[outages] Possible XO/ATT peering issue in Chicago

Mitchell Kuch mitch at basejp.com
Thu Sep 18 12:53:39 EDT 2014


For what it is worth, here is the other direction.

 Host                                      Loss%  Last   Avg  Best  Wrst StDev
 4. cr2.cgcil.ip.att.net                    0.0%   7.8   8.4   6.4  13.7   1.3
 5. gar13.cgcil.ip.att.net                  0.0%   8.5   8.7   6.6  33.6   2.2
 6. 206.111.2.89.ptr.us.xo.net             17.9%  38.0  38.3  37.3  75.4   3.0
 7. 207.88.14.193.ptr.us.xo.net            13.7%  44.7  45.7  43.2  48.8   1.2
 8. ae1d0.mcr1.southfield-mi.us.xo.net     13.7%  44.5  46.5  43.2 104.6   8.2

 - - Mitchell

On Thu, Sep 18, 2014 at 12:34 PM, Bill Wichers via Outages
<outages at outages.org> wrote:
> Is anyone else seeing excessive packet loss between ATT and XO in Chicago?
> We started seeing this this morning, and the problem looks like it might
> actually be within XO’s network in Chicago but I’m not 100% certain. I have
> no info from either carrier as of yet.
>
>
>
> Hop #6 is 216.156.0.185
>
> Hop #9 is 12.122.133.34
>
> Hop #10 in the lower mtr output is 12.122.2.206
>
>
>
> Packets               Pings
>
> Host                                                Loss%  Last   Avg  Best
> Wrst StDev
>
> 5. ae1d0.mcr1.southfield-mi.us.xo.net                0.0%   8.0  10.8   6.6
> 48.9   7.0
>
> 6. vb1730.rar3.chicago-il.us.xo.net                  0.0%   9.8  10.0   6.6
> 14.7   1.4
>
> 7. 207.88.14.194.ptr.us.xo.net                      46.4%   7.9   8.4   6.5
> 44.9   3.7
>
> 8. 206.111.2.90.ptr.us.xo.net                       12.9%  39.5  41.8  38.4
> 60.6   1.9
>
> 9. cr1.cgcil.ip.att.net                             15.5%  49.7  49.6  46.3
> 52.8   1.5
>
> 10. 12.122.99.26                                     17.8%  49.9  48.4  45.0
> 51.5   1.4
>
>
>
> And
>
>
>
> 5. ae1d0.mcr1.southfield-mi.us.xo.net                    0.0%   7.7   9.6
> 6.5  80.1   7.3
>
> 6. vb1730.rar3.chicago-il.us.xo.net                      0.0%  10.4   9.0
> 6.6  11.6   1.3
>
> 7. 207.88.14.194.ptr.us.xo.net                          44.4%   6.6   7.5
> 6.5  32.8   2.9
>
> 8. 206.111.2.90.ptr.us.xo.net                           12.1%  41.5  41.4
> 38.1  64.2   2.1
>
> 9. cr1.cgcil.ip.att.net                                 14.2%  65.4  66.2
> 63.8  76.0   1.5
>
> 10. cr1.cl2oh.ip.att.net                                 15.2%  67.5  67.0
> 64.0 123.6   4.7
>
> 11. cr2.nsvtn.ip.att.net                                 15.2%  69.3  68.6
> 64.3 163.8   9.3
>
>
>
>    -Bill




More information about the Outages mailing list