BinTec X4000, Руководство пользователя

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238 X4000 User’s Guide
Advanced Configuration of the Basic Unit with the Setup Tool
8
If all PCs in the LAN at the branch office were inactive, a connection to the head
office is not set up automatically as soon as one of the PCs to be monitored is
switched on. The interface to the "head office" WAN partner is not activated, i.e.
a connection cannot be set up to the head office, until X4000 has registered that
a PC can be reached. The amount of time that expires before X4000 indicates
that a PC can be reached again depends on the monitoring interval set
(Interval).
In some countries (e.g. Switzerland), costs may still occur for these useless
dial-in attempts in spite of using Keepalive Monitoring.
The corresponding WAN partner, i.e. the head office, should be identifiable in
X4000 via CLID (Calling Line Identification). If this is not the case, Keepalive
Monitoring may not function.
If Keepalive Monitoring is configured in X4000 for WAN partners that are
authenticated over a RADIUS server, Keepalive Monitoring does not function.
This means the relevant unnecessary connections cannot be prevented in this
way.