https://techdocs.f5.com/en-us/bigip-14-1-0/big-ip-tmos-tunneling-and-ipsec-14-1-0/securing-etherip-tunnel-traffic-with-ipsec.html
Securing EtherIP Tunnel Traffic with IPsec
securingetheriptunneltrafficipsec
https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-tmos-tunnels-ipsec-11-6-0/3.html
Configuring an EtherIP Tunnel
configuringetheriptunnel