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Appendix K: Configuring NAT Traversal
Configuring Scenario 2
4-Port SSL/IPSec VPN Router
Configuring Scenario 2
In this scenario, Router B is the RVL200 Initiator, while Router A is the RVL200 Responder. Router B will have the
Remote Security Gateway IP address set to a public IP address that is associated with the WAN IP address of
Router A, which is behind the NAT. Hence the public IP address (192.168.99.1) must be mapped to the WAN IP
address (192.168.11.101, a private IP address) of Router A through the two one-to-one NAT rules:
•
192.168.99.1
=
> 192.168.111.11 (on NAT 2)
•
192.168.111.11
=
> 192.168.11.101 (on NAT 1)
Configuring the One-to-One NAT Rules
The one-to-one NAT rules must be configured on NAT 2 - RV042 and
NAT 1 - RVO42.
One-to-One NAT Rule on NAT 2 - RV042
192.168.99.1
=
> 192.168.111.11
Refer to the documentation of the 10/100 4-Port VPN Router
(model number: RV042) for more details about one-to-one NAT rules.
One-to-One NAT Rule on NAT 1 - RV042
192.168.111.11
=
> 192.168.11.101
Configuring Router B
Set the Remote Security Gateway to IP address: 192.168.99.1, which is
the one-to-one NAT IP address used by NAT 2 - RV042.
Follow these instructions for Router B.
1. Launch the web browser for a networked PC, designated PC 2.
2. Access the Web-based Utility of the Router B.
(Refer to “Chapter 5: Setting Up and Configuring the Router” for details.)
3. Click the
IPSec VPN
tab.
Figure K-4: Traffic in Scenario 2
192.168.2.100
LAN: 192.168.2.0/24
LAN: 192.168.111.1
NAT 2 - RV042
WAN: 192.168.99.11
WAN: 192.168.99.22
Router B -
RVL200 Initiator
NAT 1 - RV042
LAN: 192.168.1.11.1
WAN: 192.168.11.101
LAN: 192.168.1.0/24
Router A - RVL200 Responder
192.168.1.101
Both the IPSec initiator and responder must
support the mechanism for detecting the NAT
router in the path and changing to a new
port, as defined in RFC 3947.
NAT 2
: Enable 1-1 NAT 192.168.99.1=>192.168.111.11
NAT 1
: Enable 1-1 NAT 192.168.111.11=>
192.168.11.101
WAN: 192.168.111.101
Содержание RVL200
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