load balance virtual machines

I'm interested in configuring high availability but I couldn't find information about how it works with different hardware configurations. I have a really beefy main server, and my other servers that would be in the 3 HA node aren't as powerful. 128 Cores 4 TB of RAM 44 Cores 1 TB of RAM 88...

My Proxmox host has multiple NICs and I can make changes to the physical networking if required. I have used VmWare earlier but I am new to Proxmox & KVM, thus also challenged with the virtual networking in this environment. Here's what I am trying to achieve: Setup 2 virtual machines, both...