ZyXEL Communications NBG420N - Manual (Page 191)

Chapter 15 IPSec VPN
NBG420N User’s Guide
191
The following figure depicts an example where one VPN tunnel is created from an NBG420N
at branch office (B) to headquarters (HQ). In order to access computers that use private
domain names on the HQ network, the NBG420N at B uses the Intranet DNS server in
headquarters.
Figure 116 Private DNS Server Example
"
If you do not specify an Intranet DNS server on the remote network, then the
VPN host must use IP addresses to access the computers on the remote
private network.
HQ
10.1.1.1/200
Intranet DNS
10.1.1.10
ISP
DNS Servers
212.54.64.170 212.54.64.171
LAN
DNS: 212.51.61.170
212.54.64.171
B