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Please post your Please post your /etc/network/interfaces file before you do the OVS config and after. If you do not have the before version, please post what you have.

Have you installed the openvswitch-switch package?

You need to have quorum ( 50% +1 nodes) to make changes to the PVE file system. You need to bring at least one of the other nodes online.

You likely have a loop. Check your STP/RSTP/MSTP logs on your Unifi switch. vmbr0, vmbr1, vmbr2, vmbr3 and anything connected to them are all on VLAN 1. Each of those should be on their own VLAN.

I have never seen an issue with VirtIO NICs not working pfSense. Netgate recommends them too. Might be something with your setup.

I believe you have an error in your interfaces file. You have: auto vmbr0 iface vmbr0 inet manual bridge-ports enp2s0 bridge-stp off bridge-fd 0 bridge-vlan-aware yes bridge-vids 1-4092 The default PVID for Linux bridges is 1 . You have included VLAN 1...

It would be made up of the NICs supported by Linux/Debian. It might be easier to list the NICs not supported. I do not think there is a list.

Is the user in PAM or PVE realm? If PAM, that is controlled in the operating system not Proxmox. This will not sync unless you have a a method outside of Proxmox. If the user is in the PVE realm, something is wrong if the credentials do not sync. Which realm are you using?

If you are running each node on a 1 Gbps connection and experience issues during a backup or other network congestion, you are likely interfering with the network traffic between nodes. Set a bandwidth limit on the backups to avoid the congestion.

Did you add this VLAN to pfSense just now, or was it in place? For the VMs that get an IP from the pfSense, do you configure them with a VLAN tag on their vNIC? If you assign the device on VLAN 60 with a static IP address, are you able to ping the pfSense VM? Have you done a packet capture on...

You have connected pfSense to vmbr0 which means it will be getting the tagged traffic (i.e. trunk port). You need to either connect the pfSense NIC to the vmbr0.60 (access port) or configure VLAN 60 in the pfSense.

This suggests you have an issue with your networking. What is your network config on each node?

Your management interface does not need to be on a VLAN. The recommendation is to keep it isolated from guest traffic. Consider it privileged traffic. If you would like to isolate using VLANs, that is okay. Please post your entire network configuration.

I am unsure if this relates to your EVPN and IPv6 issues, but we found that the SDN VXLAN does not support IPv6 peers. We have submitted a bug report: https://bugzilla.proxmox.com/show_bug.cgi?id=5398

Ah! That is much clearer. Thank you for the additional info. I would do something like the following -- keeping in mind that I only know what you have provided, and there are likely things about your environment that I do not know. You will need to decide how to use this information. One port...

Hi @babis430 We may have some confusion. My understanding from your original post is you presented eight vNICs from your UCS fabric interconnect to the blade server. eno1 eno2 eno3 eno4 ens210 ens211 ens610 ens611 Is this correct? Are these 10 Gbps connections? Also, I believe you said your...

If you have adequate backups, save yourself the trouble of upgrading and do a fresh install right to PVE 8.x

If you are delivering all traffic to the blade tagged, you will need to create a tagged interface for the management VLAN. The PVE Network docs explain: https://pve.proxmox.com/wiki/Network_Configuration If the traffic is untagged but on the wrong NIC, use the console to switch it in the...

On a Cisco UCS, you will not use or need LACP for the bonds. Look at something like “balance-alb”. Each of the four LAG member ports will go into a bond together. For example, if enoX are in a LAG and ensX are in a LAG, enoX will go to bond0 and ensX will go to bond1. If all your traffic is...

The vzdump backup will include any data in the VM that has been written to disk. The backup does not guarantee consistency for things like databases which may still have data in memory. The backup will be a single file on your NAS that can be restored to another PVE installation. Having the...