Virtual Private Networks (VPN)
Virtual Private Networks (VPNs) are used to securely connect two private networks together so that
devices can connect from one network to the other using secure channels.
This chapter contains the following topics:
IPsec 309
OpenVPN 375
Generic Routing Encapsulation (GRE) 418
Dynamic Multipoint VPN (DMVPN) 440
L2TP 448
L2TPv3 Ethernet 459
NEMO 465
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