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Please also fix bugs related to DHCP like Proxmox refuses to start when DHCPv6 is used because somehow Proxmox is deleting the lease file. https://forum.proxmox.com/threads/looks-like-proxmox-8-is-generating-new-ipv6-duid-for-every-reboot.129429/

Commenting out #SKIP_DOWN_AT_SYSRESET = yes line in /etc/default/networking works for me now.

I wish if both Debian and Proxmox would switch to systemd-networkd, that would be nice.

I had the same problem, my server would not boot after using DHCPv6/4 and figured out using logs that dhclient was not installed. Installed dhcpcd first but it did not work so I tried with dhclient and it worked. Please add support for dhcpcd in proxmox...

Upgrading from 8 to 9 DHCPv6/4 worked fine but I decided to go for a fresh install of Proxmox 9 and the server would not boot after using DHCPv6/4. After logging in using a monitor I found out using the logs that dhclient is not installed by default and that is why there was no Internet...

Because I do not want to see the long list of VMs, folders would be nice, just expand (Production) (Test) to see all the VMs in that folder only. I do use tags by the way.

I would also like to see folders to categorize VMs into folder names.

Is this bug fixed in Proxmox 9, It is a bug only happens with Proxmox which deletes DUID file on every reboot and it makes Proxmox unbootable. Serious bug, it needs to be fixed. https://bugzilla.proxmox.com/show_bug.cgi?id=5466

The gateway IPv6 address you are using is wrong, it is a link-local IPv6 address and local to each device and you cannot connect to it. Try to find the IPv6 of your unifi router, mine is fd88::1 for Openwrt router.

I can confirm that this works, on my Openwrt I can see that lease is expired on shutdown (correct way) and kept the DUID the same. Proxmox staff needs to look into this and remove the line that removes dhclient files.

I am not sure why dhcp client files are removed, no other distro does this including Debian. I will remove the code and test it and post it here.

I checked and it is not configured for my VMs and they all have native IPv6 connectivity. This is what I have in the config [OPTIONS] enable: 1 radv: 1 macfilter: 1 policy_in: ACCEPT [RULES] |GROUP deny-lan-access

I also have firewall enabled on the datacenter level and IPv6 is working fine for both Proxmox and VMs. Are you also allowing router advertisements? accept_ra 2 Example

Do I need to run those two commands on my Proxmox server?

The one time donation of $25 is just to remove the nagware at login, nothing more, just for home use.

I had the same problem with my external USB HDD passed to my homeserver VM (SMB) home file sharing and the HDD just would not go to sleep. What I did was I went to my VM > Hardware > Add > USB Device > Use USB Vendor/Device ID > Then choose the USB device from the list, now the HDD goes to sleep...

I use Proxmox firewall

Just read that slaac does not work on bridges - https://www.reddit.com/r/Proxmox/comments/oq2rgi/how_to_use_ipv6_slaac_and_dhcpv6_for_the_proxmox/ I would recommend you to use IPv6 tokens to set a suffix this way the prefix can change any time.

I also use dhcpv6, follow the guide here and see if it works for you. https://saudiqbal.github.io/Proxmox/proxmox-IPv6-interface-setup-DHCPv6-or-static.html

Did you enable the firewall?