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Hi,
Am I the only one to have small issues with IPv6 in greencloud?
I have two VPSes (Frankfurt + Amsterdam).
IPv6 seems to be working, but from time to time I've noticed that after longer inactivity ping fails with
Then the rest is fine, until another longer break happens.
I've tested sending one ping every 5 minutes (with no other network activity over IPv6):
I've noticed that when this happens the outcome of ip -6 ne shows:
XXXX:XXXX:XXXX::1 dev eth0 router FAILEDthen the first ping fails, router goes to REACHABLE and pings are working fine.
I've done a tcpdump:
There is no response to solicitation.
Output of ip -6 mon:
Last test:
Manually forcing:
ip -6 neigh add XXXX:XXXX:XXXX::1 lladdr XX:XX:XX:19:54:91 nud permanent dev eth0Solves the issue, but it should not be the way to go.
Both systems are Ubuntu 22.04, no firewall config messing with ICMPv6.
I have exactly the same setups with two other providers, everything works fine there.
I've contacted the support (they do respond quickly!), but the final conclusion is
We have checked and did not see any configuration error on our sideI've found someone with similar problem (but not with GreenCloud), but there was no clear answer what was the reason:
https://lowendtalk.com/discussion/comment/3068387#Comment_3068387
To me lack of response to neighbor solicitation is misconfig from GC side, but I've been wrong millions of times in my life
Forgot to add one thing:
when the router is in FAILED state and I ping something the solicitation goes through, but not over link-local interface:
so it looks to me like the routers have sending over link-local interfaces blocked.
any plans for EPYC in HCM?
We have already upgraded our Budget KVM in HCM City to Xeon Gold 6148: https://greencloudvps.com/billing/store/budget-kvm-sale
If you still need EPYC and can wait a few weeks, we then have OpenStack Cloud Computes there, which will enter the beta version soon: EPYC Milan for computes, CEPH HA with NVMe 4.0, Fleio Control Panel, etc.
So excited to see GreenCloud OpenStack! I'll look forward to trying it out.
Hi @NDTN, apparently I'm not the one who had issues with Greencloud's misconfigured IPv6 and had to apply workarounds to have it work reliably: https://lowendtalk.com/discussion/comment/3501302#Comment_3501302
By default solicitation works this way:
host sends ND using the link-local interface to router and is supposed to get a response. It does not work in your network, there's no response to ND:
But sending this from global address works as expected:
Too bad that we can't force OS to use the global address for this. We have to permanently add router's IP and MAC address, but it's a dirty workaround that can stop working once router's MAC changes.
Not to mention the fact that the RA messages sent by your routers contain wrong IP addresses and break IPv6 connectivity. The workaround for this is adding:
to /etc/sysctl.conf
Funny enough the second fix is even mentioned in your docs (maybe should be baked into the default image?).
Too many workarounds for something that could be fixed with proper configuration, don't you think?
This is common at many providers.
Hypervisor drops outgoing traffic that doesn't match the assigned subnet.
Solution is ndpresponder:
https://yoursunny.com/t/2021/ndpresponder/
That's another workaround, thanks!
I don't run Docker on my VPSes, these are just simple Ubuntu machines with few services on it.
But seeing that there are providers without these issues it makes me wonder, why GreenCloud (which basically delivers good quality VPSes) can't work this out, and support tells me that they don't see any problem with their configuration...
Hi,
I'd been post everywhere
When BudgetKVMJP-2/3 avaliable? I need that very much.
MuppetJJ
What the hell means?
You should watch your mouth.
Confirmed.
Hello, I will buy NL10GbpsStorage-1 is it possible if I want to upgrade to NL10GbpsStorage-2 in the future?
If only NL10GbpsStorage-2 in stock at that time.
anyone has a yabs for this? thanks in advance ;-)
I have taken a YABS for you:
When a VPS says /112 IPv6, is the /112 in a /64 that is exclusive to me?
Yes a /112 block from the /64.
also disclaimer: GreenCloud is switching /112 into /64 slowly worldwide (some location already running /64) so don't get too attached to those IPv6s :-)
@NDTN seriously dude... what have you been drinking?
Processor : AMD EPYC 7643 48-Core Processor CPU cores : 4 @ 2299.996 MHz AES-NI : ✔ Enabled VM-x/AMD-V : ✔ Enabled RAM : 5.8 GiB Swap : 3.0 GiB Disk : 2.0 TiB Distro : Debian GNU/Linux 12 (bookworm) Kernel : 6.1.0-9-amd64 VM Type : KVM IPv4/IPv6 : ✔ Online / ❌ Offline IPv4 Network Information: --------------------------------- ISP : 365 Online Technology Joint Stock Company ASN : AS202602 365 Online Technology Joint Stock Company Host : 365 Group LLC Location : Amsterdam, North Holland (NH) Country : Netherlands fio Disk Speed Tests (Mixed R/W 50/50): --------------------------------- Block Size | 4k (IOPS) | 64k (IOPS) ------ | --- ---- | ---- ---- Read | 409.29 MB/s (102.3k) | 5.40 GB/s (84.4k) Write | 410.38 MB/s (102.5k) | 5.43 GB/s (84.8k) Total | 819.67 MB/s (204.9k) | 10.83 GB/s (169.3k) | | Block Size | 512k (IOPS) | 1m (IOPS) ------ | --- ---- | ---- ---- Read | 13.99 GB/s (27.3k) | 15.14 GB/s (14.7k) Write | 14.73 GB/s (28.7k) | 16.15 GB/s (15.7k) Total | 28.72 GB/s (56.1k) | 31.30 GB/s (30.5k) Geekbench 6 Benchmark Test: --------------------------------- Test | Value | Single Core | 1686 Multi Core | 5471 Full Test | https://browser.geekbench.com/v6/cpu/1997707this is insane ... and it seemed to be deployed already even before I could hit the PAY button 😂😂😂
can you shed some light on that RAID10 ? is it hardware or ZFS or what are you using? If the caching can keep up with network speed and proxmox backup server writing chunks, that's gonna be the most amazing storage offer I've seen so far.
are you planning something comparable for other european locations?
Hi @NDTN
If I buy a VPS with 2GB or more RAM, from your Budget or Premium KVM sale/promotion, can I then buy/add an unlimited Directadmin license, per extra €5/month? Thanks
We are using 32 drives in LSI hardware RAID-10 with Cachevault + 4 spare drives for Hot Spares (total 36 drives). Next year we will have the storage nodes deployed in Frankfurt, DE and Coventry, UK.
Unfortunately we no longer offer DirectAdmin internal license.
10Gbps-2
6GB RAM
4 cores
80GB SSD
10Gbps port
Windows Server 2019/ 2022
Is there a Linux version available for this configuration
is that the same storage setup you use in Singapore or just NL for now? If those NL speeds are maintained as the node fills up, I'm gonna grab a service.
We have the same setup for SG DC2 (currently out of stock) and SJC. The test VM was provisioned on a production node, so you would have the same speed if you order now or in the future.
Maybe you can take a look at our VDS: https://greencloudvps.com/billing/store/epyc-nvme-kvm-vds
Hi @NDTN, I just bought EPYC NVMe KVM VDS on greencloudvps. but upon receiving the email there's a note saying "Note: Traffic Exchange software/Gameservers or any heavy CPU utilizing software are NOT allowed on our KVM VPS." Does it mean that I'am using VPS and not VDS? and actually there's a chance that my site will consume all the allotted resources, what happen to my account then? are you gonna ban immediately as per reviews of others?
We use the same email template for all KVM plans. If your plan is a VDS, then you can use 100% of the resources with no issue.