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Hosthatch IPv6 issue
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Hosthatch IPv6 issue

My HostHatch JP VPS (EPYC 8G, routed IPv6 enabled) is losing connectivity intermittently. Only 18% up last 24 hours.
IPv4 is still working while IPv6 is down.

Ping from another host (vultr) occasionally got responses for a few seconds long but mostly ends up with ICMP destination unreachable from their upstream m247.

From xxxxxx.tyo1.jp.m247.com (2001:xxxxxx::d103) icmp_seq=431 Destination unreachable: Address unreachable

Their default router fe80::1 is rarely responding to neighbor solicitation from the VPS.

time sudo ndisc6 -n -1 -r 1000 fe80::1 ens3
Soliciting fe80::1 (fe80::1) on ens3...
Timed out.
Timed out.
Timed out.
...
Timed out.
Target link-layer address: xxxxxx:93
from fe80::1

real 1m37.710s
user 0m0.003s
sys 0m0.015s

It looks like a misconfiguration on their routing or icmp6 rules.
Does anyone here get a response from hosthatch regarding IPv6 issues?

Comments

  • FrankZFrankZ Veteran
    edited March 2022

    Do you have yourIPv6subnet::1 as the primary IPv6 address?
    If not, try that and see if things improve.

    HH has said previously that their upstreams assigns a lower priority to IPv6, so it takes a lot of pushing to get it resolved.

  • causecause Member

    yes, as shown in their vps portal. I think this can be different from priority/shaving on the upstream. HH router serving the default route is not responding to ND properly, from what I can see in the ndisc6 result.

  • ezethezeth Member, Host Rep
    edited March 2022

    Try turning IPv6 or prioritize IPv4 and you don’t have to worry about such issues.

  • JeDaYoshiJeDaYoshi Member
    edited April 2022

    @ezeth said:
    Try turning IPv6 or prioritize IPv4 and you don’t have to worry about such issues.

    Why is that a solution, or even an idea for you? Not everything has IPv4, and people like you is why we don't have a higher global IPv6 deployment yet.

    Like, of course either disabling it or giving it lower priority might just work to fix the issue right now. But it's far from being a long-term solution, and while I'm not fully blaming it on HostHatch, it's still something that needs to be eventually seen and at the very least given a try to tackle at, probably.

  • causecause Member

    It seems the OP is seeing the same issue with me. I could not find why hosthatch assumed this was an issue of their upstream from the thread...

  • foitinfoitin Member
    edited April 2022

    @cause said:

    It seems the OP is seeing the same issue with me. I could not find why hosthatch assumed this was an issue of their upstream from the thread...

    I'm having the same issue as you.
    IPv6 hasn't been available in Tokyo for a month and half and its unreliable even used domestically, no international traffic involved.

    Never thought of HostHatch being in the same shoes :/

    it takes a lot of pushing to get them resolved.

    It takes more pushing (or forever) to have HostHatch answer your ticket/fix it.

  • babuumbabuum Member
    edited April 2022

    @foitin said:
    I'm having the same issue as you.
    IPv6 hasn't been available in Tokyo for a month and half and its unreliable even used domestically, no international traffic involved.

    I just skimmed through their ToS and it looks like they provide a refund for interrupted or inoperable Services. I would just demand that for the time being.

  • FrankZFrankZ Veteran
    edited April 2022

    @babuum said: I just skimmed through their ToS and it looks like they provide a refund for interrupted or inoperable Services. I would just demand that for the time being.

    Best of luck to you if you go that route. Please let us know how that works out for you.

    EDIT: I expect that your ticket will stay unanswered for a very long time.

  • I'm not a customer but in that case it's time to cancel and write a honest review.

  • causecause Member

    Again, their ipv6 router in JP datacenter is down.

    from vultr jp,
    Host Loss% Snt Last Avg Best Wrst StDev
    1. (waiting for reply)
    2. xxxxx::1 0.0% 23446 0.8 0.7 0.5 272.4 15.9
    3. xxxxx.tyo1.constant.com 0.0% 23446 0.9 1.1 0.7 157.3 16.5
    4. xxxxx.tyo2.constant.com 0.0% 23446 4.2 1.4 1.3 73.3 3.5
    5. (no route to host)

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