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13.2.3.1
Gateway to gateway
Connection mode: Here, gateway to gateway is selected.
Remote end
Gateway address (domain name): The address of the remote gateway address (or domain
name) of the IPSec tunnel. When set to a domain name, a DNS server needs to be configured
on the device, and then the device will periodically resolves the domain name. If the IP
address is changed, the device will renegotiate the IPSec tunnel again.
Intranet address: Any IP address of the Intranet protected at the remote end of the IPSec
tunnel, if the remote end is a mobile single user, then fill in the IP address of the device.
Network mask: The subnet mask of the Intranet protected at the remote end of the IPSec
tunnel, if the remote end is a mobile single user, then fill in 255.255.255.255.
Local
Local binding: Select the type of local interfaces, which can be an Ethernet interface or PPTP
dial-up interface. If the IPSec tunnel is configured to be bound to the interface, then all
packets passing through the interface will be checked by IPSec to determine whether the
packet is subject to encryption and decryption operations.
Intranet address: Any IP address of Intranet locally protected.
http://www.level1.com
Figure 13_16 Gateway to gateway
Chapter 13 VPN
Page 164
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