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Prestige 202H User's Guide
8.3
Outgoing Authentication Protocol
Generally speaking, you should employ the strongest authentication protocol possible, for obvious reasons.
However, some vendor's implementation includes specific authentication protocol in the user profile. It will
disconnect if the negotiated protocol is different from that in the user profile, even when the negotiated
protocol is stronger than specified. If you encounter the case where the peer disconnects right after a
successful authentication, please make sure that you specify the correct authentication protocol when
connecting to such an implementation.
8.4
PPP Multilink
The Prestige uses the PPP Multilink Protocol (PPP/MP) to bundle multiple links in a single connection to
boost the effective throughput between two nodes.
Due to the fragmentation/reconstruction overhead associated with MP, you may not get a linear increase in
throughput when a link is added.
The number of links in an MP bundle can be statically configured, or dynamically determined at runtime, as
explained in the following section.
8.5
Bandwidth on Demand
The Bandwidth on Demand (BOD) feature adds or subtracts links dynamically according to traffic demand.
After the initial call, the Prestige uses BAP (Bandwidth Allocation Protocol) to ask the peer for additional
telephone number if BACP (Bandwidth Allocation Control Protocol) is negotiated. Otherwise, the Prestige
uses the statically configured (primary and secondary) telephone numbers of the remote node.
The configuration of bandwidth on demand focuses on the Base Transmission Rate (BTR) and the Maximum
Transmission Rate (MTR). The relationship between BTR and MTR are shown in the following table:
8-6
Remote Node Configuration
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