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SoulWager

@cox.net

[KS] intermittent periods of packet loss/extreme latency

Cable internet, most of the time my connection is just fine, but some evenings(sometimes several times in an evening) I see a period of seconds to minutes long of extremely high latency and packet loss, which makes pretty much everything unusable(ventrillo stalls, I get dropped from games, and even web browsing is maddening):

first couple hops generally look like this:
2 ip68-102-192-1.ks.ok.cox.net (68.102.192.1) 8.144 ms 7.389 ms 8.235 ms
3 70.183.70.37 (70.183.70.37) 8.170 ms 7.984 ms 7.954 ms

or this:
2 ip68-102-192-1.ks.ok.cox.net (68.102.192.1) 8.458 ms 16.684 ms 15.589 ms
3 70.183.70.33 (70.183.70.33) 7.732 ms 7.632 ms 7.839 ms

but then this happens:
quote:
64 bytes from 70.183.70.37: icmp_seq=38552 ttl=62 time=12.400 ms
64 bytes from 70.183.70.37: icmp_seq=38553 ttl=62 time=23.296 ms
64 bytes from 70.183.70.37: icmp_seq=38554 ttl=62 time=12.514 ms
64 bytes from 70.183.70.37: icmp_seq=38555 ttl=62 time=16.682 ms
64 bytes from 70.183.70.37: icmp_seq=38556 ttl=62 time=12.271 ms
64 bytes from 70.183.70.37: icmp_seq=38557 ttl=62 time=12.359 ms
64 bytes from 70.183.70.37: icmp_seq=38558 ttl=62 time=12.290 ms
64 bytes from 70.183.70.37: icmp_seq=38559 ttl=62 time=12.688 ms
64 bytes from 70.183.70.37: icmp_seq=38560 ttl=62 time=38.460 ms
64 bytes from 70.183.70.37: icmp_seq=38561 ttl=62 time=618.885 ms
Request timeout for icmp_seq 38562
64 bytes from 70.183.70.37: icmp_seq=38562 ttl=62 time=1332.300 ms
64 bytes from 70.183.70.37: icmp_seq=38563 ttl=62 time=1682.933 ms
Request timeout for icmp_seq 38565
64 bytes from 70.183.70.37: icmp_seq=38565 ttl=62 time=1667.924 ms
Request timeout for icmp_seq 38567
Request timeout for icmp_seq 38568
Request timeout for icmp_seq 38569
64 bytes from 70.183.70.37: icmp_seq=38569 ttl=62 time=1669.174 ms
64 bytes from 70.183.70.37: icmp_seq=38570 ttl=62 time=1669.677 ms
64 bytes from 70.183.70.37: icmp_seq=38571 ttl=62 time=1669.389 ms
Request timeout for icmp_seq 38573
64 bytes from 70.183.70.37: icmp_seq=38573 ttl=62 time=1670.834 ms
64 bytes from 70.183.70.37: icmp_seq=38574 ttl=62 time=1671.024 ms
Request timeout for icmp_seq 38576
Request timeout for icmp_seq 38577
64 bytes from 70.183.70.37: icmp_seq=38577 ttl=62 time=1667.184 ms
Request timeout for icmp_seq 38579
64 bytes from 70.183.70.37: icmp_seq=38579 ttl=62 time=1675.002 ms
64 bytes from 70.183.70.37: icmp_seq=38580 ttl=62 time=1675.310 ms
64 bytes from 70.183.70.37: icmp_seq=38581 ttl=62 time=1674.645 ms
Request timeout for icmp_seq 38583
Request timeout for icmp_seq 38584
64 bytes from 70.183.70.37: icmp_seq=38584 ttl=62 time=1672.529 ms
Request timeout for icmp_seq 38586
Request timeout for icmp_seq 38587
64 bytes from 70.183.70.37: icmp_seq=38587 ttl=62 time=1677.082 ms
Request timeout for icmp_seq 38589
64 bytes from 70.183.70.37: icmp_seq=38589 ttl=62 time=1674.692 ms
Request timeout for icmp_seq 38591
Request timeout for icmp_seq 38592
Request timeout for icmp_seq 38593
Request timeout for icmp_seq 38594
Request timeout for icmp_seq 38595
64 bytes from 70.183.70.37: icmp_seq=38595 ttl=62 time=1674.503 ms
64 bytes from 70.183.70.37: icmp_seq=38596 ttl=62 time=1674.208 ms
64 bytes from 70.183.70.37: icmp_seq=38597 ttl=62 time=1674.315 ms
64 bytes from 70.183.70.37: icmp_seq=38598 ttl=62 time=1672.721 ms
64 bytes from 70.183.70.37: icmp_seq=38599 ttl=62 time=1672.791 ms
64 bytes from 70.183.70.37: icmp_seq=38600 ttl=62 time=1672.213 ms
64 bytes from 70.183.70.37: icmp_seq=38601 ttl=62 time=1672.927 ms
64 bytes from 70.183.70.37: icmp_seq=38602 ttl=62 time=1671.233 ms
64 bytes from 70.183.70.37: icmp_seq=38603 ttl=62 time=1672.218 ms
64 bytes from 70.183.70.37: icmp_seq=38604 ttl=62 time=1701.556 ms
64 bytes from 70.183.70.37: icmp_seq=38605 ttl=62 time=1672.595 ms
64 bytes from 70.183.70.37: icmp_seq=38606 ttl=62 time=1673.138 ms
64 bytes from 70.183.70.37: icmp_seq=38607 ttl=62 time=1670.589 ms
64 bytes from 70.183.70.37: icmp_seq=38608 ttl=62 time=1668.212 ms
64 bytes from 70.183.70.37: icmp_seq=38609 ttl=62 time=1658.344 ms
64 bytes from 70.183.70.37: icmp_seq=38610 ttl=62 time=1567.158 ms
64 bytes from 70.183.70.37: icmp_seq=38611 ttl=62 time=1620.998 ms
64 bytes from 70.183.70.37: icmp_seq=38612 ttl=62 time=1459.640 ms
64 bytes from 70.183.70.37: icmp_seq=38613 ttl=62 time=1323.326 ms
64 bytes from 70.183.70.37: icmp_seq=38614 ttl=62 time=1171.653 ms
64 bytes from 70.183.70.37: icmp_seq=38615 ttl=62 time=1047.290 ms
64 bytes from 70.183.70.37: icmp_seq=38616 ttl=62 time=894.766 ms
64 bytes from 70.183.70.37: icmp_seq=38617 ttl=62 time=556.817 ms
64 bytes from 70.183.70.37: icmp_seq=38618 ttl=62 time=409.376 ms
64 bytes from 70.183.70.37: icmp_seq=38619 ttl=62 time=115.268 ms
64 bytes from 70.183.70.37: icmp_seq=38620 ttl=62 time=81.191 ms
64 bytes from 70.183.70.37: icmp_seq=38621 ttl=62 time=30.736 ms
64 bytes from 70.183.70.37: icmp_seq=38622 ttl=62 time=89.927 ms
64 bytes from 70.183.70.37: icmp_seq=38623 ttl=62 time=147.728 ms
64 bytes from 70.183.70.37: icmp_seq=38624 ttl=62 time=309.239 ms
64 bytes from 70.183.70.37: icmp_seq=38625 ttl=62 time=472.872 ms
64 bytes from 70.183.70.37: icmp_seq=38626 ttl=62 time=185.352 ms
64 bytes from 70.183.70.37: icmp_seq=38627 ttl=62 time=358.587 ms
64 bytes from 70.183.70.37: icmp_seq=38628 ttl=62 time=63.553 ms
64 bytes from 70.183.70.37: icmp_seq=38629 ttl=62 time=142.868 ms
64 bytes from 70.183.70.37: icmp_seq=38630 ttl=62 time=145.813 ms
64 bytes from 70.183.70.37: icmp_seq=38631 ttl=62 time=159.585 ms
64 bytes from 70.183.70.37: icmp_seq=38632 ttl=62 time=743.500 ms
64 bytes from 70.183.70.37: icmp_seq=38633 ttl=62 time=877.723 ms
64 bytes from 70.183.70.37: icmp_seq=38634 ttl=62 time=960.285 ms
64 bytes from 70.183.70.37: icmp_seq=38635 ttl=62 time=654.430 ms
64 bytes from 70.183.70.37: icmp_seq=38636 ttl=62 time=751.185 ms
64 bytes from 70.183.70.37: icmp_seq=38637 ttl=62 time=1077.301 ms
64 bytes from 70.183.70.37: icmp_seq=38638 ttl=62 time=582.302 ms
64 bytes from 70.183.70.37: icmp_seq=38639 ttl=62 time=508.757 ms
64 bytes from 70.183.70.37: icmp_seq=38640 ttl=62 time=420.789 ms
64 bytes from 70.183.70.37: icmp_seq=38641 ttl=62 time=359.837 ms
64 bytes from 70.183.70.37: icmp_seq=38642 ttl=62 time=313.247 ms
64 bytes from 70.183.70.37: icmp_seq=38643 ttl=62 time=258.646 ms
64 bytes from 70.183.70.37: icmp_seq=38644 ttl=62 time=209.920 ms
64 bytes from 70.183.70.37: icmp_seq=38645 ttl=62 time=16.625 ms
64 bytes from 70.183.70.37: icmp_seq=38646 ttl=62 time=11.128 ms
64 bytes from 70.183.70.37: icmp_seq=38647 ttl=62 time=34.391 ms
64 bytes from 70.183.70.37: icmp_seq=38648 ttl=62 time=110.621 ms
64 bytes from 70.183.70.37: icmp_seq=38649 ttl=62 time=93.952 ms
64 bytes from 70.183.70.37: icmp_seq=38650 ttl=62 time=102.966 ms
64 bytes from 70.183.70.37: icmp_seq=38651 ttl=62 time=180.159 ms
64 bytes from 70.183.70.37: icmp_seq=38652 ttl=62 time=121.197 ms
64 bytes from 70.183.70.37: icmp_seq=38653 ttl=62 time=94.893 ms
64 bytes from 70.183.70.37: icmp_seq=38654 ttl=62 time=245.603 ms
64 bytes from 70.183.70.37: icmp_seq=38655 ttl=62 time=172.768 ms
64 bytes from 70.183.70.37: icmp_seq=38656 ttl=62 time=19.120 ms
64 bytes from 70.183.70.37: icmp_seq=38657 ttl=62 time=253.682 ms
64 bytes from 70.183.70.37: icmp_seq=38658 ttl=62 time=297.103 ms
64 bytes from 70.183.70.37: icmp_seq=38659 ttl=62 time=249.524 ms
64 bytes from 70.183.70.37: icmp_seq=38660 ttl=62 time=350.189 ms
64 bytes from 70.183.70.37: icmp_seq=38661 ttl=62 time=118.337 ms
64 bytes from 70.183.70.37: icmp_seq=38662 ttl=62 time=136.078 ms
64 bytes from 70.183.70.37: icmp_seq=38663 ttl=62 time=193.753 ms
64 bytes from 70.183.70.37: icmp_seq=38664 ttl=62 time=145.638 ms
64 bytes from 70.183.70.37: icmp_seq=38665 ttl=62 time=115.763 ms
64 bytes from 70.183.70.37: icmp_seq=38666 ttl=62 time=12.717 ms
64 bytes from 70.183.70.37: icmp_seq=38667 ttl=62 time=15.888 ms
64 bytes from 70.183.70.37: icmp_seq=38668 ttl=62 time=18.645 ms
64 bytes from 70.183.70.37: icmp_seq=38669 ttl=62 time=12.794 ms
64 bytes from 70.183.70.37: icmp_seq=38670 ttl=62 time=25.245 ms
64 bytes from 70.183.70.37: icmp_seq=38671 ttl=62 time=19.600 ms
64 bytes from 70.183.70.37: icmp_seq=38672 ttl=62 time=172.412 ms
64 bytes from 70.183.70.37: icmp_seq=38673 ttl=62 time=510.726 ms
64 bytes from 70.183.70.37: icmp_seq=38674 ttl=62 time=428.953 ms
64 bytes from 70.183.70.37: icmp_seq=38675 ttl=62 time=321.484 ms
64 bytes from 70.183.70.37: icmp_seq=38676 ttl=62 time=15.232 ms
64 bytes from 70.183.70.37: icmp_seq=38677 ttl=62 time=12.585 ms
64 bytes from 70.183.70.37: icmp_seq=38678 ttl=62 time=25.790 ms
64 bytes from 70.183.70.37: icmp_seq=38679 ttl=62 time=12.813 ms
64 bytes from 70.183.70.37: icmp_seq=38680 ttl=62 time=176.917 ms
64 bytes from 70.183.70.37: icmp_seq=38681 ttl=62 time=248.071 ms
64 bytes from 70.183.70.37: icmp_seq=38682 ttl=62 time=466.413 ms
64 bytes from 70.183.70.37: icmp_seq=38683 ttl=62 time=467.410 ms
64 bytes from 70.183.70.37: icmp_seq=38684 ttl=62 time=391.645 ms
64 bytes from 70.183.70.37: icmp_seq=38685 ttl=62 time=307.757 ms
64 bytes from 70.183.70.37: icmp_seq=38686 ttl=62 time=249.784 ms
64 bytes from 70.183.70.37: icmp_seq=38687 ttl=62 time=211.733 ms
64 bytes from 70.183.70.37: icmp_seq=38688 ttl=62 time=200.292 ms
64 bytes from 70.183.70.37: icmp_seq=38689 ttl=62 time=10.620 ms
64 bytes from 70.183.70.37: icmp_seq=38690 ttl=62 time=25.341 ms
64 bytes from 70.183.70.37: icmp_seq=38691 ttl=62 time=199.580 ms
64 bytes from 70.183.70.37: icmp_seq=38692 ttl=62 time=183.745 ms
64 bytes from 70.183.70.37: icmp_seq=38693 ttl=62 time=38.464 ms
64 bytes from 70.183.70.37: icmp_seq=38694 ttl=62 time=16.808 ms
64 bytes from 70.183.70.37: icmp_seq=38695 ttl=62 time=70.997 ms
64 bytes from 70.183.70.37: icmp_seq=38696 ttl=62 time=153.163 ms
64 bytes from 70.183.70.37: icmp_seq=38697 ttl=62 time=27.159 ms
64 bytes from 70.183.70.37: icmp_seq=38698 ttl=62 time=81.888 ms
64 bytes from 70.183.70.37: icmp_seq=38699 ttl=62 time=79.681 ms
64 bytes from 70.183.70.37: icmp_seq=38700 ttl=62 time=773.181 ms
64 bytes from 70.183.70.37: icmp_seq=38701 ttl=62 time=1432.946 ms
64 bytes from 70.183.70.37: icmp_seq=38702 ttl=62 time=1673.489 ms
64 bytes from 70.183.70.37: icmp_seq=38703 ttl=62 time=1674.872 ms
64 bytes from 70.183.70.37: icmp_seq=38704 ttl=62 time=1673.157 ms
64 bytes from 70.183.70.37: icmp_seq=38705 ttl=62 time=1673.323 ms
64 bytes from 70.183.70.37: icmp_seq=38706 ttl=62 time=1673.497 ms
Request timeout for icmp_seq 38708
64 bytes from 70.183.70.37: icmp_seq=38708 ttl=62 time=1672.548 ms
64 bytes from 70.183.70.37: icmp_seq=38709 ttl=62 time=1675.189 ms
64 bytes from 70.183.70.37: icmp_seq=38710 ttl=62 time=1674.349 ms
Request timeout for icmp_seq 38712
64 bytes from 70.183.70.37: icmp_seq=38712 ttl=62 time=1669.513 ms
Request timeout for icmp_seq 38714
Request timeout for icmp_seq 38715
64 bytes from 70.183.70.37: icmp_seq=38715 ttl=62 time=1674.797 ms
64 bytes from 70.183.70.37: icmp_seq=38716 ttl=62 time=1670.570 ms
64 bytes from 70.183.70.37: icmp_seq=38717 ttl=62 time=1671.943 ms
Request timeout for icmp_seq 38719
64 bytes from 70.183.70.37: icmp_seq=38719 ttl=62 time=1667.008 ms
64 bytes from 70.183.70.37: icmp_seq=38720 ttl=62 time=1658.650 ms
64 bytes from 70.183.70.37: icmp_seq=38721 ttl=62 time=1502.293 ms
64 bytes from 70.183.70.37: icmp_seq=38722 ttl=62 time=529.546 ms
64 bytes from 70.183.70.37: icmp_seq=38723 ttl=62 time=12.312 ms
64 bytes from 70.183.70.37: icmp_seq=38724 ttl=62 time=26.622 ms
64 bytes from 70.183.70.37: icmp_seq=38725 ttl=62 time=11.179 ms
64 bytes from 70.183.70.37: icmp_seq=38726 ttl=62 time=9.217 ms
64 bytes from 70.183.70.37: icmp_seq=38727 ttl=62 time=9.622 ms
64 bytes from 70.183.70.37: icmp_seq=38728 ttl=62 time=11.303 ms
64 bytes from 70.183.70.37: icmp_seq=38729 ttl=62 time=31.323 ms
64 bytes from 70.183.70.37: icmp_seq=38730 ttl=62 time=16.563 ms
64 bytes from 70.183.70.37: icmp_seq=38731 ttl=62 time=42.468 ms
64 bytes from 70.183.70.37: icmp_seq=38732 ttl=62 time=30.849 ms
64 bytes from 70.183.70.37: icmp_seq=38733 ttl=62 time=55.615 ms
64 bytes from 70.183.70.37: icmp_seq=38734 ttl=62 time=13.812 ms
64 bytes from 70.183.70.37: icmp_seq=38735 ttl=62 time=16.434 ms
64 bytes from 70.183.70.37: icmp_seq=38736 ttl=62 time=16.668 ms
64 bytes from 70.183.70.37: icmp_seq=38737 ttl=62 time=22.493 ms
64 bytes from 70.183.70.37: icmp_seq=38738 ttl=62 time=9.384 ms
64 bytes from 70.183.70.37: icmp_seq=38739 ttl=62 time=46.840 ms

during one of these events the pings look virtually identical for 70.183.70.33:

--- 70.183.70.33 ping statistics ---
87 packets transmitted, 82 packets received, 5.7% packet loss
round-trip min/avg/max/stddev = 8.429/275.368/1685.454/474.563 ms

but not for 68.102.192.1
--- 68.102.192.1 ping statistics ---
87 packets transmitted, 86 packets received, 1.1% packet loss
round-trip min/avg/max/stddev = 8.193/20.565/54.927/9.884 ms

Which leads me to believe it's a problem at 68.102.192.1

Is there any specific thing I can tell my ISP that will get them to fix this? I've already sent them all this information, but they haven't done anything.

(and as for the part of the network I control, the latency to my modem is a solid 2 ms)


SoulWager

@cox.net
Any ideas on what would cause this type of problem? I think it might be either upstream saturation, or a processing problem in the router.


ikyuaoki

join:2011-04-12
Wichita, KS
reply to SoulWager
try pull your router off and put your computer on a directly connection to the cable modem and just let pinging a plenty of time and post what's your results on the direct connection?


SoulWager

@cox.net
The issue persists with the router removed, and after a modem reset. Removing the router cuts about 1 ms from the average latency, and if it were a problem on my side of the modem i'd have fixed it myself.

I don't think it's a signal issue either, it's a routing issue.
Downstream Value
Frequency 843000000 Hz
Signal To Noise Ratio 39.1 dB
Power Level 5.1 dBmV

Upstream Value
Channel ID 6
Frequency 36000000 Hz
Power 43.7 dBmV


razzorr

join:2002-01-31
Fort Smith, AR
reply to SoulWager
We have been having trouble in Fort Smith Arkansas also. About 2 weeks before Dec 31st and on Dec 31st. Also Jan 5th and 6th. The Internet and Phone went down.
They sent a guy out Jan 6th because they did not like my modem signals. Tuned out to be the splitter the installer left in place back when I had Dish. I never had a problem with the Internet or phone except when there was an area outage. They did like like it.
Was also able to get my DVR fixed. It was not getting all the channels like it should. The modem something about it not having the right set of numbers or something close to that.

Natedizel

join:2012-01-08
Pawtucket, RI
reply to SoulWager
Ya sometimes its your internet provider and they just don't want to admit it.

im in the same boat as you man.


No_Strings
Premium,MVM,Ex-Mod 2008-13
join:2001-11-22
The OC
kudos:6
reply to SoulWager
Continued here: »[KS] Intermittent packet loss..