Adding a virtual bridge

We have seen the networking components used in Proxmox; we went through the configuration file and saw how those components come together. We are now going to create a new virtual bridge for our cluster. We will use this bridge to create an isolated network later on in this book. Perform the following steps to create a virtual bridge in Proxmox:

  1. Securely log in to the node pmxvm01.
  2. Open the interface file # nano /etc/network/interfaces using an editor.
  3. Add the following lines at the end of the file:
    auto vmbr200
    iface vmbr1 inet static
            bridge_ports none
            bridge_stp off
            bridge_fd 0
  4. Save the file and exit the editor
  5. Activate the bridge from the CLI using the following command:
    # ifup vmbr200
    
  6. Do the same for the second node pmxvm02 …
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