3 years 6 months ago #123280 by allfive
How to read traceroute was created by allfive
I recently did a traceroute from the command line on my Mac.

traceroute domain.org

Total newbie: I don't know what it means. :)

LInes 1 - 12 are populated with IP addresses. OK.

Lines 13 - 63 are this: * * *

The page loaded as expected in the browser so I'm wondering what all the packet loss symbols are telling me.

I ran several traceroutes for the same domain. There were all 64 lines, with lines 13 to 64 like the above.

There is no "trace complete" line at the bottom of the file. Just my computer name.

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3 years 6 months ago #123300 by Valentin
Replied by Valentin on topic How to read traceroute
Hi Allfive,

I'm new to this, however doing a quick search sounds similar to doing a ping to reach an ip address.

There is no "trace complete" line at the bottom of the file. Just my computer name.

May you elaborate? I'm still not seeing the purpose of the traceroute test

Looking forward to help you

Kind regards,
Valentín

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3 years 6 months ago #123306 by allfive
Replied by allfive on topic How to read traceroute
The host tech people were asking me to do a traceroute to diagnose a VERY slow loading page in my area. I guess the purpose was to see what router was causing the delay. However, by the time I figured out how to do a traceroute, the page loaded fine. Yet I still saw many lines of the * * *. It could be that some routers just don't respond.

Usually one * indicates a packet loss, but there must be a critical mass of losses, and where they occur along the route, that make a difference, I suppose.

I'll have to wait until there is a problem and redo the traceroute and compare my current one to a new one and go from there. I'm sure it is complicated by the many CDNs hosts use today. :)

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3 years 6 months ago #123316 by Valentin
Replied by Valentin on topic How to read traceroute
I see.
I wonder why the hosting provider doesn't check that for you? It could be easier for them, I think.

A tool that I use to analyze website speed is this one . It can check the files and loading time.

Kind regards,
valentín

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3 years 6 months ago - 3 years 6 months ago #123354 by allfive
Replied by allfive on topic How to read traceroute
The host claimed the site loaded fine from where they were (I didn't ask where, but I don't think it was US.) So the diagnosis had to begin from my end.

Of course I was chatting with the lowest level of tech support and in order to get the issue elevated, I had to do a traceroute to prove to them there was a problem. I will not be using them as a host. :)

Thanks for the pingdom link. It looks quite useful.

cheers.

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3 years 5 months ago #123372 by Valentin
Replied by Valentin on topic How to read traceroute
Hi Allfive,
Thanks for the detailed reply!

Let us know if we can be of any help

Kind regards,
Valentín

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