Netbios, Ipx spoofing, Ipx setup – Netopia Router PN Series User Manual
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5-4
Reference Guide
NetBIOS
NetBIOS is a protocol that per forms tasks related to the Transport 
and Session layers of the OSI model. It can operate over IPX, using 
a special broadcast packet known as “IPX Packet type 20” to 
communicate with IPX NetBIOS servers.
IPX Spoofing
Applicable only to ISDN
switched lines
The Netopia has several IPX features designed to restrict the traffic 
on the ISDN link when the unit is not sending or receiving IPX data. 
When the link is idle and a user is logged into a Novell server, the 
server will send “keep alive” packets to ensure the user is still 
there. If the link is idle, the “keep alive” packets will be sent back to 
the server by the locally connected Netopia router as though they 
came back from the user without bringing up the ISDN link.
Similarly, “SPX keep alive” packets are treated in this manner. IPX 
RIP, and SAP messages will not be sent if the link is down. Together 
these features enable the user to remain connected to a Novell 
server or SPX peer without bringing up the ISDN link, except to send 
and receive actual user data.
IPX setup
The IPX Setup screen is where you configure the Ethernet side of 
the Netopia Router. The information you enter here controls how the 
Router routes IPX traffic.
Consult your network administrator for the IPX setup information you 
will need before changing any of the settings in this screen. 
Changes made in this screen will take effect only after the Netopia 
Router is reset.
Main
Menu
Advanced
General
IP Options
Network
Protocols
Setup
IPX Setup
Configuration
