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vultr-fra (IPv6): high latency

Hello,

 

I'm experiencing high latency ONLY on vultr-fra (IPv6) of about 100ms. 

Unfortunately the nextdns client seems to love to switch to that node despite the high ping. 

Also submitting a report via the diagnostic tool fails with 

Post unsuccessful: status 400
{"error":"0: instance.Test requires property \"Client\"\n"}

If you need any more traceroutes I can do these with mtr.

 

Resolvers:  192.168.178.1
Testing IPv6 connectivity
  available: true
Fetching https://test.nextdns.io
  status: unconfigured
  client:
  resolver: 74.63.25.238
Fetching PoP name for ultra low latency primary IPv4 (ipv4.dns1.nextdns.io)
  anexia-ams: 14.884ms
Fetching PoP name for ultra low latency secondary IPv4 (ipv4.dns2.nextdns.io)
  vultr-ams: 19.942ms
Fetching PoP name for anycast primary IPv4 (45.90.28.0)
  zepto-fra: 8.121ms
Fetching PoP name for anycast secondary IPv4 (45.90.30.0)
  anexia-fra: 7.725ms
Fetching PoP name for ultra low latency primary IPv6 (ipv6.dns1.nextdns.io)
  anexia-ams: 15.159ms
Fetching PoP name for ultra low latency secondary IPv6 (ipv6.dns2.nextdns.io)
  vultr-ams: 18.204ms
Fetching PoP name for anycast primary IPv6 (2a07:a8c0::)
  zepto-fra: 8.2ms
Fetching PoP name for anycast secondary IPv6 (2a07:a8c1::)
  anexia-fra: 7.905ms
Pinging PoPs
  zepto-fra: 8.726ms
  vultr-fra: 8.219ms
  zepto-fra (IPv6): 8.179ms
  anexia-fra (IPv6): 8.282ms
  anexia-fra: 8.508ms
  hetzner-nue (IPv6): 11.47ms
  hetzner-nue: 11.495ms
  anexia-lux (IPv6): 12.414ms
  exoscale-muc (IPv6): 13.008ms
  exoscale-zrh (IPv6): 13.987ms
  exoscale-zrh: 14.211ms
  anexia-zrh: 14.747ms
  anexia-zrh (IPv6): 14.999ms
  exoscale-muc: 14.463ms
  anexia-muc: 15.964ms
  zepto-bru (IPv6): 18.506ms
  zepto-bru: 18.309ms
  anexia-lux: 23.243ms
  anexia-muc (IPv6): 26.019ms
  vultr-fra (IPv6): 98.487ms
Traceroute for ultra low latency primary IPv4 (188.172.219.167)
    1  192.168.178.1    0ms   0ms   0ms
    2 62.155.246.176   45ms  21ms   4ms
    3  217.0.200.242    9ms   8ms   8ms
    4  217.0.200.234    8ms   8ms   8ms
    5 80.156.161.186    8ms   8ms   7ms
    6 144.208.208.143   15ms  15ms  15ms
    7 144.208.208.210   15ms  15ms  14ms
    8 188.172.219.167   15ms  15ms  15ms
Traceroute for ultra low latency secondary IPv4 (95.179.134.211)
    1  192.168.178.1    0ms   0ms   0ms
    2 62.155.246.176    5ms   6ms   4ms
    3                   *     *     *
    4    217.5.70.58    8ms   8ms   8ms
    5  80.157.204.62   21ms   *     *
    6 89.149.184.222   14ms  13ms  16ms
    7   154.14.36.78   22ms  22ms   *
    8                   *     *     *
    9                   *     *     *
   10                   *     *     *
   11 95.179.134.211   21ms  21ms  20ms
Traceroute for anycast primary IPv4 (45.90.28.0)
    1  192.168.178.1    0ms   0ms   0ms
    2 62.155.246.176    5ms   4ms   3ms
    3  217.0.201.122    9ms   9ms   8ms
    4  217.0.201.122    9ms   8ms   8ms
    5 80.157.128.214    8ms   7ms   7ms
    6    80.255.9.62    7ms   7ms   7ms
    7  156.146.32.41    8ms   7ms   7ms
    8     45.90.28.0    8ms   8ms   7ms
Traceroute for anycast secondary IPv4 (45.90.30.0)
    1  192.168.178.1    0ms   0ms   0ms
    2 62.155.246.176    4ms   4ms   3ms
    3   217.0.201.22    9ms   8ms   8ms
    4   217.0.201.14    8ms   7ms   8ms
    5 213.248.93.186   19ms  19ms  18ms
    6  62.115.14.117    8ms   7ms   7ms
    7     45.90.30.0    7ms   7ms   7ms
Traceroute for ultra low latency primary IPv6 (2a00:11c0:63:350::3)
    1 2003:e6:970b:b300:2e3a:fdff:fe85:716    0ms   0ms   0ms
    2 2003:0:8305:8800::1    4ms   4ms   4ms
    3                   *     *     *
    4 2003:0:1304:8032::1    8ms   7ms   7ms
    5 2a00:11c0:47:1:47::143    8ms   8ms   7ms
    6 2a00:11c0:47:1:47::210   85ms  66ms  16ms
    7 2a00:11c0:63:350::3   15ms  14ms  14ms
Traceroute for ultra low latency secondary IPv6 (2001:19f0:5001:1faf:5400:2ff:fec8:7d49)
    1 2003:e6:970b:b300:2e3a:fdff:fe85:716    0ms   0ms   0ms
    2 2003:0:8305:8800::1    5ms   4ms   4ms
    3                   *     *     *
    4 2003:0:130e:4016::2   12ms   8ms   7ms
    5 2001:668:0:2:ffff:0:5995:b8de   15ms  14ms  14ms
    6 2001:668:0:3:ffff:1:0:d32   19ms  18ms  18ms
    7 2001:19f0:fc00::a48:206   18ms  18ms  18ms
    8 2001:19f0:fc00::a48:da   18ms  17ms  17ms
    9                   *     *     *
   10 2001:19f0:5001:1faf:5400:2ff:fec8:7d49   18ms  18ms  17ms
Traceroute for anycast primary IPv6 (2a07:a8c0::)
    1 2003:e6:970b:b300:2e3a:fdff:fe85:716    0ms   0ms   0ms
    2 2003:0:8305:8800::1    5ms   4ms   5ms
    3 2003:0:130e:4000::1    9ms   8ms   8ms
    4 2003:0:130e:4011::2    8ms   7ms   7ms
    5 2a01:4a0:1338:1b7::2    7ms   7ms   7ms
    6 2a02:6ea0:8:1140:5390::6    7ms   7ms   7ms
    7    2a07:a8c0::    8ms   7ms   7ms
Traceroute for anycast secondary IPv6 (2a07:a8c1::)
    1 2003:e6:970b:b300:2e3a:fdff:fe85:716    *     0ms   0ms
    2 2003:0:8305:8800::1    4ms   4ms   4ms
    3                   *     *     *
    4                   *     *     *
    5 2001:2000:3080:1522::2    8ms   8ms  43ms
    6    2a07:a8c1::    8ms   7ms   7ms
Do you want to send this report? [Y/n]: Y
Optional email in case we need additional info:
Post unsuccessful: status 400
{"error":"0: instance.Test requires property \"Client\"\n"}
  vultr-fra              8 ms  (ultralow2)
  anexia-fra             9 ms  (anycast2, ultralow1)
  zepto-fra (IPv6)       9 ms  (anycast1)
  anexia-fra (IPv6)      9 ms  (anycast2, ultralow1)
  zepto-fra              9 ms  (anycast1)
  hetzner-nue (IPv6)    12 ms
  anexia-lux (IPv6)     13 ms
  hetzner-nue           13 ms
  exoscale-muc (IPv6)   14 ms
  anexia-zrh (IPv6)     14 ms
  exoscale-zrh (IPv6)   14 ms
  exoscale-zrh          14 ms
  anexia-zrh            15 ms
  exoscale-muc          15 ms
  anexia-muc            16 ms
  zepto-bru (IPv6)      18 ms
  zepto-bru             18 ms
  anexia-lux            24 ms
  anexia-muc (IPv6)     25 ms
■ vultr-fra (IPv6)     101 ms  (ultralow2)

9 replies

null
    • Valynor
    • 2 yrs ago
    • Reported - view

    The latency issue I reported above persists; vultr-fra (IPv6) is always around 100 ms while all the other -fra servers are usually <10 ms.
    Could I get some support, please?

    ■ vultr-fra              8 ms  (ultralow2)
      zepto-fra (IPv6)       8 ms  (anycast1)
      anexia-fra (IPv6)      8 ms  (anycast2, ultralow1)
      anexia-fra             8 ms  (anycast2, ultralow1)
      zepto-fra              8 ms  (anycast1)
      hetzner-nue (IPv6)    11 ms
      hetzner-nue           11 ms
      anexia-lux (IPv6)     12 ms
      exoscale-zrh          14 ms
      exoscale-zrh (IPv6)   14 ms
      exoscale-muc (IPv6)   14 ms
      exoscale-muc          14 ms
      anexia-zrh (IPv6)     15 ms
      anexia-muc            16 ms
      zepto-bru (IPv6)      19 ms
      anexia-zrh            20 ms
      zepto-bru             21 ms
      anexia-lux            23 ms
      anexia-muc (IPv6)     28 ms
      vultr-fra (IPv6)      99 ms  (ultralow2)
    • Will_Tisdale
    • 2 yrs ago
    • Reported - view

    I wouldn't hold your breath for a reply sadly.

    https://help.nextdns.io/t/x2hj7ct/high-latency-for-anycast-secondary-ipv6

    • NextDNs
    • 2 yrs ago
    • Reported - view

    As the report shows, you are not using this server. Why is it a concern?

      • Valynor
      • 2 yrs ago
      • Reported - view

      NextDNS The Linux nextDNS client connects to all of the -fra servers, including the
      slow one, regularly. 
      I wrote this in my 1st post and I also added the data from ping.nextdns.io where you can
      see the black square next to the slow server, indicating that I was indeed connected to it.

      When this happens browsing the web is noticeably slower. 

    • NextDNs
    • 2 yrs ago
    • Reported - view

    Please provide the result of `mtr -bz 2a05:f480:1800:8ed:5400:02ff:fec8:7e46`

      • Valynor
      • 2 yrs ago
      • Reported - view

      NextDNS 
       

      mtr -bzw 2a05:f480:1800:8ed:5400:02ff:fec8:7e46
      Start: 2022-03-07T04:50:23+0100
      HOST: ConnorMint                                                                                            Loss%   Snt   Last   Avg  Best  Wrst StDev
        1. AS3320   p200300e6970bb3002e3afdfffe850716.dip0.t-ipconnect.de (2003:e6:970b:b300:2e3a:fdff:fe85:716)   0.0%    10    1.0   1.1   0.8   1.3   0.1
        2. AS3320   2003:0:8305:8800::1                                                                            0.0%    10   37.5  16.4   5.3  37.5   9.9
        3. AS3320   2003:0:130e:4000::1                                                                           30.0%    10    8.8   9.0   8.4   9.4   0.3
        4. AS3320   2003:0:130e:4016::2                                                                            0.0%    10    8.5  15.5   8.2  51.3  13.4
        5. AS3257   2001:668:0:2:ffff:0:5995:890e                                                                  0.0%    10    8.1   9.6   8.1  12.9   1.6
        6. AS3257   2001:668:0:3:ffff:0:2e21:511e                                                                  0.0%    10   99.2 101.2  98.7 110.0   3.5
        7. AS???    ethernetirb-ds2-q8.fkt3.constant.com (2001:19f0:fc00::a4b:162)                                 0.0%    10  104.6 105.1 104.6 105.9   0.4
        8. AS???    vl28-er1-q8.fkt3.constant.com (2001:19f0:fc00::a4b:165)                                        0.0%    10   98.8 104.0  98.8 121.8   8.0
        9. AS???    vl528-ds1-u3-r53b02-b.fkt3.constant.com (2001:19f0:fc00::a4b:14e)                              0.0%    10  104.5 104.6 104.2 105.2   0.3
       10. AS???    ???                                                                                           100.0    10    0.0   0.0   0.0   0.0   0.0
       11. AS20473  dns.nextdns.io (2a05:f480:1800:8ed:5400:2ff:fec8:7e46)                                         0.0%    10   98.3  98.4  97.7  99.9   0.6
    • NextDNs
    • 2 yrs ago
    • Reported - view

    We opened a ticket with vultr.

    • NextDNs
    • 2 yrs ago
    • Reported - view

    Can you please test again?

      • Valynor
      • 2 yrs ago
      • Reported - view

      NextDNS Seems they fixed it, thanks for the support!

      mtr -bzw 2a05:f480:1800:8ed:5400:02ff:fec8:7e46
      Start: 2022-03-07T16:16:14+0100
      HOST: ConnorMint                                                                                            Loss%   Snt   Last   Avg  Best  Wrst StDev
        1. AS3320   p200300e6970bb3002e3afdfffe850716.dip0.t-ipconnect.de (2003:e6:970b:b300:2e3a:fd               0.0%    10    0.9   1.1   0.9   1.3   0.1
        2. AS3320   2003:0:8305:8800::1                                                                            0.0%    10    4.9   5.5   4.9   7.1   0.7
        3. AS3320   2003:0:130e:4000::1                                                                            0.0%    10    9.0   9.8   8.8  13.9   1.5
        4. AS3320   2003:0:130e:4016::2                                                                            0.0%    10    8.3   9.9   8.3  15.3   2.3
        5. AS3257   2001:668:0:2:ffff:0:5995:890e                                                                  0.0%    10    8.9  16.5   8.3  30.1   7.3
        6. AS3257   2001:668:0:3:ffff:0:2e21:511e                                                                  0.0%    10    8.7   9.5   8.6  11.7   0.9
        7. AS???    ethernetirb-ds2-q8.fkt3.constant.com (2001:19f0:fc00::a4b:162)                                 0.0%    10    9.0  10.8   9.0  17.6   2.6
        8. AS???    vl28-er1-q8.fkt3.constant.com (2001:19f0:fc00::a4b:165)                                        0.0%    10    9.6  12.2   8.7  36.8   8.7
        9. AS???    vl527-ds1-u3-r53b02-a.fkt3.constant.com (2001:19f0:fc00::a4b:13a)                              0.0%    10    8.6   9.4   8.5  13.0   1.3
       10. AS???    ???                                                                                           100.0    10    0.0   0.0   0.0   0.0   0.0
       11. AS20473  dns.nextdns.io (2a05:f480:1800:8ed:5400:2ff:fec8:7e46)                                         0.0%    10    8.4   8.2   7.7   9.5   0.5
        zepto-fra (IPv6)       8 ms  (anycast1)
        anexia-fra (IPv6)      8 ms  (anycast2, ultralow1)
        zepto-fra              9 ms  (anycast1)
      ■ vultr-fra (IPv6)       9 ms  (ultralow2)
        vultr-fra              9 ms  (ultralow2)
        anexia-fra             9 ms  (anycast2, ultralow1)
        hetzner-nue (IPv6)    12 ms
        hetzner-nue           13 ms
        exoscale-zrh (IPv6)   13 ms
        anexia-zrh            13 ms
        anexia-zrh (IPv6)     14 ms
        exoscale-zrh          14 ms
        exoscale-muc (IPv6)   14 ms
        exoscale-muc          15 ms
        anexia-lux (IPv6)     16 ms
        anexia-muc            16 ms
        zepto-bru (IPv6)      18 ms
        zepto-bru             19 ms
        anexia-lux            24 ms
        anexia-muc (IPv6)     25 ms

Content aside

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