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Forums › 2degrees (including Slingshot, Orcon, Flip, Stuff Fibre, MyRepublic, 2talk and Vocus) › 2DE upload speed dropped from 500Mbit to 50Mbit
olivernz

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#318482 22-Jan-2025 14:33
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Hi all

 

This is relevant to anyone on here that is in the tech department for 2degrees (and I can give you the fault # in a PM).

 

So this happened....

 

 

On last Thursday I went from a 100/300 plan to a 500/900. And all was fine until Somewhere between Sunday 1:30AM and Monday 1:30AM (gap between daily tests is 24hrs). The Download was excellent but the upload went to 1/10th of what it should be. I made no internal changes.

 

So after 2 calls and about 3hrs on the phone to service desk (who were technically quite capable and eventually reached the end of what they could do) this is now a service call. Here some details of what I did and what I see:

 

I have tested from a PC in my network, from the UDM Pro edge router device and from a laptop directly connected to the ONT (instead of the router). All show the same behaviour. I have exchanged and re-seated all cables and restarted all devices in several different sequences.

 

Excerpt of results:

 

Tested by Cloudflare:

 

Test by Fast.com

 

 

And Test by Speedtest.net (CLI) directly on router

 

 

 

./speedtest -s 5749 
   Speedtest by Ookla

      Server: 2degrees - Auckland (id: 5749)
         ISP: 2degrees
Idle Latency:     9.47 ms   (jitter: 0.15ms, low: 9.41ms, high: 9.62ms)
    Download:   930.76 Mbps (data used: 1.3 GB)                                
                 11.71 ms   (jitter: 6.42ms, low: 9.43ms, high: 246.81ms)
      Upload:    30.48 Mbps (data used: 40.6 MB)                                
                  9.53 ms   (jitter: 2.21ms, low: 9.40ms, high: 236.63ms)
 Packet Loss:     0.0%
  Result URL: https://www.speedtest.net/result/c/b42105ec-5280-47fb-945d-dd9ba1cae6ae   ------------------------------------------------------------------------------------ Now the interesting bit is.... The chorus line test tool uses iperf to test the connection and that shows an excellent connection!  

 

iperf3 -c akl4.linetest.nz -V -p 5001 -P 10 -t 20 -R
iperf 3.16
Linux UDMPRO 4.19.152-ui-alpine #4.19.152 SMP Tue Dec 24 22:57:14 CST 2024 aarch64
Control connection MSS 1448
Time: Wed, 22 Jan 2025 00:56:09 GMT
Connecting to host akl4.linetest.nz, port 5001
Reverse mode, remote host akl4.linetest.nz is sending
      Cookie: t3p5hdkqt6ga7isyat3lovr3jhmzx62dizie
      TCP MSS: 1448 (default)
[  5] local 163.47.223.125 port 52298 connected to 60.234.3.9 port 5001
[  7] local 163.47.223.125 port 52300 connected to 60.234.3.9 port 5001
[  9] local 163.47.223.125 port 52302 connected to 60.234.3.9 port 5001
[ 11] local 163.47.223.125 port 52304 connected to 60.234.3.9 port 5001
[ 13] local 163.47.223.125 port 52306 connected to 60.234.3.9 port 5001
[ 15] local 163.47.223.125 port 52308 connected to 60.234.3.9 port 5001
[ 17] local 163.47.223.125 port 52310 connected to 60.234.3.9 port 5001
[ 19] local 163.47.223.125 port 52312 connected to 60.234.3.9 port 5001
[ 21] local 163.47.223.125 port 52314 connected to 60.234.3.9 port 5001
[ 23] local 163.47.223.125 port 52316 connected to 60.234.3.9 port 5001
Starting Test: protocol: TCP, 10 streams, 131072 byte blocks, omitting 0 seconds, 20 second test, tos 0
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  16.5 MBytes   138 Mbits/sec
[  7]   0.00-1.00   sec  17.8 MBytes   149 Mbits/sec
[  9]   0.00-1.00   sec  13.4 MBytes   112 Mbits/sec
[ 11]   0.00-1.00   sec  12.1 MBytes   102 Mbits/sec
[ 13]   0.00-1.00   sec  9.75 MBytes  81.7 Mbits/sec
[ 15]   0.00-1.00   sec  8.75 MBytes  73.3 Mbits/sec
[ 17]   0.00-1.00   sec  10.1 MBytes  84.8 Mbits/sec
[ 19]   0.00-1.00   sec  8.12 MBytes  68.1 Mbits/sec
[ 21]   0.00-1.00   sec  6.88 MBytes  57.6 Mbits/sec
[ 23]   0.00-1.00   sec  4.75 MBytes  39.8 Mbits/sec
[SUM]   0.00-1.00   sec   108 MBytes   906 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   1.00-2.00   sec  10.6 MBytes  89.1 Mbits/sec
[  7]   1.00-2.00   sec  18.9 MBytes   158 Mbits/sec
[  9]   1.00-2.00   sec  12.4 MBytes   104 Mbits/sec
[ 11]   1.00-2.00   sec  8.38 MBytes  70.3 Mbits/sec
[ 13]   1.00-2.00   sec  7.25 MBytes  60.8 Mbits/sec
[ 15]   1.00-2.00   sec  9.62 MBytes  80.7 Mbits/sec
[ 17]   1.00-2.00   sec  15.1 MBytes   127 Mbits/sec
[ 19]   1.00-2.00   sec  15.1 MBytes   127 Mbits/sec
[ 21]   1.00-2.00   sec  9.25 MBytes  77.6 Mbits/sec
[ 23]   1.00-2.00   sec  5.12 MBytes  43.0 Mbits/sec
[SUM]   1.00-2.00   sec   112 MBytes   937 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   2.00-3.00   sec  8.88 MBytes  74.5 Mbits/sec
[  7]   2.00-3.00   sec  17.4 MBytes   146 Mbits/sec
[  9]   2.00-3.00   sec  11.4 MBytes  95.5 Mbits/sec
[ 11]   2.00-3.00   sec  9.12 MBytes  76.6 Mbits/sec
[ 13]   2.00-3.00   sec  10.0 MBytes  83.9 Mbits/sec
[ 15]   2.00-3.00   sec  6.50 MBytes  54.5 Mbits/sec
[ 17]   2.00-3.00   sec  16.0 MBytes   134 Mbits/sec
[ 19]   2.00-3.00   sec  13.1 MBytes   110 Mbits/sec
[ 21]   2.00-3.00   sec  9.62 MBytes  80.7 Mbits/sec
[ 23]   2.00-3.00   sec  8.62 MBytes  72.4 Mbits/sec
[SUM]   2.00-3.00   sec   111 MBytes   928 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   3.00-4.00   sec  7.12 MBytes  59.7 Mbits/sec
[  7]   3.00-4.00   sec  18.8 MBytes   157 Mbits/sec
[  9]   3.00-4.00   sec  10.6 MBytes  89.1 Mbits/sec
[ 11]   3.00-4.00   sec  8.62 MBytes  72.3 Mbits/sec
[ 13]   3.00-4.00   sec  9.38 MBytes  78.6 Mbits/sec
[ 15]   3.00-4.00   sec  9.25 MBytes  77.6 Mbits/sec
[ 17]   3.00-4.00   sec  15.2 MBytes   128 Mbits/sec
[ 19]   3.00-4.00   sec  12.8 MBytes   107 Mbits/sec
[ 21]   3.00-4.00   sec  10.5 MBytes  88.1 Mbits/sec
[ 23]   3.00-4.00   sec  9.75 MBytes  81.8 Mbits/sec
[SUM]   3.00-4.00   sec   112 MBytes   939 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   4.00-5.00   sec  3.38 MBytes  28.3 Mbits/sec
[  7]   4.00-5.00   sec  16.5 MBytes   138 Mbits/sec
[  9]   4.00-5.00   sec  12.4 MBytes   104 Mbits/sec
[ 11]   4.00-5.00   sec  9.00 MBytes  75.5 Mbits/sec
[ 13]   4.00-5.00   sec  12.4 MBytes   104 Mbits/sec
[ 15]   4.00-5.00   sec  11.6 MBytes  97.5 Mbits/sec
[ 17]   4.00-5.00   sec  11.2 MBytes  94.4 Mbits/sec
[ 19]   4.00-5.00   sec  14.1 MBytes   118 Mbits/sec
[ 21]   4.00-5.00   sec  12.2 MBytes   103 Mbits/sec
[ 23]   4.00-5.00   sec  9.12 MBytes  76.5 Mbits/sec
[SUM]   4.00-5.00   sec   112 MBytes   939 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   5.00-6.00   sec  4.75 MBytes  39.8 Mbits/sec
[  7]   5.00-6.00   sec  14.0 MBytes   117 Mbits/sec
[  9]   5.00-6.00   sec  13.4 MBytes   112 Mbits/sec
[ 11]   5.00-6.00   sec  8.50 MBytes  71.3 Mbits/sec
[ 13]   5.00-6.00   sec  12.5 MBytes   105 Mbits/sec
[ 15]   5.00-6.00   sec  10.4 MBytes  87.0 Mbits/sec
[ 17]   5.00-6.00   sec  12.9 MBytes   108 Mbits/sec
[ 19]   5.00-6.00   sec  14.4 MBytes   121 Mbits/sec
[ 21]   5.00-6.00   sec  12.2 MBytes   103 Mbits/sec
[ 23]   5.00-6.00   sec  8.00 MBytes  67.1 Mbits/sec
[SUM]   5.00-6.00   sec   111 MBytes   931 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   6.00-7.00   sec  8.12 MBytes  68.2 Mbits/sec
[  7]   6.00-7.00   sec  9.50 MBytes  79.8 Mbits/sec
[  9]   6.00-7.00   sec  13.8 MBytes   115 Mbits/sec
[ 11]   6.00-7.00   sec  6.88 MBytes  57.7 Mbits/sec
[ 13]   6.00-7.00   sec  12.6 MBytes   106 Mbits/sec
[ 15]   6.00-7.00   sec  15.9 MBytes   133 Mbits/sec
[ 17]   6.00-7.00   sec  11.6 MBytes  97.6 Mbits/sec
[ 19]   6.00-7.00   sec  12.6 MBytes   106 Mbits/sec
[ 21]   6.00-7.00   sec  11.8 MBytes  98.7 Mbits/sec
[ 23]   6.00-7.00   sec  7.38 MBytes  61.9 Mbits/sec
[SUM]   6.00-7.00   sec   110 MBytes   925 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   7.00-8.00   sec  10.0 MBytes  83.9 Mbits/sec
[  7]   7.00-8.00   sec  9.38 MBytes  78.6 Mbits/sec
[  9]   7.00-8.00   sec  15.6 MBytes   131 Mbits/sec
[ 11]   7.00-8.00   sec  8.12 MBytes  68.2 Mbits/sec
[ 13]   7.00-8.00   sec  11.9 MBytes  99.6 Mbits/sec
[ 15]   7.00-8.00   sec  15.2 MBytes   128 Mbits/sec
[ 17]   7.00-8.00   sec  10.6 MBytes  89.1 Mbits/sec
[ 19]   7.00-8.00   sec  12.9 MBytes   108 Mbits/sec
[ 21]   7.00-8.00   sec  10.2 MBytes  86.0 Mbits/sec
[ 23]   7.00-8.00   sec  7.00 MBytes  58.7 Mbits/sec
[SUM]   7.00-8.00   sec   111 MBytes   931 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   8.00-9.00   sec  9.62 MBytes  80.7 Mbits/sec
[  7]   8.00-9.00   sec  10.4 MBytes  87.0 Mbits/sec
[  9]   8.00-9.00   sec  12.4 MBytes   104 Mbits/sec
[ 11]   8.00-9.00   sec  12.8 MBytes   107 Mbits/sec
[ 13]   8.00-9.00   sec  10.4 MBytes  87.0 Mbits/sec
[ 15]   8.00-9.00   sec  15.1 MBytes   127 Mbits/sec
[ 17]   8.00-9.00   sec  10.4 MBytes  87.0 Mbits/sec
[ 19]   8.00-9.00   sec  13.4 MBytes   112 Mbits/sec
[ 21]   8.00-9.00   sec  10.2 MBytes  85.9 Mbits/sec
[ 23]   8.00-9.00   sec  6.12 MBytes  51.3 Mbits/sec
[SUM]   8.00-9.00   sec   111 MBytes   928 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   9.00-10.00  sec  10.1 MBytes  85.0 Mbits/sec
[  7]   9.00-10.00  sec  10.4 MBytes  87.1 Mbits/sec
[  9]   9.00-10.00  sec  11.1 MBytes  93.4 Mbits/sec
[ 11]   9.00-10.00  sec  13.5 MBytes   113 Mbits/sec
[ 13]   9.00-10.00  sec  8.25 MBytes  69.2 Mbits/sec
[ 15]   9.00-10.00  sec  13.8 MBytes   115 Mbits/sec
[ 17]   9.00-10.00  sec  10.0 MBytes  83.9 Mbits/sec
[ 19]   9.00-10.00  sec  14.5 MBytes   122 Mbits/sec
[ 21]   9.00-10.00  sec  13.1 MBytes   110 Mbits/sec
[ 23]   9.00-10.00  sec  7.00 MBytes  58.7 Mbits/sec
[SUM]   9.00-10.00  sec   112 MBytes   938 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  10.00-11.00  sec  11.0 MBytes  92.2 Mbits/sec
[  7]  10.00-11.00  sec  10.6 MBytes  89.1 Mbits/sec
[  9]  10.00-11.00  sec  11.1 MBytes  93.3 Mbits/sec
[ 11]  10.00-11.00  sec  11.5 MBytes  96.4 Mbits/sec
[ 13]  10.00-11.00  sec  12.0 MBytes   101 Mbits/sec
[ 15]  10.00-11.00  sec  10.6 MBytes  89.1 Mbits/sec
[ 17]  10.00-11.00  sec  7.00 MBytes  58.7 Mbits/sec
[ 19]  10.00-11.00  sec  16.4 MBytes   137 Mbits/sec
[ 21]  10.00-11.00  sec  13.2 MBytes   111 Mbits/sec
[ 23]  10.00-11.00  sec  8.38 MBytes  70.2 Mbits/sec
[SUM]  10.00-11.00  sec   112 MBytes   938 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  11.00-12.00  sec  11.5 MBytes  96.5 Mbits/sec
[  7]  11.00-12.00  sec  7.88 MBytes  66.1 Mbits/sec
[  9]  11.00-12.00  sec  16.8 MBytes   141 Mbits/sec
[ 11]  11.00-12.00  sec  15.8 MBytes   132 Mbits/sec
[ 13]  11.00-12.00  sec  9.00 MBytes  75.5 Mbits/sec
[ 15]  11.00-12.00  sec  10.0 MBytes  83.9 Mbits/sec
[ 17]  11.00-12.00  sec  9.12 MBytes  76.6 Mbits/sec
[ 19]  11.00-12.00  sec  11.6 MBytes  97.5 Mbits/sec
[ 21]  11.00-12.00  sec  12.4 MBytes   104 Mbits/sec
[ 23]  11.00-12.00  sec  7.75 MBytes  65.0 Mbits/sec
[SUM]  11.00-12.00  sec   112 MBytes   938 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  12.00-13.00  sec  11.6 MBytes  97.5 Mbits/sec
[  7]  12.00-13.00  sec  7.00 MBytes  58.7 Mbits/sec
[  9]  12.00-13.00  sec  18.6 MBytes   156 Mbits/sec
[ 11]  12.00-13.00  sec  14.6 MBytes   123 Mbits/sec
[ 13]  12.00-13.00  sec  12.2 MBytes   103 Mbits/sec
[ 15]  12.00-13.00  sec  10.6 MBytes  89.1 Mbits/sec
[ 17]  12.00-13.00  sec  9.62 MBytes  80.8 Mbits/sec
[ 19]  12.00-13.00  sec  11.2 MBytes  94.4 Mbits/sec
[ 21]  12.00-13.00  sec  11.8 MBytes  98.6 Mbits/sec
[ 23]  12.00-13.00  sec  4.50 MBytes  37.8 Mbits/sec
[SUM]  12.00-13.00  sec   112 MBytes   939 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  13.00-14.00  sec  10.9 MBytes  91.2 Mbits/sec
[  7]  13.00-14.00  sec  8.75 MBytes  73.4 Mbits/sec
[  9]  13.00-14.00  sec  12.9 MBytes   108 Mbits/sec
[ 11]  13.00-14.00  sec  15.0 MBytes   126 Mbits/sec
[ 13]  13.00-14.00  sec  13.0 MBytes   109 Mbits/sec
[ 15]  13.00-14.00  sec  12.6 MBytes   106 Mbits/sec
[ 17]  13.00-14.00  sec  9.12 MBytes  76.6 Mbits/sec
[ 19]  13.00-14.00  sec  11.2 MBytes  94.4 Mbits/sec
[ 21]  13.00-14.00  sec  11.1 MBytes  93.3 Mbits/sec
[ 23]  13.00-14.00  sec  6.12 MBytes  51.4 Mbits/sec
[SUM]  13.00-14.00  sec   111 MBytes   929 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  14.00-15.00  sec  12.9 MBytes   108 Mbits/sec
[  7]  14.00-15.00  sec  9.00 MBytes  75.2 Mbits/sec
[  9]  14.00-15.00  sec  14.2 MBytes   119 Mbits/sec
[ 11]  14.00-15.00  sec  12.9 MBytes   108 Mbits/sec
[ 13]  14.00-15.00  sec  12.5 MBytes   104 Mbits/sec
[ 15]  14.00-15.00  sec  11.2 MBytes  94.0 Mbits/sec
[ 17]  14.00-15.00  sec  9.25 MBytes  77.3 Mbits/sec
[ 19]  14.00-15.00  sec  15.0 MBytes   125 Mbits/sec
[ 21]  14.00-15.00  sec  8.12 MBytes  67.9 Mbits/sec
[ 23]  14.00-15.00  sec  6.00 MBytes  50.1 Mbits/sec
[SUM]  14.00-15.00  sec   111 MBytes   928 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  15.00-16.01  sec  13.0 MBytes   108 Mbits/sec
[  7]  15.00-16.01  sec  8.25 MBytes  68.8 Mbits/sec
[  9]  15.00-16.01  sec  11.2 MBytes  93.9 Mbits/sec
[ 11]  15.00-16.01  sec  12.6 MBytes   105 Mbits/sec
[ 13]  15.00-16.01  sec  13.8 MBytes   115 Mbits/sec
[ 15]  15.00-16.01  sec  11.2 MBytes  93.7 Mbits/sec
[ 17]  15.00-16.01  sec  9.12 MBytes  76.0 Mbits/sec
[ 19]  15.00-16.01  sec  14.1 MBytes   118 Mbits/sec
[ 21]  15.00-16.01  sec  13.0 MBytes   108 Mbits/sec
[ 23]  15.00-16.01  sec  6.62 MBytes  55.2 Mbits/sec
[SUM]  15.00-16.01  sec   113 MBytes   943 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  16.01-17.00  sec  12.9 MBytes   109 Mbits/sec
[  7]  16.01-17.00  sec  12.0 MBytes   102 Mbits/sec
[  9]  16.01-17.00  sec  9.88 MBytes  83.7 Mbits/sec
[ 11]  16.01-17.00  sec  13.1 MBytes   111 Mbits/sec
[ 13]  16.01-17.00  sec  14.0 MBytes   119 Mbits/sec
[ 15]  16.01-17.00  sec  11.2 MBytes  95.5 Mbits/sec
[ 17]  16.01-17.00  sec  10.5 MBytes  89.1 Mbits/sec
[ 19]  16.01-17.00  sec  10.2 MBytes  86.9 Mbits/sec
[ 21]  16.01-17.00  sec  10.4 MBytes  88.0 Mbits/sec
[ 23]  16.01-17.00  sec  5.50 MBytes  46.6 Mbits/sec
[SUM]  16.01-17.00  sec   110 MBytes   930 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  17.00-18.00  sec  14.0 MBytes   117 Mbits/sec
[  7]  17.00-18.00  sec  9.00 MBytes  75.5 Mbits/sec
[  9]  17.00-18.00  sec  14.6 MBytes   123 Mbits/sec
[ 11]  17.00-18.00  sec  14.2 MBytes   119 Mbits/sec
[ 13]  17.00-18.00  sec  9.88 MBytes  82.8 Mbits/sec
[ 15]  17.00-18.00  sec  12.8 MBytes   107 Mbits/sec
[ 17]  17.00-18.00  sec  7.62 MBytes  63.9 Mbits/sec
[ 19]  17.00-18.00  sec  14.1 MBytes   119 Mbits/sec
[ 21]  17.00-18.00  sec  8.62 MBytes  72.4 Mbits/sec
[ 23]  17.00-18.00  sec  6.00 MBytes  50.4 Mbits/sec
[SUM]  17.00-18.00  sec   111 MBytes   930 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  18.00-19.00  sec  14.0 MBytes   118 Mbits/sec
[  7]  18.00-19.00  sec  8.62 MBytes  72.4 Mbits/sec
[  9]  18.00-19.00  sec  11.6 MBytes  97.6 Mbits/sec
[ 11]  18.00-19.00  sec  15.5 MBytes   130 Mbits/sec
[ 13]  18.00-19.00  sec  9.12 MBytes  76.6 Mbits/sec
[ 15]  18.00-19.00  sec  14.9 MBytes   125 Mbits/sec
[ 17]  18.00-19.00  sec  6.62 MBytes  55.6 Mbits/sec
[ 19]  18.00-19.00  sec  7.25 MBytes  60.9 Mbits/sec
[ 21]  18.00-19.00  sec  14.4 MBytes   121 Mbits/sec
[ 23]  18.00-19.00  sec  9.75 MBytes  81.9 Mbits/sec
[SUM]  18.00-19.00  sec   112 MBytes   938 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]  19.00-20.00  sec  10.4 MBytes  86.9 Mbits/sec
[  7]  19.00-20.00  sec  8.62 MBytes  72.2 Mbits/sec
[  9]  19.00-20.00  sec  12.2 MBytes   103 Mbits/sec
[ 11]  19.00-20.00  sec  13.5 MBytes   113 Mbits/sec
[ 13]  19.00-20.00  sec  14.2 MBytes   119 Mbits/sec
[ 15]  19.00-20.00  sec  13.6 MBytes   114 Mbits/sec
[ 17]  19.00-20.00  sec  9.00 MBytes  75.4 Mbits/sec
[ 19]  19.00-20.00  sec  8.62 MBytes  72.2 Mbits/sec
[ 21]  19.00-20.00  sec  11.0 MBytes  92.1 Mbits/sec
[ 23]  19.00-20.00  sec  9.75 MBytes  81.6 Mbits/sec
[SUM]  19.00-20.00  sec   111 MBytes   929 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-20.00  sec   213 MBytes  89.3 Mbits/sec  1091             sender
[  5]   0.00-20.00  sec   211 MBytes  88.6 Mbits/sec                  receiver
[  7]   0.00-20.00  sec   236 MBytes  99.1 Mbits/sec  1320             sender
[  7]   0.00-20.00  sec   233 MBytes  97.6 Mbits/sec                  receiver
[  9]   0.00-20.00  sec   262 MBytes   110 Mbits/sec  1518             sender
[  9]   0.00-20.00  sec   260 MBytes   109 Mbits/sec                  receiver
[ 11]   0.00-20.00  sec   238 MBytes  99.9 Mbits/sec  1165             sender
[ 11]   0.00-20.00  sec   236 MBytes  98.9 Mbits/sec                  receiver
[ 13]   0.00-20.00  sec   226 MBytes  94.6 Mbits/sec  1061             sender
[ 13]   0.00-20.00  sec   224 MBytes  94.0 Mbits/sec                  receiver
[ 15]   0.00-20.00  sec   236 MBytes  99.2 Mbits/sec  1405             sender
[ 15]   0.00-20.00  sec   235 MBytes  98.6 Mbits/sec                  receiver
[ 17]   0.00-20.00  sec   212 MBytes  88.7 Mbits/sec  1598             sender
[ 17]   0.00-20.00  sec   210 MBytes  88.2 Mbits/sec                  receiver
[ 19]   0.00-20.00  sec   252 MBytes   106 Mbits/sec  1375             sender
[ 19]   0.00-20.00  sec   251 MBytes   105 Mbits/sec                  receiver
[ 21]   0.00-20.00  sec   222 MBytes  92.9 Mbits/sec  1468             sender
[ 21]   0.00-20.00  sec   220 MBytes  92.3 Mbits/sec                  receiver
[ 23]   0.00-20.00  sec   144 MBytes  60.5 Mbits/sec  666             sender
[ 23]   0.00-20.00  sec   143 MBytes  60.1 Mbits/sec                  receiver
[SUM]   0.00-20.00  sec  2.19 GBytes   940 Mbits/sec  12667             sender
[SUM]   0.00-20.00  sec  2.17 GBytes   932 Mbits/sec                  receiver
rcv_tcp_congestion cubic

 

iperf Done.

 

iperf3 -c akl4.linetest.nz -V -p 5001 -u -b 500000000
iperf 3.16
Linux UDMPRO 4.19.152-ui-alpine #4.19.152 SMP Tue Dec 24 22:57:14 CST 2024 aarch64
Control connection MSS 1448
Setting UDP block size to 1448
Time: Wed, 22 Jan 2025 00:57:10 GMT
Connecting to host akl4.linetest.nz, port 5001
      Cookie: ldcc5c6reroj6ges4gghanaenqrotnaeu5xl
      Target Bitrate: 500000000
[  5] local 163.47.223.125 port 36046 connected to 60.234.3.9 port 5001
Starting Test: protocol: UDP, 1 streams, 1448 byte blocks, omitting 0 seconds, 10 second test, tos 0
[ ID] Interval           Transfer     Bitrate         Total Datagrams
[  5]   0.00-1.00   sec  59.6 MBytes   500 Mbits/sec  43142
[  5]   1.00-2.00   sec  59.6 MBytes   500 Mbits/sec  43157
[  5]   2.00-3.00   sec  59.6 MBytes   500 Mbits/sec  43183
[  5]   3.00-4.00   sec  59.6 MBytes   500 Mbits/sec  43149
[  5]   4.00-5.00   sec  59.6 MBytes   500 Mbits/sec  43157
[  5]   5.00-6.00   sec  59.6 MBytes   500 Mbits/sec  43172
[  5]   6.00-7.00   sec  59.6 MBytes   500 Mbits/sec  43146
[  5]   7.00-8.00   sec  59.6 MBytes   500 Mbits/sec  43161
[  5]   8.00-9.00   sec  59.6 MBytes   500 Mbits/sec  43176
[  5]   9.00-10.00  sec  59.6 MBytes   500 Mbits/sec  43166
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
[  5]   0.00-10.00  sec   596 MBytes   500 Mbits/sec  0.000 ms  0/431609 (0%)  sender
[  5]   0.00-10.00  sec   583 MBytes   489 Mbits/sec  0.030 ms  0/431609 (0%)  receiver
CPU Utilization: local/sender 99.1% (69.0%u/30.1%s), remote/receiver 3.6% (1.1%u/2.4%s)

 

--------------------------------------------------------------------

 

My problem now is, that this seems to be traffic shaping of some sort that focusses on internet traffic but omits iperf traffic (or the destinations). I just cannot tell if that is on Chorus side or 2degrees side or how to explain that to the support team. I did already stretch their know how. So I'm hoping there's an expert here that can support getting to the bottom of this weird behaviour. 

 

Thanks in advance!

 

Oliver

 

P.S. I have emailed this to 2degrees and it will hopefully find its way back to the ticket.

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olivernz

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  #3334579 22-Jan-2025 22:10
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Magically fixed now. 



olivernz

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  #3334944 23-Jan-2025 22:29
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And I am back to 50-100Mbit upload. What the...??? I'll call 2degrees tomorrow....again.

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  #3334946 23-Jan-2025 22:34
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Having the same issue here, what are they doing?



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  #3334949 23-Jan-2025 23:05
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I wish I knew but it's affecting Or on too. Where are you in the country?

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  #3335403 24-Jan-2025 22:21
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Wellington here, issue is still there, upload seems completely random, sometimes feels capped to 10Mbps, seems speedtest and fast.com function well - perhaps allow-listed?

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  #3335456 24-Jan-2025 23:13
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Yes. Depends on where you speedtest to. At the moment everything is fine bar testing to the Chorus server. I sure as heck don't know what is going on but it isn't as bad as it was yesterday.

 

Interestingly the underlying tests to Chorus via the iperf3 server are fine and have been fine. It is speculated that 2degrees peering is misconfigured so depending where the traffic is traversing it can be impacted but it all seems to be from Wellington area.

 
 
 
 

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  #3335460 24-Jan-2025 23:36
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Been trying to livestream via youtube, this used to work but now I'm not getting more than 2Mbps (even dropping to 0.5Mbps) which isn't enough to sustain a proper stream.

 

Also noticed uploading to Google Drive is exceptionally slow for large files. Testing via speed.cloudflare.com also shows I only have 5Mbps upload, and the endpoint it's testing with is in Auckland...

 

Yet, speedtest.net shows everything hunky dory for a few 2degrees test boxes.

 

I think they might be fudging some numbers there. Orcon used to not have traffic shaping in place but this sure feels like 2degrees has a different idea about that policy.

 

 

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  #3335498 25-Jan-2025 09:29
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deckstarr:I think they might be fudging some numbers there. Orcon used to not have traffic shaping in place but this sure feels like 2degrees has a different idea about that policy.

 

 

None of the major RSPs do this, and haven't for many years. The throughout you are reporting is so wildly different to the advertised throughput that there's clearly a fault somewhere. Where the fault is remains to be diagnosed, but suggesting this is a deliberate shaping policing is unhelpful.

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  #3335747 25-Jan-2025 18:23
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Been monitoring this this afternoon... at 4:30pm it seemed to go well for just less than one hour, and we're back at crap levels again intermittently.

 

Called Orcon tech support, have documented and sent through my findings, timestamping when it started to degrade. Hope they can find the issue.

 

 

 

 

 

 

 

 

 

 

 

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  #3335801 25-Jan-2025 18:36
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RunningMan:

 

deckstarr:I think they might be fudging some numbers there. Orcon used to not have traffic shaping in place but this sure feels like 2degrees has a different idea about that policy.

 

 

None of the major RSPs do this, and haven't for many years. The throughout you are reporting is so wildly different to the advertised throughput that there's clearly a fault somewhere. Where the fault is remains to be diagnosed, but suggesting this is a deliberate shaping policing is unhelpful.

 

 

 

 

Well, would expect seeing retransmits if packets were dropped, which would indicate a hardware fault but I don't see that... so it's either traffic shaping / QoS responding to higher priority traffic. Another hint is that iperf3 doesn't run on http/https - speedtest does... and this seems to affect port 80/443 traffic but not 5001 traffic? Both are TCP...

 

Note - the 500Mbps upload speed limit is traffic shaping - I'm not sure but think that is done by Chorus. The link negotiation is 1Gbps on the hardware (there is no 1000/500 standard). Download is also slightly limited to 950Mbps.

 

Another thing - I don't see any routing changes when the fault occurs either. Tested IPv4 and IPv6 - if there is a left-right failover/failback it might be seen in the routing.

 

Really hope they can correlate my timestamps with their logs and figure out what the issue is.

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  #3335876 26-Jan-2025 00:29
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deckstarr:

 

Well, would expect seeing retransmits if packets were dropped, which would indicate a hardware fault but I don't see that... so it's either traffic shaping / QoS responding to higher priority traffic. Another hint is that iperf3 doesn't run on http/https - speedtest does... and this seems to affect port 80/443 traffic but not 5001 traffic? Both are TCP...

 

Note - the 500Mbps upload speed limit is traffic shaping - I'm not sure but think that is done by Chorus. The link negotiation is 1Gbps on the hardware (there is no 1000/500 standard). Download is also slightly limited to 950Mbps.

 

Another thing - I don't see any routing changes when the fault occurs either. Tested IPv4 and IPv6 - if there is a left-right failover/failback it might be seen in the routing.

 

Really hope they can correlate my timestamps with their logs and figure out what the issue is.

 

 

The 500 mbit/s upload speed is not traffic shaping it is just a speed limit - it applies to all packets entering the ONT and yes it happens in the ONT.  Traffic shaping is where some packets are given higher or lower priority on the network, and is simply not done in NZ on the fibre networks - it takes a much more expensive router than we use to be able to do traffic shaping at gigabit speeds.  Fortunately, traffic shaping is largely unnecessary at gigabit speeds.  At ADSL/VDSL speeds it was often necessary and useful.

 

The slightly slower 950 Mbit/s speed of gigabit fibre connections is not traffic shaping or a speed limit either, it is protocol overheads.  It really is a gigabit connection, but end customers do not understand that there need to be various headers to get the data where it needs to go, so they expect that their file transfer will run at 1.00 gigabits/s on a gigabit fibre.  Which is why the Commerce Commission requires that the advertising for gigabit connections only says what reasonable end-to-end data transfer speeds can be expected when the normal protocols are used.  Your gigabit Ethernet connections have exactly the same problem - it is impossible to achieve 1.00 gigabit/s file transfer speeds over gigabit Ethernet.

 
 
 
 

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  #3335879 26-Jan-2025 00:38
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So I have done a LOT of investigation and discussion with 2degrees. I will call again on monday. I have proven it's not Chorus. iperf test to Chorus servers is fine. It depends where you test to on Speedtest.net. Some are fine and some aren't Which -to me- indicates peering issues or (worse) routing issues but because the tests are all over the place I'd say peering. Is there different peering in Wellington? I wouldn't have expected so.

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  #3335880 26-Jan-2025 00:50
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Here's my speedtest results I have from the last day. They are pretty all over the place and NOTHING to do with normal traffic shaping or overheads. (Sorry doesn't let me paste a table)

 

 

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  #3335941 26-Jan-2025 14:42
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Whoa you went above and beyond, I was about to write a script to monitor this but thanks, owe you a beer or two... I've sent the link to this thread to Orcon as well, it's now with their tier 2 support team.

 

What's weird is that I see the upload degrade with their akl1 and chch1 linetest.nz servers too - both 2degrees boxes... akl1 seems to be more severe.

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  #3335943 26-Jan-2025 14:49
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olivernz:

 

 It is speculated that 2degrees peering is misconfigured so depending where the traffic is traversing it can be impacted but it all seems to be from Wellington area.

 

 

It would probably be better described as core network routing issue if that is indeed the cause. I noticed recently from some traceroute logs to Cloudflare (which Chorus uses for its Fibre Lab speed test server) the traffic routing changes exit node/PoP from time to time (not by the minute but once or twice a day perhaps). Where 101.98.0.123 is the BNG hop the next hop is either 45.57.64.23  or Request timed out which could indicate different nodes as traffic is load balanced across the national transmission links that make up the core network. Perhaps you could add a traceroute alongside speed test result which may indicate a change in the path the packets take. 

 

01:16 am
Tracing route to 104.21.16.1 over a maximum of 30 hops
  3     7 ms     3 ms     5 ms  101.98.0.123 
  4    17 ms    17 ms    18 ms  45.57.64.23 
  5    22 ms    19 ms    22 ms  198.41.236.12 
  6    21 ms    18 ms    17 ms  104.21.16.1
Trace complete.

 

01:20 am
Tracing route to 104.21.16.1 over a maximum of 30 hops
  3     9 ms     4 ms     2 ms  101.98.0.123 
  4     *        *        *     Request timed out.
  5    18 ms    18 ms    21 ms  104.21.16.1 
Trace complete.

 

Here are relevant speed test server/host names:

 

Chorus Fibre Lab - Auckland - 28463 
sp.k99.net.nz

 

2degrees - Auckland - 5749
akl1.linetest.nz

 

Sky Broadband - Auckland - 38177
aklbroadbandcheck.sky.co.nz

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