Working with VPNs
Securing controller communications to remote VPN servers
16-6
2. In VPN address pool, for Address allocation select either Use static IP addresses or
Use external DHCP server.
For Use static IP addresses, define a sequential pool of addresses by specifying the
Starting IP address and Max connections. For example a Starting IP address of
7.1.1.2 and a Max connections of 50, will yield a pool of IP addresses in the range
7.1.1.2 through 7.1.1.51.
For Use external DHCP server, specify settings that correspond to your external
DHCP server configuration. Set Use port to the controller port that will send out
DHCP requests.
3. Select Save.
See the online help for option descriptions.
Securing controller communications to
remote VPN servers
To secure the communications between the controller and remote VPN servers, create a VPN
tunnel from the controller to the remote VPN server.
The sample topology seen earlier serves as an example for the sample configurations that
follow. In this example, the controller Internet port has an IP address of 21.1.14, the remote
VPN server is at 3.1.1.2, and the secure resource is at 10.0.0.2.
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