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Created: 2022-04-22 | Last update: 2022-04-22

Disable IPv6 on Proxmox

By default, Proxmox IPv6 is enabled after installation. This means that the IPv6 stack is active and the host can communicate with other hosts on the same network via IPv6 protocol.

Output of ip addr command:

Default IPv6 Proxmox

You can disable IPv6 on Proxmox VE by editing the /etc/sysctl.conf file.

nano /etc/sysctl.conf

Append the following to the end of the file


Save and exit. Reboot Proxmox Server to apply the changes.

Output of ip addr command after disabling IPv6 on Proxmox VE:

No IPv6 Proxmox Image


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