ACCESS GATEWAY
140 System Administration
Two subsequent events drive the secure management function of the Nomadix gateway and the
devices behind it:
1. Establishing an IPSec tunnel to a centralized IPSec termination server (for example, Nortel
Contivity). As part of the session establishment process, key tunnel parameters are
exchanged (for example, Hash Algorithm, Security Association Lifetimes, etc.).
2. The exchange of management traffic, either originating at the NOC or from the edge
device through the IPSec tunnel. Alternatively, AAA data such as RADIUS Authentication
and Accounting traffic can be sent through the IPSec tunnel. See also, “Defining
Automatic Configuration Settings {Auto Configuration}” on page 66.
This procedure allows system administrators to establish the peer-to-peer IPSec connection.
Basic IPSec parameters must be entered by the system administrator to successfully establish
the VPN session.
We recommend that you create different private subnets behind the VPN
termination device and the Access Gateway.
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