Zyxel-communications PRESTIGE 128MH User Manual download pdf (Page 86)

Prestige 128MH PSTN Router/Hub

4-14 Remote Node Configuration

Table 4-2. Remote Node PPP Options Menu Fields (continued)

Field Description Option

Add Persist This parameter specifies the number of seconds

where traffic is above the adding threshold before

the Prestige will bring up the second link.

Default = 5 sec

Subtract Persist This parameter specifies the number of seconds

where traffic is below the subtraction threshold

before your Prestige drops the second link.

Default = 5 sec

Once you have completed filling in Menu 11.2 - Remote Node PPP Options, press [Enter] at the

message [Press ENTER to Confirm…] to save your configuration, or press [Esc] at any time to cancel.

4.1.6 Editing Login Script

For some remote gateways, text login is required before PPP negotiation is started. The Prestige

provides a script facility for this purpose. The script has six programmable sets; each set is

composed of an ‘Expect’ string and a ‘Send’ string. After matching a message from the server to

the ‘Expect’ field, the Prestige returns the set’s ‘Send’ string to the server.

For instance, a typical login sequence starts with the server printing a banner, a login prompt for

you to enter the user name and a password prompt to enter the password:

Welcome to Acme, Inc.

Password:

To handle the first prompt, you specify “ogin: ” as the ‘Expect’ string and “myLogin” as the

‘Send’ string in set 1. The reason for leaving out the leading “L” is to avoid having to know

exactly whether it is upper or lower case. Similarly, you specify “word: ” as the ‘Expect’ string

and your password as the ‘Send’ string for the second prompt in set 2.

You can use two variables, $USERNAME and $PASSWORD (all UPPER case), to represent the actual

user name and password in the script, so they will not show in the clear. They are replaced with

the outgoing login name and password in the remote node when the Prestige sees them in a

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Zyxel-communications PRESTIGE 128MH User Manual Page 86