[outages] Fwd: cocmast packetloss and high latency

Curtis Doty Curtis at greenkey.net
Mon Nov 6 13:58:20 EST 2017


Here's what it looks like from the inside. Both v4 and v6 affected with
some peers.

$ sudo mtr -4webz facebook.com
Start: 2017-11-06T10:52:14-0800
  1. AS???    ....
 0.0%    10    1.4   2.0   1.4   4.6   1.0
  2. AS7922   96.120.14.185
  0.0%    10   15.3  14.1  10.5  28.1   5.6
  3. AS7922   ae-211-sur01.toyon.ca.ccal.comcast.net (68.85.104.205)
 0.0%    10   11.8  12.5  10.4  15.6   1.5
  4. AS7922   ae-33-ar01.fresno.ca.ccal.comcast.net (68.87.200.5)
  0.0%    10   15.2  16.3  14.9  20.4   1.7
  5. AS7922   be-33667-cr02.losangeles.ca.ibone.comcast.net (68.86.93.37)
  0.0%    10   23.6  23.9  22.3  28.4   2.2
  6. AS7922   be-11015-cr02.sunnyvale.ca.ibone.comcast.net (68.86.86.97)
 0.0%    10   24.0  25.5  22.9  30.5   2.5
  7. AS7922   be-11025-cr01.9greatoaks.ca.ibone.comcast.net (68.86.87.158)
 0.0%    10   24.7  26.1  24.6  28.4   1.4
  8. AS7922   be-12578-pe04.9greatoaks.ca.ibone.comcast.net (68.86.88.18)
  0.0%    10   23.5  23.5  22.7  25.8   0.9
  9. AS???    ???
 100.0    10    0.0   0.0   0.0   0.0   0.0
 10. AS???    ???
 100.0    10    0.0   0.0   0.0   0.0   0.0
 11. AS32934  po221.psw03.sjc2.tfbnw.net (74.119.79.93)
 30.0%    10  215.9 221.9 213.5 244.9  10.7
 12. AS32934  173.252.67.135
50.0%    10  219.0 217.9 207.8 228.1   7.3
 13. AS32934  edge-star-mini-shv-01-sjc2.facebook.com (31.13.77.36)
 70.0%    10  221.1 218.1 213.6 221.1   3.9

$ sudo mtr -6webz facebook.com
Start: 2017-11-06T10:52:48-0800
  1. AS7922   2601:205:......
                  0.0%    10   96.2  11.0   1.3  96.2  29.9
  2. AS7922   2001:558:4010:11::1
                  0.0%    10   12.3  12.0  11.1  13.3   0.7
  3. AS7922   xe-11-1-0-sur01.toyon.ca.ccal.comcast.net
(2001:558:1a2:9800::1)               0.0%    10   10.9  11.7  10.3  15.9
 1.6
  4. AS7922   ae-34-ar01.sacramento.ca.ccal.comcast.net
(2001:558:210:f1::1)                 0.0%    10   15.0  20.3  13.2  65.0
15.8
  5. AS7922   be-33667-cr01.9greatoaks.ca.ibone.comcast.net
(2001:558:0:f746::1)             0.0%    10   17.5  18.3  17.4  19.3   0.7
  6. AS7922   be-12578-pe04.9greatoaks.ca.ibone.comcast.net
(2001:558:0:f604::2)             0.0%    10   22.3  19.0  16.1  23.1   2.3
  7. AS7922   2001:559::10a6
                60.0%    10  221.4 214.0 204.7 221.4   7.0
  8. AS???    ???
                 100.0    10    0.0   0.0   0.0   0.0   0.0
  9. AS32934  po231.psw01.sjc2.tfbnw.net (2620:0:1cff:dead:beef::e5f)
                 40.0%    10  205.2 206.1 201.5 221.9   7.9
 10. AS32934  po1.msw1al.01.sjc2.tfbnw.net (2a03:2880:f022:ffff::17)
                70.0%    10  201.4 205.9 201.4 212.2   5.6
 11. AS32934  edge-star-mini6-shv-01-sjc2.facebook.com
(2a03:2880:f122:83:face:b00c::25de)  40.0%    10  202.5 204.6 197.3 211.8
 4.7

../C

On Mon, Nov 6, 2017 at 10:39 AM, Donn Lasher via Outages <
outages at outages.org> wrote:

> It’s not just Comcast. Seeing Level3 affected sites/customers as well.
>
>
>
> On 11/6/17, 10:38 AM, "jstefanik Outages via Outages" <outages at outages.org>
> wrote:
>
>     EXTERNAL MAIL: outages-bounces at outages.org
>
>     Meant to send this to the whole list. Sorry!
>
>     > I’m seeing a few reports via Twitter that Level3 is having issues.
> DownDetector shows a massive number of sites with high latency on their
> home page as well. Our Comcast link in Hartford, CT is going nowhere. Pings
> are off the charts and packet loss is quite high.
>     >
>     > Jim
>     >
>     > Sent from my iPhone 7 Plus
>     >
>     > On 6 Nov 2017, at 13:25, Nate Schmoll via Outages <
> outages at outages.org> wrote:
>     >
>     >>> anyone else is seeing lots of packet loss and 100ms+ latency
> mostly in east coast on comcast network?
>     >>
>     >> Experiencing the same thing here in Everett, WA, US.
>     >>
>     >> ~Nate
>     >> _______________________________________________
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