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P-334U/P-335U User’s Guide
Chapter 13 IPSec VPN 167
See the following table and figure for an example where three telecommuters each use a
different VPN rule for a VPN connection with a ZyXEL Device located at headquarters. The
ZyXEL Device at headquarters (HQ in the figure) identifies each incoming SA by its ID type
and content and uses the appropriate VPN rule to establish the VPN connection.
The ZyXEL Device at headquarters can also initiate VPN connections to the telecommuters
since it can find the telecommuters by resolving their domain names.
Figure 98 Telecommuters Using Unique VPN Rules Example
Table 58 Telecommuters Using Unique VPN Rules Example
TELECOMMUTERS HEADQUARTERS
All Telecommuter Rules: All Headquarters Rules:
My ZyXEL Device 0.0.0.0 My ZyXEL Device: bigcompanyhq.com
Remote Gateway Address: bigcompanyhq.com Local Network - Single IP Address: 192.168.1.10
Remote Network - Single IP Address:
192.168.1.10
Local ID Type: E-mail
Peer ID Type: E-mail Local ID Content: bob@bigcompanyhq.com
Peer ID Content: bob@bigcompanyhq.com
Telecommuter A (telecommutera.dydns.org) Headquarters ZyXEL Device Rule 1:
Local ID Type: IP Peer ID Type: IP
Local ID Content: 192.168.2.12 Peer ID Content: 192.168.2.12
Local IP Address: 192.168.2.12 Remote Gateway Address:
telecommutera.dydns.org
Remote Address 192.168.2.12
Telecommuter B (telecommuterb.dydns.org) Headquarters ZyXEL Device Rule 2:
Local ID Type: DNS Peer ID Type: DNS
Local ID Content: telecommuterb.com Peer ID Content: telecommuterb.com
Local IP Address: 192.168.3.2 Remote Gateway Address:
telecommuterb.dydns.org
Remote Address 192.168.3.2