[ale] [OT] ping

[Paul Cartwright]

On Mon July 19 2010, Mike Harrison wrote:
> That 38.104.190.54 is PROBABLY (but not necessarily) the cause of some
> serious packet loss. As it is on an old PSI IP address range and connected
> by Cogent, it's a pretty fair possibility. It could also be mostly the
> dyndns.org server itself and 38.104.190.54 is suffering under load of all
> the dropped packets and traffic. In my trace below, I'll wager that the
> high times of ..186.29 cause the loss on .186.18
yours doesn't use cogento twice, like mine did...

>
> MTR is a tool, not a diagnosis and often routers will drop packets
> for many reasons.
I understand, which is why I was asking:)

>
> $ mtr --report -c 3 dyndns.org
> HOST: gemini                      Loss%   Snt   Last   Avg  Best  Wrst
> StDev 1. gw.utiliflex.com              0.0%     3    0.2   0.2   0.2   0.3
>   0.1 2. static-host-74-205-136-1.epb  0.0%     3    5.7   7.2   5.7   8.8
>   1.5 3. ???                          100.0     3    0.0   0.0   0.0   0.0
>   0.0 4. ???                          100.0     3    0.0   0.0   0.0   0.0
>   0.0 5. 12.91.215.185                 0.0%     3    5.9   5.3   4.4   5.9
>   0.8 6. cr81.atnga.ip.att.net         0.0%     3    6.9  33.4   6.9  83.3
>  43.2 7. cr2.attga.ip.att.net          0.0%     3   11.7   9.7   6.8  11.7
>   2.6 8. attga01jt.ip.att.net          0.0%     3    8.2   7.5   4.4  10.0
>   2.9 9. 192.205.36.202                0.0%     3   17.6  13.1   6.0  17.6
>   6.2 10. if-7-0-0-60.har1.A56-Atlanta  0.0%     3   10.2   9.8   9.0  10.2
>   0.7 11. if-11-0-0.core3.AEQ-Ashburn.  0.0%     3   22.1  22.2  20.6  23.8
>   1.6 12. 63.243.186.29                 0.0%     3  102.8  66.2  32.7 102.8
>  35.1 13. 63.243.186.18                66.7%     3   49.1  49.1  49.1  49.1
>   0.0 14. Vlan572.icore1.NTO-NewYork.a  0.0%     3   28.8  28.0  25.6  29.5
>   2.1 15. dyndns.org                    0.0%     3   25.3  25.0  24.8  25.3
>   0.2

I like the report, at least you can copy & paste easier..
mtr --report -c 3 dyndns.org
HOST: paulandcilla.homelinux.org  Loss%   Snt   Last   Avg  Best  Wrst StDev
  1. dd-wrt                        0.0%     3    0.6   0.6   0.6   0.7   0.0
  2. static.rbak01.atnex.net      33.3%     3   11.0  11.4  11.0  11.8   0.6
  3. 208.65.88.19                  0.0%     3   11.2  11.0  10.9  11.2   0.2
  4. 10.207.200.3                  0.0%     3   12.4  11.3  10.8  12.4   0.9
  5. fa0-16.na01.b002053-0.atl04.  0.0%     3   12.9  11.9  11.0  12.9   1.0
  6. gi1-48.3802.mpd01.atl04.atla  0.0%     3  114.0 148.6 114.0 194.9  41.6
  7. te7-4.mpd02.atl01.atlas.coge  0.0%     3   13.1  31.2  13.1  46.5  16.9
  8. te0-1-0-6.mpd22.dca01.atlas. 33.3%     3   24.2  23.9  23.6  24.2   0.5
  9. te0-2-0-2.mpd22.jfk02.atlas.  0.0%     3   31.1  30.4  30.0  31.1   0.6
 10. te0-1-0-0.ccr22.jfk02.atlas.  0.0%     3   31.0  31.2  30.3  32.2   1.0
 11. te4-4.ccr01.jfk08.atlas.coge  0.0%     3  179.0 125.9  33.5 179.0  80.3
 12. 38.104.190.54                 0.0%     3   31.5  30.6  30.0  31.5   0.8
 13. dyndns.org                   66.7%     3   32.3  32.3  32.3  32.3   0.0

and still, not good results..

-- 
Paul Cartwright
Registered Linux user # 367800
Registered Ubuntu User #12459
http://usdebtclock.org/