Netopia 3346N-ENT User Guide (en)

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4-6  Firmware User Guide
Support for Yahoo Messenger
Netopia Firmware Version 8.6.1 provides Application Level Gateway (ALG) suppor t for Yahoo Messenger. This 
allows Yahoo Messenger users to exchange files, even when both users are behind NAT. Previously, the file 
transfer function would work only if one or neither of the two users were behind NAT. 
Currently there is a restriction that the remote user must be routed to via the WAN inter face, other wise the 
connections will fail. There is no restriction as to the number of connections.
There is no user configuration required for this feature.
MultiNAT Configuration
You configure the MultiNAT features through the Telnet menu:
For a simple 1-to-many NAT configuration (classic NAT or PAT), use the 
described below.
For the more advanced features, such as ser ver lists and dynamic NAT, follow the instructions in:
, described on 
Easy Setup Profile configuration
The screen below is an example. Depending on the type of Router you are using, fields displayed in this screen 
may var y.
The Local WAN IP Address is used to configure a NAT public address range consisting of the Local WAN IP 
Address and all its por ts. The public address map list is named Easy-PAT List and the por t map list is named 
Easy-Ser vers.
                   Connection Profile 1: Easy Setup Profile
         Underlying Encapsulation...        None
         PPP Mode...                        VC Multiplexed
         PPP Authentication...              PAP
         Send User Name:        tonyf
         Send Password:         ********************
         Address Translation Enabled:       Yes
         IP Addressing...                   Numbered
         Local WAN IP Address:              0.0.0.0
         Local WAN IP Mask:                 0.0.0.0
         Remote IP Address:                 127.0.0.2
         Remote IP Mask:                    255.255.255.255
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Enter basic information about your WAN connection with this screen.