the ID of the gateway.
Loopback interface is a logic and virtual interface on gateway. Under default conditions,
there's no loopback interface on gateway, but it can be created as required.
Figure 3-3-1-5
Apart from the IP above, user can configure other IP
addresses.
Table 3-3-1-5 Loopback Parameters
3.3.2 VPN
Virtual Private Networks, also called VPNs, are used to securely connect two private
networks together so that devices can connect from one network to the other network via
secure channels.
UG63 supports DMVPN, IPsec, GRE, L2TP, PPTP, OpenVPN, as well as GRE over IPsec and
L2TP over IPsec.
3.3.2.1 DMVPN
A dynamic multi-point virtual private network (DMVPN), combining mGRE and IPsec, is a
secure network that exchanges data between sites without passing traffic through an
organization's headquarter VPN server or gateway.