> What about non-free? Do you mean Juniper's JunOS (FreeBSD based), Arista's EOS (Fedora based), or Cisco's NX-OS, IOS-XE, and IOS-XR (Wind River Linux based)?

> What about non-free? Do you mean Juniper's JunOS (FreeBSD based), Arista's EOS (Fedora based), or Cisco's NX-OS, IOS-XE, and IOS-XR (Wind River Linux based)? Those are all non-free BGP stacks from what I know. Or perhaps you meant something you can load onto a regular old Linux/BSD distribution.