ZyXEL P-202H User Guide - Page 138
Telecommuters Using Unique VPN Rules Example
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P-202H Plus v2 User's Guide Figure 58 Telecommuters Sharing One VPN Rule Example 11.16.2 Telecommuters Using Unique VPN Rules Example With aggressive negotiation mode (see Section 11.10.1 on page 127), the ZyXEL Device can use the ID types and contents to distinguish between VPN rules. Telecommuters can each use a separate VPN rule to simultaneously access a ZyXEL Device at headquarters. They can use different IPSec parameters (including the pre-shared key) and the local IP addresses (or ranges of addresses) can overlap. See the following graphic for an example where three telecommuters each use a different VPN rule to initiate a VPN connection to a ZyXEL Device located at headquarters. The ZyXEL Device at headquarters identifies each by its secure gateway address (a dynamic domain name) and uses the appropriate VPN rule to establish the VPN connection. 137 Chapter 11 VPN Screens
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