[outages] Congestion between FiOS and ATT & TWCBC around LAX

Mark Milhollan mlm at pixelgate.net
Tue Oct 6 20:07:18 EDT 2015


Anyone seeing congestion in the LAX area reaching Verizon (at least 
FiOS)?  I'm seeing packet loss and large RTT via AT&T (AS 7018) and Time 
Warner Business Class (AS 20001).  I only have pictures of the reverse 
paths but they are showing the same sort of losses and significant jumps 
in hop times as my test results (below).

Sorry, I cannot share the destination used below for others to try.  It 
may be that 98.119.130.224 would also experience the same issue -- it is 
local so I can't quite test it the same way but from outside it usually 
experiences the issue, depending whether the hand-off to Verizon is in 
LAX or elsewhere.

via ATT in LAX:

  [traceroute]
   4  cr2.la2ca.ip.att.net (12.123.132.210)  8.976 ms  6.307 ms  7.540 ms MPLS Label=17011 CoS=0 TTL=255 S=1
   5  gar29.la2ca.ip.att.net (12.122.129.233)  8.172 ms  5.926 ms  7.707 ms
   6  192.205.35.162 (192.205.35.162)  80.756 ms  81.333 ms  101.079 ms
   7  * * *
   8  [destination] (elided)  86.391 ms !<10> * *

   [ping results]
   20 packets transmitted, 15 received, 25% packet loss, time 19165ms
   rtt min/avg/max/mdev = 83.599/85.562/88.746/1.262 ms, pipe 2

via TWCBC in LAX:

  [traceroute]
   4  24.43.181.64 (24.43.181.64)  4.064 ms  4.144 ms  4.037 ms MPLS Label=19040 CoS=0 TTL=255 S=1
   5  agg22.vnnycajz02r.socal.rr.com (72.129.14.168)  3.889 ms  6.123 ms  3.657 ms
   6  agg29.tustcaft01r.socal.rr.com (72.129.13.2)  4.345 ms  5.874 ms  7.576 ms MPLS Label=16000 CoS=0 TTL=1 S=1
   7  bu-ether16.tustca4200w-bcr00.tbone.rr.com (66.109.6.64)  5.721 ms  5.978 ms  7.489 ms
   8  0.ae3.pr0.lax10.tbone.rr.com (66.109.9.26)  4.606 ms 0.ae1.pr0.lax10.tbone.rr.com (66.109.6.131)  5.574 ms 0.ae5.pr0.lax10.tbone.rr.com (107.14.19.121)  4.563 ms
   9  TE-0-2-0-9.GW5.LAX15.ALTER.NET (152.179.21.133)  94.348 ms  94.830 ms  94.319 ms
  10  * * *
  11  [destination] (elided)   89.450 ms !<10>  85.759 ms !<10>  89.075 ms !<10>

   [ping results]
   20 packets transmitted, 18 received, 10% packet loss, time 19181ms
   rtt min/avg/max/mdev = 84.401/86.186/89.484/1.313 ms, pipe 2


/mark



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