ZyXEL Communications ZyWALL Series Support Note page 9

Scenario 3 – Dialing up L2TP VPN connection to
ZyWALL by using iOS/Android mobile device
3.1 Application Scenario
Smart phone become increasingly popular with consumers. Though it brings us much
more convenience, but also brings security concerns. A ZyWALL is compatible with
iOS/Android mobile devices to establish L2TP VPN connection, provide secure and
private mobile data transferring no matter if your mobile devices is behind NAT. In the
following diagram, outside employees need to visit an internal website in Intranet, they
can just dial up L2TP VPN to ZyWALL and access needed internal resource.