ACCESS GATEWAY
20 Introduction
Load Balancing
Load balancing is available as an optional module. See “Load Balancing and Link Failover” on
page 33 for a more complete description and typical use cases.
Logout Pop-Up Window
As an alternative to the ICC, the NSE delivers a HTML-based pop-up window with the
following functions:
Provides the opportunity to display a single logo.
Displays the session’s elapsed/count-down time.
Presents an explicit Logout button.
See also, “Information and Control Console” on page 18.
MAC Filtering
MAC Filtering enhances Nomadix' access control technology by allowing system
administrators to block malicious users based on their MAC address. Up to 50 MAC addresses
can be blocked at any one time. See also, “Session Rate Limiting (SRL)” on page 25.
Multi-Level Administration Support
The NSE allows you to define 2 concurrent access levels to differentiate between managers and
operators, where managers are permitted read/write access and operators are restricted to read
access only.
Once the logins have been assigned, managers have the ability to perform all write commands
(Submit, Reset, Reboot, Add, Delete, etc.), but operators cannot change any system settings.
When Administration Concurrency is enabled, one manager and three operators can access the
Access Gateway platform at any one time.
Multi-WAN Interface Management
The NSE supports multiple independently configurable WAN interfaces, to optimize ISP
resource allocation, and provide load balancing (optional), fail-over and upsell capabilities.
NTP Support
The NSE supports Network Time Protocol (NTP), an Internet standard protocol that assures
accurate synchronization (to the millisecond) of computer clock times in a network of
computers. NTP synchronizes the client’s clock to the U.S. Naval Observatory master clocks.
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