I have an ISDN router – should I install the TunnelBuilder for LAN or Remote?
Most ISDN Routers (such as Farallon’s Netopia, Cisco’s 700, etc.) usually consist of several LAN ports in a hub with 1 BRI port for making ISDN dialout connections. In this case, the router’s BRI port manages the dialup connection when it gets an IP packet destined beyond its subnet mask the same way a normal gateway would do. The client does not need any connection-based dialup software to call out. Thus the LAN based TunnelBuilder is sufficient, and the Gateway IP address for the TunnelBuilder client would be the address for the ISDN router. An ISDN Router is different from an ISDN Modem (such as 3Com Impact or Motorola Bit Surfer Pro). The ISDN Modems connect with a serial port, and require the dialup software to be installed on the client. For these modems you would use TunnelBuilder for Remote.
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