Level 3 Boston (Comcast NY) handoff packet loss since 11AM EST

Robert E. Seastrom rs at seastrom.com
Sat Jun 21 14:41:23 CDT 2008


Your problem looks very local to me (as in, between you and your CMTS).
Have you checked with your neighbors to see if they are having problems too?

Also, please don't send PNG attachments to mailing lists.  We are all
capable of reading ascii.

-r

<ekagan at axsne.com> writes:

> I had just reset the MTR counters, sorry.  I have been getting bounced
> out of apps all day.  Here is an MTR running for the last 30 minutes.
> Smokeping is also showing 4.37 avg loss, 44.41 max loss and 9.53 current
> loss (png attached if it goes through ?)
>
> Thanks
> Eric
>
>  
> Packets               Pings
> Hostname
> %Loss  Rcv  Snt  Last Best  Avg  Worst
>  1. 192.168.100.5
> 0% 1355 1355     1    0    0      7
>  2. c-3-0-ubr04.brockton.ma.boston.comcast.net
> 9% 1245 1355     9    5   11    405
>  3. ge-2-40-ur01.brockton.ma.boston.comcast.net
> 9% 1241 1355    11    5   12    803
>  4. 68.85.162.73
> 9% 1240 1355   211    7   14    741
>  5. 68.85.162.58
> 9% 1238 1355   146   10   16    678
>  6. 68.85.162.57
> 10% 1233 1355    84   10   16    615
>  7. te-0-10-0-5-cr01.newyork.ny.ibone.comcast.net
> 9% 1235 1355    55   43   50    589
>  8. xe-11-1-0.edge1.NewYork2.Level3.net
> 9% 1238 1355    92   43   54    986
>  9. vlan69.csw1.NewYork1.Level3.net
> 9% 1240 1355    47   44   55    921
> 10. ae-61-61.ebr1.NewYork1.Level3.net
> 9% 1237 1355    53   44   56    870
> 11. ae-1-8.bar2.Boston1.Level3.net
> 37%  862 1355   609   48   60    609
> 12. ae-0-11.bar1.Boston1.Level3.net
> 9% 1238 1355    51   48   60    734
> 13. ae-7-7.car1.Boston1.Level3.net
> 9% 1239 1355   484   48   63    671
> 14. 63.211.175.26
> 8% 1246 1354   420   49   66    607
> 15. border7.ge6-2-bbnet2.bsn.pnap.net
> 8% 1248 1354   355   49   64    550
> 16. host-4-64-203-66.axsne.net
> 9% 1240 1354   290   51   59    488
>
>
> Eric
>
>
>
>> -----Original Message-----
>> From: Robert E. Seastrom [mailto:rs at seastrom.com] 
>> Sent: Saturday, June 21, 2008 3:31 PM
>> To: Eric Kagan
>> Cc: outages at isotf.org; nanog at merit.edu
>> Subject: Re: Level 3 Boston (Comcast NY) handoff packet loss 
>> since 11AM EST
>> 
>> 
>> You'll notice that there is no loss beyond that router, only 
>> at that router.
>> 
>> Routers are in the business of routing packets, not of responding to
>> mtr, traceroute, ping, etc.  More detailed clue is at
>> http://www.broadbandreports.com/faq/toolquestion/Packet_Loss_T
>> est__Line_Quality_#14068
>> 
>> I do not see a problem here, and neither will Comcast or Level(3).
>> 
>> What made you think there was an issue in the first place?
>> 
>> -r
>> 
>> 
>> <ekagan at axsne.com> writes:
>> 
>> > FYI In case someone can get this to a clue-ful individual.  
>> There was
>> > been severe packet loss at Hop 11 below since 11AM EST this morning
>> > leaving Comcast Mass network out through Level 3 NY/Boston. 
>> >
>> > I tried to report to Comcast (Request Summary: ID:  
>> 6863600) and was met
>> > with less than pleasant clue.  So much for being a good net'izen.  I
>> > agreed my "connection" was fine, but past that there was an 
>> issue.  If
>> > there is actually a way to report to Comcast NOC, please advise.
>> >
>> > I've also reported to Internap from my side so they can 
>> investigate as
>> > well.
>> >
>> > Thanks
>> > Eric
>> >
>> >  
>> > Packets               Pings
>> > Hostname
>> > %Loss  Rcv  Snt  Last Best  Avg  Worst
>> >  1. 192.168.100.5
>> > 0%   47   47     0    0    0      1
>> >  2. c-3-0-ubr04.brockton.ma.boston.comcast.net
>> > 0%   47   47     7    6    8     16
>> >  3. ge-2-40-ur01.brockton.ma.boston.comcast.net
>> > 0%   47   47     7    6    8     13
>> >  4. 68.85.162.73
>> > 0%   47   47    10    8   10     16
>> >  5. 68.85.162.58
>> > 0%   47   47    15   11   13     32
>> >  6. 68.85.162.57
>> > 0%   47   47    14   11   13     19
>> >  7. te-0-10-0-5-cr01.newyork.ny.ibone.comcast.net
>> > 0%   46   46    46   45   46     53
>> >  8. xe-11-1-0.edge1.NewYork2.Level3.net
>> > 0%   46   46    45   44   52    175
>> >  9. vlan69.csw1.NewYork1.Level3.net
>> > 0%   46   46    52   44   52     60
>> > 10. ae-61-61.ebr1.NewYork1.Level3.net
>> > 0%   46   46    45   45   51     60
>> > 11. ae-1-8.bar2.Boston1.Level3.net
>> > 50%   23   46    51   49   54    104
>> > 12. ae-0-11.bar1.Boston1.Level3.net
>> > 0%   46   46   118   49   58    174
>> > 13. ae-7-7.car1.Boston1.Level3.net
>> > 0%   46   46    50   49   52     67
>> > 14. 63.211.175.26
>> > 0%   46   46    53   49   60    215
>> > 15. border7.ge6-2-bbnet2.bsn.pnap.net
>> > 0%   46   46   154   50   60    187
>> > 16. host-4-64-203-66.axsne.net
>> > 0%   46   46    52   51   54     93
>> >
>> >
>> > Packets: Sent = 240, Received = 230, Lost = 10 (4% loss),
>> >
>> > Packets: Sent = 54, Received = 49, Lost = 5 (9% loss),
>> > Minimum = 54ms, Maximum =  227ms, Average =  62ms
>> >
>> >  
>> > Eric Kagan
>> > Access Northeast
>> > 24 x 7 NOC: 508-281-7600 x4
>> 




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