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VPN Tunnel to the Enterprise Headquarters over an LTE Link
An enterprise branch can dial up to the Internet through an LTE link and set up a tunnel with the headquarters using such VPN technologies as Generic Routing Encapsulation (GRE), Layer 2 Tunneling Protocol (L2TP), and Internet Protocol Security (IPSec) VPN. This tunnel allows the enterprise branch to communicate with the headquarters in a fast, secure, and efficient way.
In Figure 12-8, an enterprise branch dials up to the Internet through an LTE link and sets up an IPSec VPN tunnel with the headquarters. The tunnel protects traffic between the enterprise branch and the headquarters.
