iptrace?

Dotan Cohen dotancohen at gmail.com
Thu Jul 3 07:39:44 UTC 2008


2008/7/3 NoOp <glgxg at sbcglobal.net>:
> On 07/02/2008 01:45 PM, Dotan Cohen wrote:
>> 2008/7/2 Chris Mohler <cr33dog at gmail.com>:
>>> I use "mtr" for this - it's pretty straightforward: mtr <hostname_or_IP>
>>>
>>
>> I had used mtr for this, it showed 80% loss on one of the ISP's
>> machines. They told me that was normal, and to use iptrace which used
>> the same types of packets (actually, the real packets) of http data.
>> That's how this thread started.
>>
>
> And did you point out to the ISP that the 80% loss _is not_ normal? Here
> is today's mtr from California back to that machine:
>
>  mtr -r -c 20 bzq-179-124-9.static.bezeqint.net
> HOST: gg2xp                       Loss%   Snt   Last   Avg  Best  Wrst StDev
>  1. bras13-l0.pltnca.sbcglobal.n  0.0%    20   12.9  17.1  12.8  82.2  15.3
>  2. 64.164.107.1                  0.0%    20   12.0  12.6  11.1  27.9   3.6
>  3. 151.164.93.229                0.0%    20   11.9  13.1  11.1  32.8   4.8
>  4. 69.220.8.33                   0.0%    20  103.2  52.6  12.4 201.1  70.9
>  5. asn6762-telecom-italia.pxpac  0.0%    20   13.2  23.2  12.4 181.2  37.9
>  6. customer-side-bi-3-pal5.pal.  0.0%    20  228.6 229.3 228.3 236.0   1.6
>  7. bzq-179-124-9.static.bezeqin  5.0%    20  229.2 230.6 228.3 252.6   5.4
>
> ~$ host bzq-179-124-9.static.bezeqint.net
> bzq-179-124-9.static.bezeqint.net has address 212.179.124.9
>
> As you can see, it's pretty clean right now with only 5% loss. However,
> all of the above is subject to change if the path nodes get a burst and
> start dropping packets due to high volume. That part is normal - 99.2%
> loss is not (http://dotancohen.com/images/examples/bezeq.html). You
> might also point them to this:
>
> http://www.google.com/search?hl=en&q=bzq-179-124-9.static.bezeqint.net
> http://www.google.com/search?hl=en&q=212.179.124.9
>  WoW-Europe.com Forums -> Latency problem
>  Latency Spikes - Page 68 - Age of Conan Europe Forums
>  Unusually high ping from Israel - Age of Conan Europe Forums
>  etc.
>
> Looks like others have been having similar problems.
>

Thank you, NoOp. I will demand to speak with a higher-level tech and
bring this up.

Dotan Cohen

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