Config VyOS:
set interfaces openvpn vtun5001 local-address 203.0.113.1 set interfaces openvpn vtun5001 mode 'site-to-site' set interfaces openvpn vtun5001 remote-address '192.0.2.5' set interfaces openvpn vtun5001 shared-secret-key 'ovpn_test' set pki openvpn shared-secret ovpn_test key '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' set pki openvpn shared-secret ovpn_test version '1'