Beiträge von robisetiawan

robisetiawan

Zitat von H6G

It is most definitely a conflict. The black host tutorial doesn't set a static IPv4 address and uses DHCP instead.

Since you want to set a static IPv4 address, you should disable DHCP.

Alhamdulillah for all the blessings bestowed upon us. I sincerely thank the kind-hearted individuals who assisted me throughout this setup process—may Allah reward your generosity.

I’m pleased to share that my server now supports IPv6, and I hope this thread serves as a useful reference for enabling IPv6 on an Ubuntu 24.04 server.

As someone who isn’t an IT expert or well-versed in networking, I found the technical aspects challenging. Your kindness, patience, and clear explanations were invaluable, especially after an initial setback when my server went down.

After reinstalling and restoring hundreds of gigabytes of data—a process that took considerable time—Alhamdulillah, everything is working perfectly. Thank you for sharing your knowledge and experience. May Allah reward your efforts, guide us all towards goodness, and continuously connect us with good people wherever we may be.

cc: @H6G; @Valkyrie; @m_ueberall

robisetiawan

Zitat von H6G

Both are wrong. Take a look at the documentation and what Netcup is giving you as the Network Settings in the SCP.

The ChatGPT one has the wrong default route for IPv6. I'm pretty sure the SCP states fe80::1 as your gateway.

The DeepSeek one is missing the IPv4 default route / gateway.

Thank you for the correction. I will try to understand the documentation.

Maybe I am a little confused about the network etc.

Here's my code based on this tutorial >> https://black.host/hc/ipv6/settin…4-with-netplan/

Code

network:
    version: 2
    ethernets:
      ens3:
        dhcp4: true
        dhcp6: no
        addresses:
            - 152.53.124.201/22    
            - 2a0a:4cc0:c0:5a89::/64    
        accept-ra: true
        nameservers:
            addresses:
                - 1.1.1.1
                - 8.8.8.8
                - 2606:4700:4700::1111
                - 2001:4860:4860::8888
        routes:
            - to: default    
              via: 152.53.124.1        # defaut ipv4    
            - to: default
              via: fe80::1            # defaut ipv6
              metric: 1
              on-link: true

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But I am confused because 2 tutorial (https://askubuntu.com/questions/1436…h-ipv4-and-ipv6) shows different code, like below:

Code

      critical: true
      dhcp-identifier: mac
      dhcp4: false

Should I add the code above? and it's like conflict on dhcpt4: should be true or false.

Thank you.

robisetiawan

Zitat von Valkyrie

Your IPv6 address space isn't assigned to your server via DHCPv6 or other means. You will have to set a static address (or multiple) in Netplan.

Please do not follow the tutorial you have linked, it's for different distributions.

The links I have posted above should be plenty for a basic configuration but Netplan can feel a bit overwhelming at first. Log in to the SCP and open the VNC console of your server. There you can edit your /etc/netplan without worrying about losing access. In case you need more help feel free to post the configuration you have tried here.

Okay, I am trying to create the code based on what ChatGPT has created:

Code

network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      addresses:
        - 152.53.124.201/24
        - 2a0a:4cc0:c0:5a89:6402:c6ff:fe47:60bd/64
      gateway4: 152.53.124.1       # Ganti dengan gateway IPv4 yang sesuai dari penyedia Anda
      gateway6: 2a0a:4cc0:c0:5a89::1  # Ganti dengan gateway IPv6 yang sesuai (umumnya alamat pertama dari blok /64)
      nameservers:
        addresses:
          - 1.1.1.1
          - 8.8.8.8
          - 2606:4700:4700::1111
          - 2001:4860:4860::8888

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And this is from DeepSeek:

Code

network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      addresses:
        - 152.53.124.201/22
        - 2a03:4000:2:11c5::1/64
      routes:
        - to: default
          via: fe80::1
          metric: 100
          on-link: true
      nameservers:
        addresses: [8.8.8.8, 2001:4860:4860::8888]

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I don't know which code I should choose.

Would you mind giving me some advice?

Thank you.

robisetiawan

Zitat von H6G

Doesn't cloudron has options for changing the network settings of your VPS?

Yes, there's an option to enable IPv6.

But when I try to set the IPv6 the Cloudron system can't detect the IP.

My IPv6 address is not configured properly on my vServer.

I check with this command:

Code

# ip -f inet6 -br addr
lo               UNKNOWN        ::1/128 
ens3             UP             fe80::6402:c6ff:fe47:60bd/64 
br-f3d2b3f2c19e  UP             fd00:c107:d509::1/64 fe80::42:2cff:fea5:13c5/64 
veth1ddb51a@if5  UP             fe80::70f5:6bff:fe74:dfd0/64 
veth8c3a802@if7  UP             fe80::145b:82ff:fe7e:74f3/64 
veth5b67513@if9  UP             fe80::8022:bfff:fe5f:7bc7/64 
veth8b1175a@if11 UP             fe80::c89:c9ff:fe4d:8a8d/64 
veth8f4dd2b@if15 UP             fe80::a877:12ff:fe24:c855/64 
vethf881d3c@if17 UP             fe80::589e:23ff:fee1:8f90/64 
veth830a967@if19 UP             fe80::5c4b:27ff:fe31:4584/64 
vethea31809@if21 UP             fe80::f82f:4eff:fefd:666c/64 
veth9ec2216@if23 UP             fe80::bc4c:97ff:fecb:144c/64 
veth371668c@if25 UP             fe80::c822:58ff:fe38:ada7/64 
vethb9acfbe@if27 UP             fe80::c07b:38ff:fea4:fcc7/64 
vethcdca2da@if29 UP             fe80::4ce8:56ff:fe15:a9f/64 
vethb52ec0e@if33 UP             fe80::7440:3cff:fe35:393d/64 
vethb18b566@if35 UP             fe80::2cdb:6fff:fe62:633c/64 
veth49c39b6@if39 UP             fe80::f037:6fff:fe07:d0ff/64 
vethdcbf45e@if41 UP             fe80::e0b9:b2ff:fe40:6462/64 
veth8dcf462@if43 UP             fe80::80ee:c3ff:fe83:ed5a/64 
veth8a3c4cc@if45 UP             fe80::3ce9:8aff:fe0f:f3e/64 
vethd1c8009@if49 UP             fe80::3c78:c6ff:feb9:fc4b/64 
veth4bac691@if51 UP             fe80::1441:fff:fe6c:c7a3/64 
vethdd11cb4@if53 UP             fe80::4824:ebff:fefc:f1a9/64 
veth1e8b3ae@if55 UP             fe80::9020:ccff:fe68:a3ec/64 
veth63db620@if59 UP             fe80::e487:6eff:fec9:cad4/64 
vethafd849b@if61 UP             fe80::f021:c8ff:fe4f:6fde/64 
vethc8b5a66@if63 UP             fe80::877:feff:fed0:53c4/64 
vethb6be898@if65 UP             fe80::102f:63ff:fe13:36de/64 
veth3292e73@if67 UP             fe80::24b1:ecff:feae:fff/64 
veth1190b5c@if69 UP             fe80::dc1b:c8ff:febf:2cbf/64 
veth8e91416@if71 UP             fe80::c465:7eff:fe39:4ff7/64 
veth2ff6464@if73 UP             fe80::58ff:10ff:fe04:9d2f/64 
veth1ff2968@if75 UP             fe80::ccdb:17ff:fe50:63f8/64 
veth260e0f3@if77 UP             fe80::dc9b:f1ff:fe0c:8821/64 
vethe644af8@if79 UP             fe80::dc90:8cff:fe80:f84d/64 
vethb6fa246@if81 UP             fe80::5c64:43ff:fe5a:3cc7/64 
vethd5b641b@if83 UP             fe80::68bc:dbff:fecf:e269/64 
vethd82e6ef@if85 UP             fe80::7cc4:1fff:feaa:e5de/64 
veth885d336@if87 UP             fe80::d85d:e1ff:fe82:67c1/64 
veth32ff2ee@if93 UP             fe80::5ca8:7fff:fe71:b1b8/64 
veth066e89f@if95 UP             fe80::4003:7dff:fe62:3431/64 
veth74020a5@if99 UP             fe80::88e2:47ff:fe89:ed08/64 
vetha9d70a6@if101 UP             fe80::b4ff:32ff:fece:a406/64 
veth85349d0@if103 UP             fe80::e896:27ff:fe9f:620e/64 
veth720255d@if105 UP             fe80::6828:8fff:fe21:c2a0/64 
veth28b3ade@if107 UP             fe80::f44c:23ff:fe63:1a25/64 
vethb8c0a64@if109 UP             fe80::b4dd:d0ff:fe4e:b4b/64 
veth9ee7ec7@if111 UP             fe80::4407:b0ff:fe3f:4f7b/64 
veth825f0db@if113 UP             fe80::3ca1:12ff:fe78:5dc1/64 
veth945df30@if115 UP             fe80::18cd:b5ff:fe91:c43c/64 
vetha7666dc@if117 UP             fe80::7818:cbff:fe5d:31cd/64 
vethbf77db8@if119 UP             fe80::a8f9:eff:fed2:4315/64 
vethf8690b6@if121 UP             fe80::fce6:31ff:fe25:d03d/64 
veth204c0ce@if123 UP             fe80::4b3:ecff:fe01:cc3d/64 
veth3582add@if125 UP             fe80::e013:26ff:fed8:f9ae/64 
veth1e8b1f8@if127 UP             fe80::acfc:bcff:febc:21f9/64 
veth7bc58d3@if129 UP             fe80::d07d:99ff:fe60:8e24/64 
veth3b8b69a@if131 UP             fe80::ecde:2ff:fe08:ca93/64 
vethaa23633@if133 UP             fe80::bcad:5dff:fea7:6d50/64 
vethb54306a@if135 UP             fe80::ca2:dcff:fe73:2944/64 
veth6c8fcb5@if137 UP             fe80::ecaa:aff:fecf:b2f6/64

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robisetiawan

Zitat von H6G

That's for Debian. Ubuntu uses netplan.

Why did you choose Ubuntu when you have issues with the network configuration?

Because I am using Cloudron to manage my server, it is required to use Ubuntu Server.

And I am new comer on VPS or Infra related.

robisetiawan

Zitat von Valkyrie

Hi!

Ubuntu is using Netplan, so you would have to edit your /etc/netplan to look similar to this:

https://askubuntu.com/questions/1436…h-ipv4-and-ipv6

https://black.host/hc/ipv6/settin…4-with-netplan/

For more in-depth information here's the official website:

https://netplan.readthedocs.io/en/stable/tutorial/

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I followed this tutorial https://helpcenter.netcup.com/en/wiki/server/ip/ but it seems there's no effect at all.

Code

# Konfigurasi IPv4
auto ens3
iface ens3 inet static
    address 152.53.124.201/22
    gateway 152.53.124.1        
    dns-nameservers 1.1.1.1 1.0.0.1

# Konfigurasi IPv6
auto ens3
iface ens3 inet6 static
    address 2a0a:4cc0:c0:5a89::/64
    gateway6 fe80::1    
    dns-nameservers 2606:4700:4700::1111 2606:4700:4700::1001

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Last time I tried the netplan, my server went down.

And I can't revert the configuration.

Before I apply the rules of the netplan.

Could you give me a tutorial on how to set up the netplan wisely and make a backup plan if the netplan goes wrong?

robisetiawan

I have a VPS account running Ubuntu Server 24.04 LTS on Netcup.

However, upon checking the Network section in my vServer installation,

I noticed that only IPv4 is active, while my active public IPv6 is not being utilized.

Could you kindly guide me on how to enable public IPv6 on my server?

Some information might be helpful:

Code

root@account# host -t AAAA ipv6.api.cloudron.io
ipv6.api.cloudron.io has IPv6 address 2604:a880:800:10::b66:f001

root@account# curl -6 https://ipv6.api.cloudron.io/api/v1/helper/public_ip
curl: (7) Failed to connect to ipv6.api.cloudron.io port 443 after 1 ms: Couldn't connect to server

This is my network setting on SCP:

Code

IPv4
IP    Gateway / Routing to    rDNS    Action
152.53.124.201/22    152.53.124.1


IPv6
IP    Gateway / Routing to    Action
2a0a:4cc0:c0:5a89::/64    fe80::1

And this is my configuration follow this tutorial >> https://helpcenter.netcup.com/en/wiki/server/ip/

Code

#nano /etc/network/interfaces

iface ens3 inet6 static address 2a0a:4cc0:c0:5a89::1/64 gateway fe80::1
iface ens3 inet6 static address 2a0a:4cc0:c0:5a89::2/64 gateway fe80::1
iface ens3 inet6 static address 2a0a:4cc0:c0:5a89:6402:c6ff:fe47:60bd/64 gateway fe80::1

I appreciate your assistance and look forward to your directions.

Thank you.

Regards

Beiträge von robisetiawan

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?

Activating Public IPv6 on My Ubuntu Server VPS at Netcup?