Unified Services Router
User Manual
24
Configure the following settings to use UPnP:
Advertisement Period: This is the frequency that the router broadcasts UPnP
information over the network. A large value will minimize network traffic but
cause delays in identifying new UPnP devices to the network.
Advertisement Time to Live: This is expressed in hops for each UPnP packet. Th is
is the number of steps a packet is allowed to propagate before being discarded.
Small values will limit the UPnP broadcast range. A default of 4 is typical for
networks with few switches.
Figure 9: UP nP Conf iguratio n
UPnP Port map Table
The UPnP Port map Table has the details of UPnP devices that respond to the router‘s
advertisements. The following information is displayed for each detected device:
Active: A yes/no indicating whether the port of the UPnP device that established a
connection is currently active
Protocol: The network protocol (i.e. HTTP, FTP, etc.) used by the DSR
Int. Port (Internal Port): The internal ports opened by UPnP (if any)
Ext. Port (External Port): The external ports opened by UPnP (if any)
IP Address: The IP address of the UPnP device detected by this router
Click Refresh to refresh the portmap table and search for any new UPnP devices.
Содержание DSR-500
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Страница 86: ...Unified Services Router User Manual 84 Figure 52 Protecting the router and LAN from internet attacks...
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