Version 3.0.1 129 July 2010
MP-20x Telephone Adapter 11. VLAN and Bridge Settings
Parameter Description
occur if more than one device attempts to communicate using the same
port.
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 device 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 Internal 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 Internal' 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.
11.1.4 Advanced Tab
Your Telephone Adapter’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 device's security features, refer to
Section 5.
Figure 11-10: Internet Connection Firewall
You can add alias names (additional IP addresses) to the Telephone Adapter by clicking
the 'New IP Address' link. This enables you to access the device using these aliases in
addition to 192.168.1.1 and http://MP-20x.home.
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