− | <li><b>Tunnel</b> - protects internal routing information by encapsulating the entire IP packet (IP header and payload); is commonly used in site-to-site VPN connections; supports NAT traversal.</li> | + | <li><b>Tunnel</b> - protects internal routing information by encapsulating the entire IP packet (IP header and payload); commonly used in site-to-site VPN connections; supports NAT traversal.</li> |
− | <li><b>Transport</b> - only encapsulates IP payload data; is use client-to-site VPN connections; does not support NAT traversal; usually implemented with other tunneling protocols (for example, L2TP).</li> | + | <li><b>Transport</b> - only encapsulates IP payload data; used in client-to-site VPN connections; does not support NAT traversal; usually implemented with other tunneling protocols (for example, L2TP).</li> |