
Configuring RADIUS
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Using IP and IPX Unnumbered Protocols for PPP Connections
The RADIUS client supports IP and IPX unnumbered interfaces, meaning that the
circuit’s interface address is 0.0.0.0. All remote users that dial in to the same slot
on the client receive the same unnumbered protocol configuration.
The unnumbered circuit interface eliminates the need for a unique circuit
configuration for each remote user in a network. Therefore, an unnumbered circuit
interface reduces the configuration effort and the number of IP addresses that you
use for a large network. The client can activate any available circuit for an
incoming call because there is no specific address assigned to the circuit.
When you configure accounting for a router slot, Site Manager automatically
configures the dial-up circuits required for the client to accept calls from the
remote user. You are responsible for configuring only the unnumbered circuit
interfaces. If you use an FTP Telnet session, this configuration is unnecessary.
In addition to configuring unnumbered circuit interfaces, we recommend that you
enable IP or IPX triggered updates for the RADIUS client. The client uses
triggered updates to provide its local area network (LAN) with routing
information from the remote router. See Configuring IP, ARP, RARP, RIP, and
OSPF Services or Configuring IPX Services for more information about triggered
updates.
Using Dial VPN Services with Multilink PPP Accounting
The Dial VPN Services (DVS) feature reports multilink PPP (Point-to-Point
Protocol) usage to the RADIUS accounting server. Nortel Networks enables this
feature by default.
Prior to BayRS Version 14.00, DVS only reported one session per multilink
bundle to the RADIUS accounting server. Now, DVS reports one session per link,
so that as links are added or removed from a multilink bundle, the RADIUS
accounting server at the customer site receives accounting messages.
Note:
Unlike the circuit’s address, the RADIUS client’s address is a numbered
address.
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