AudioCodes MediaPack MP-201B, Руководство пользователя, Страница: 109 / 270

Version 3.0.1 109 July 2010
MP-20x Telephone Adapter 10. WAN Settings
Parameter Description
Routing Mode Select one of the following Routing modes:
Route Use route mode if you want your Telephone Adapter to function as a
router between two networks.
NAPT
Network Address and Port Translation (NAPT) refers to network
address translation involving the mapping of port numbers, allowing
multiple machines to share a single IP address. Use NAPT if your
LAN encompasses multiple devices, a topology that necessitates
port translation in addition to address translation.
Device Metric The device metric is a value used by the Telephone Adapter to determine
whether one route is superior to another, considering parameters such as
bandwidth, delay, and more.
Default Route Select this check box to define this device as a the default route.
Multicast - IGMP
Proxy Default IGMP proxy enables the system to issue IGMP host messages on behalf of
hosts that the system discovered through standard IGMP interfaces. IGMP
proxy enables the routing of multicast packets according to the IGMP requests
of LAN devices asking to join multicast groups. Select the 'Multicast IGMP
Proxy Default' check-box to enable this feature.
Routing Table Allows you to add or modify routes when this device is active. Use the New
Route button to add a route or edit existing routes.
10.1.3 Advanced Tab
The Advanced tab is shown below: .
Figure 10-6: Internet Connection Firewall
Internet Connection Firewall: Your MP-20x’s firewall helps protect your computer by
preventing unauthorized users from gaining access to it through a network such as the
Internet. The firewall can be activated per network connection. To enable the firewall on
this network connection, select the 'Enabled' check box. For detailed information on your
Telephone Adapter's security features, refer to 'Security' on page
177.
Additional IP Addresses: You can add alias names (additional IP addresses) to MP-20x
by clicking the New IP Address link. This enables you to access MP-20x using these
aliases in addition to the 192.168.1.1 and the http://mp202.home .