Quick Reference Guide

Reference Guide for the Model RT338 ISDN Router

5-22 Using FirstGear to Configure Internet Access

Authentication Use this field to set the authentication protocol used for outgoing calls.

The router supports two authentication protocols: PAP (Password Authentication

Protocol) and CHAP (Challenge Handshake Authentication Protocol).

PAP sends the user’s name and password in plain text. CHAP scrambles

the password before it is sent over the wire. Options for this field are:

• CHAP/PAP—The router tries CHAP when CHAP is requested by the remote

node or PAP when PAP is requested by the remote node. (Default)

• CHAP—Use CHAP only.

• PAP—Use PAP only.

Incoming: This parameter group controls access on incoming calls from this remote node.

This group is used only if Call Direction is set to Incoming or Both.

router. The Login Name in this field combined with the Login Password is used

to authenticate the incoming calls from this node.

Password In this field, enter the Password used when this remote node calls your router.

Calling Line ID Enter the telephone number of the remote node. If you have selected the CLID

Enable field in the Dial-in tab, the router checks this number against the CLID

presented with the incoming call. If the incoming caller’s number does not match,

the router rejects the call. This field is active only if Call Direction is set to either

Both or Incoming. You must request CLID from the telephone company for your

ISDN line in order for this feature to work.

I will callback Use this check box to set whether the router calls back after receiving a call from

this remote node. If callback is enabled, the router disconnects the initial call

from this remote node and calls it back at the Outgoing Primary Dial Number

(see page 5-17). Callback is only available if Call Direction is set to Both.

Idle Timeout Use these radio buttons and the text box to configure how long the router

maintains an idle connection. Your options are:

• Never—The router dials this remote node automatically upon bootup and does

not drop the call. If the call is dropped by the far end, the router immediately

redials.

• Yes—The router drops the connection after the number of seconds speciﬁed in

the text box.

Block

NetBEUI-initiated

Calls

Check this box to prevent Windows NetBIOS name service trafﬁc from causing

the router to place ISDN phone calls. Speciﬁcally, it ﬁlters TCP and UDP packets

to the three NetBIOS Name Service ports, ports 137 through 139. The ﬁlter is

applied as a Call Filter, meaning it is be used to determine whether or not a call

is placed.

PPP Detail Opens the PPP Detail Tab

TCP/IP Detail Opens the TCP/IP Detail Tab

Table 5-7. Remote Node Tab Fields (continued)

Field Description

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