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Port – The port number for the Radius server. The standard port
number specified by RFC 1700 is 1812 (shown above).
Key – This is a shared secret used to identify the router as a valid
Radius client.
The Radius authentication service works for dial-in users only. Thus,
when Radius is enabled, passwords for dial-in users will no longer be
checked in the dial-in user profile. Instead, the authentication request
will be passed on to the Radius server. Remote networks (routers)
dialing into the router will still be authenticated using the remote
network profile.
Multi-Link PPP Configuration
Multi-link PPP (MLPPP) is a standard (RFC 1990 and RFC 1717) for
inverse multiplexing, a method of combining individually dialed channels
into a single, higher speed data stream. MLPPP is an extension of PPP
that supports the ordering of data packets across multiple channels.
Although MLPPP can be implemented on any WAN device, it was the
rapid emergence of ISDN BRI as a cost efficient higher bandwidth
alternative to modems which has driven the evolution and acceptance of
MLPPP. Typically MLPPP is used to combine the speed of two ISDN
BRI B-Channels to get 128Kbps of virtual capacity.
Before implementing MLPPP on the DI-206, please ensure that your
ISP or the device to which you are connecting supports, and is
configured for MLPPP.
MLPPP can be implemented in two ways, dynamically through the use
of the Bandwidth on Demand (BOD), and statically. BOD causes the
second ISDN port to place a call and add bandwidth to the ISDN
Configuration and Management
DI-206 ISDN Remote Router
105
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