Proxmox 4Gbit/s HA Networking with two Dual-Port NICs and VLAN-enabled Bonding to distinct Switches

Lately we've setup a new Proxmox 4.4 Server. For this we upgraded our former ESXi 5.5 Host with more RAM, a RAID-10 Array (from RAID-1 w. Hot-Spare) and two Dual-Port 1Gbit/s NICs (therefore 4x 1Gbit/s in 2 PCIe Cards with Intel I350 Chipset) from two Single-Port…