Universal Plug And Play (Upnp) - Option Audio GlobeSurfer 3G Reference Manual

6.15 Universal Plug and Play (UPnP)

latexTo access the UPnP settings perform the following:
1. Click Universal Plug and Play on the Advanced screen of the management
console. The Universal Plug and Play settings screen will be displayed (see
figure 6.46).
Figure 6.46: Universal Plug and Play
2. Check the Allow other network users to control GlobeSurfer 3G´ s setwork fea-
tures checkbox, to enable the UPnP feature. This will enable you to define
UPnP services on any of the LAN hosts.
3. Check the Enable automatic cleanup of old unused UPnP services checkbox,
to enable automatic cleanup of invalid rules. When enabled, this feature
checks validity of all the UPnP services and rules every 5 minutes. Any
UPnP defined service which is found to be old and not in use, is removed,
unless any user defined rule (see Security screen) depends on it. This
feature is disabled by default.
Since there is a limitation on the maximum number of UPnP defined ser-
vices to 256, you should want to enable the cleanup feature if you might
exceed this limit.
In which case might the limit be exceeded? UPnP services are not deleted
when disconnecting a computer without proper shutdown of the UPnP
application (e.g. messenger). Thus, if you are running a boingo, services
may often not be deleted, and will eventually lead to exhaustion of rules
and services, and no new services could be defined. In this scenario the
cleanup feature will find the services which are no longer valid and will
remove them, preventing services exhaustion.
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