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Prestige 128MH PSTN Router/Hub
Remote Node Configuration 4-9
Table 4-1. Remote Node Profile Menu Fields for Dial-up Lines (continued)
Field Description Options
Session Option:
Idle Timeout (sec)
This value specifies the number of idle seconds that
elapses before the remote node is automatically
disconnected. Idle seconds is the period of time when
no data is transmitted from your Prestige. Administrative
packets such as RIP are not counted as data. The
default is 300 seconds (5 minutes).
Default=300sec
Once you have completed filling in Menu 11.1.1 – Remote Node Profile, press [Enter] at the message
[Press ENTER to Confirm…] to save your configuration, or press [Esc] at any time to cancel.
4.1.2 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.
4.1.3 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. The bundle works best when the
member links are of the same type of call (e.g., POTS vs. ISDN) and at approximately the same
speed.
Due to the fragmentation/reconstruction overhead associated with MP, you may not get a linear
increase in throughput when a link is added. The overhead becomes more significant as the
number of links increases; thus bundling more than 2 links is not recommended, because of the
rapidly diminishing return for the subsequent links.
The number of links in an MP bundle can be statically configured, or dynamically determined at
runtime, as explained in the following section.