[Cerowrt-devel] 3.10.36-1 dev build released

Chuck Anderson cra at WPI.EDU
Sun Apr 6 00:48:23 EDT 2014


On Sat, Apr 05, 2014 at 05:57:44PM -0700, Dave Taht wrote:
> On Sat, Apr 5, 2014 at 5:08 PM, Chuck Anderson <cra at wpi.edu> wrote:
> > And IPv6 over the HE tunnel:
> >
> > root at cerowrt:~# sh betterspeedtest.sh -H netperf6.richb-hanover.com
> > Testing against netperf6.richb-hanover.com while pinging gstatic.com (60 seconds in each direction)
> > ............................................................................
> >  Download:  21.56 Mbps
> >   Latency: (in msec, 77 pings, 0.00% packet loss)
> >       Min: 14.477
> >     10pct: 15.469
> >    Median: 17.646
> >       Avg: 18.906
> >     90pct: 23.540
> >       Max: 36.302
> > ............................................................................
> >    Upload:  5.85 Mbps
> >   Latency: (in msec, 76 pings, 0.00% packet loss)
> >       Min: 14.589
> >     10pct: 15.579
> >    Median: 18.156
> >       Avg: 18.323
> >     90pct: 21.192
> >       Max: 25.282
> 
> That's pretty lame compared to your ipv4 results, but the length of
> the path looks the same... puzzling... How much further (or less far)
> is rich's box (traceroute6 -n netperf6.richb-hanover.com) on ipv6 vs
> ipv4 (traceroute -n )

Without any testing going on:

                             My traceroute  [v0.82]
a (::)                                                 Sun Apr  6 00:35:55 2014
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                       Packets               Pings
 Host                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 2001:470:89c6:3::1                0.0%    25    1.7   1.7   1.4   3.4   0.4
 2. canderson-2.tunnel.tserv4.nyc4.i  0.0%    25   25.3  22.5  20.6  27.6   1.5
 3. ge3-8.core1.nyc4.he.net           0.0%    25   17.2  21.1  16.0  37.6   5.3
 4. 100ge5-1.core1.ash1.he.net        0.0%    25   25.2  25.7  21.4  34.9   3.7
 5. xe-0.equinix.asbnva01.us.bb.gin. 33.3%    25   32.7  25.1  22.2  32.7   2.7
 6. ae-6.r20.asbnva02.us.bb.gin.ntt.  0.0%    25   24.0  27.3  22.5  41.3   5.0
 7. ae-3.r04.atlnga05.us.bb.gin.ntt.  0.0%    25   43.9  40.4  36.7  53.3   4.5
 8. xe-0-1-0-17.r04.atlnga05.us.ce.g  0.0%    25   47.8  41.5  35.7  50.3   4.5
 9. ???
10. 2604:180::65be:a189               0.0%    24   37.7  37.9  35.8  40.1   1.3


                             My traceroute  [v0.82]
a (0.0.0.0)                                            Sun Apr  6 00:37:12 2014
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                       Packets               Pings
 Host                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 172.30.42.65                      0.0%    26    1.5   1.6   1.3   5.7   0.8
 2. ???
 3. te-0-0-0-11-sur02.woburn.ma.bost  0.0%    25   25.1  11.0   8.8  25.1   3.4
 4. be-62-ar01.needham.ma.boston.com  0.0%    25   87.9  65.4  10.4 684.5 168.8
 5. he-2-7-0-0-cr01.newyork.ny.ibone  0.0%    25   15.7  19.9  15.7  27.6   2.9
 6. ???
 7. ae3.nyc32.ip4.tinet.net           0.0%    25   28.6  23.2  16.0  49.7   9.1
 8. xe-4-3-0.atl11.ip4.tinet.net      0.0%    25   50.3  49.3  46.4  66.2   4.7
 9. ramnode-gw.ip4.tinet.net          0.0%    25   47.0  50.9  46.8  58.7   3.8
10. ???
11. 23.226.232.80                     0.0%    25   47.8  48.6  46.8  57.2   2.2


> 
> I have certainly seen bottlenecks, excessive delay, and packet loss on
> he's gateways.
> 
> An "mtr" might be revealing during the test for spotting packet loss
> further on the path.

SQM is now set to 60000/10000.

During the IPv6 test:

                             My traceroute  [v0.82]
a (::)                                                 Sun Apr  6 00:41:12 2014
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                       Packets               Pings
 Host                                Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 2001:470:89c6:3::1                0.0%   138    2.7   1.8   1.2  17.7   1.4
 2. canderson-2.tunnel.tserv4.nyc4.i  0.0%   138   22.9  25.2  20.0  62.9   5.2
 3. ge3-8.core1.nyc4.he.net           0.0%   137   22.5  25.0  16.2 143.6  11.9
 4. 100ge5-1.core1.ash1.he.net        0.0%   137   22.6  29.0  21.2  72.7   7.1
 5. xe-0.equinix.asbnva01.us.bb.gin. 40.1%   137   25.7  31.1  22.4 147.9  16.6
 6. ae-6.r20.asbnva02.us.bb.gin.ntt.  0.0%   137   22.9  29.5  22.1  72.0   8.2
 7. ae-3.r04.atlnga05.us.bb.gin.ntt. 11.7%   137   37.1  41.4  36.2  74.5   5.4
 8. xe-0-1-0-17.r04.atlnga05.us.ce.g  0.0%   137   39.9  43.6  35.8  79.9   6.8
 9. ???
10. 2604:180::65be:a189               0.0%   137   36.6  41.1  36.0  59.8   4.5


root at cerowrt:~# sh betterspeedtest.sh -H netperf6.richb-hanover.com
Testing against netperf6.richb-hanover.com while pinging gstatic.com (60 seconds in each direction)
..........................................................................
 Download:  27.2 Mbps
  Latency: (in msec, 76 pings, 0.00% packet loss)
      Min: 14.666 
    10pct: 15.606 
   Median: 18.254 
      Avg: 21.101 
    90pct: 29.038 
      Max: 55.143
...........................................................................
   Upload:  6.57 Mbps
  Latency: (in msec, 76 pings, 0.00% packet loss)
      Min: 14.753 
    10pct: 15.233 
   Median: 17.599 
      Avg: 17.591 
    90pct: 19.674 
      Max: 24.718

IPv4 test:

root at cerowrt:~# sh betterspeedtest.sh 
Testing against netperf.richb-hanover.com while pinging gstatic.com (60 seconds in each direction)
............................................................
 Download:  46.11 Mbps
  Latency: (in msec, 61 pings, 0.00% packet loss)
      Min: 16.011 
    10pct: 16.463 
   Median: 19.134 
      Avg: 19.743 
    90pct: 22.525 
      Max: 28.650
............................................................
.   Upload:  8.97 Mbps
  Latency: (in msec, 61 pings, 0.00% packet loss)
      Min: 16.214 
    10pct: 16.904 
   Median: 19.154 
      Avg: 19.151 
    90pct: 20.989 
      Max: 22.683

> > On Sat, Apr 05, 2014 at 08:02:37PM -0400, Chuck Anderson wrote:
> >> Here are some betterspeedtest.sh results for 3.10.36-1:
> >>
> >> First, without SQM enabled:
> >>
> >> root at cerowrt:~# sh betterspeedtest.sh
> >> Testing against netperf.richb-hanover.com while pinging gstatic.com (60 seconds in each direction)
> >> ............................................................
> >>  Download:  52.39 Mbps
> >>   Latency: (in msec, 61 pings, 0.00% packet loss)
> >>       Min: 15.281
> >>     10pct: 18.302
> >>    Median: 28.502
> >>       Avg: 32.891
> >>     90pct: 56.776
> >>       Max: 74.282
> >> .............................................................
> >>    Upload:  11.07 Mbps
> >>   Latency: (in msec, 61 pings, 0.00% packet loss)
> >>       Min: 15.341
> >>     10pct: 18.669
> >>    Median: 82.480
> >>       Avg: 126.662
> >>     90pct: 248.102
> >>       Max: 278.644
> >>
> >> And now, with SQM set to 80% up/down numbers from above:
> >>
> >> root at cerowrt:~# sh betterspeedtest.sh
> >> Testing against netperf.richb-hanover.com while pinging gstatic.com (60 seconds in each direction)
> >> ............................................................
> >>  Download:  32.84 Mbps
> >>   Latency: (in msec, 61 pings, 0.00% packet loss)
> >>       Min: 15.623
> >>     10pct: 16.077
> >>    Median: 17.634
> >>       Avg: 17.982
> >>     90pct: 19.653
> >>       Max: 23.272
> >> .............................................................
> >>    Upload:  8.25 Mbps
> >>   Latency: (in msec, 61 pings, 0.00% packet loss)
> >>       Min: 16.001
> >>     10pct: 17.623
> >>    Median: 19.796
> >>       Avg: 19.820
> >>     90pct: 21.716
> >>       Max: 23.228
> >> root at cerowrt:~#
> >>
> >>
> >> On Sat, Apr 05, 2014 at 01:18:51PM -0700, Dave Taht wrote:
> >> > + openwrt merge
> >> > ++ fix for dhcpv6 renew problem
> >> > + actually tested for an hour so far on 5.4ghz, with a us countrycode
> >> > and wpa+psk enabled...
> >> >
> >> > Get it at:
> >> >
> >> > http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.10.36-1/
> >> >
> >> > but: there isn't much other reason to upgrade to this...
> >> >
> >> > - no progress on the wifi bug - but I am beating up wifi with a variety of
> >> > devices and scripts today hoping to make it fail, and bringing up a
> >> > bunch more tomorrow.
> >> >
> >> > - toke's script relies on stratum '16' changing, and it doesn't with openwrt's
> >> > ntp, it seems....



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