ZyWALL User's Guide

Chapter 10 Interface
ZyWALL USG 100/200 Series User’s Guide
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" You must connect an external modem to use the auxiliary port.
The ZyWALL uses the auxiliary interface to dial out in two situations.
1 You click the Connect icon on the ZyWALL Status screen.
2 The load auxiliary interface must connect to satisfy load-balancing requirements. You
have to add the auxiliary interface to a trunk first.
When the ZyWALL hangs up the call, it drops the Data Terminal Ready (DTR) signal and
issues the command
ATH.
Use the Auxiliary screen to configure the ZyWALL’s auxiliary interface. Click Network >
Interface > Auxiliary to open it. (See also Section 43.11 on page 699 for more on using the
auxiliary interface for dial-in management.)
Figure 184 Network > Interface > Auxiliary
Each field is described in the table below.
Table 81 Network > Interface > Auxiliary
LABEL DESCRIPTION
General Settings
Enable Interface Select this to turn on the auxiliary dial up interface. The interface does not dial
out, however, unless it is part of a trunk and load-balancing conditions are
satisfied.
Interface Properties
Zone This field is read-only and displays the zone to which the auxiliary interface
belongs.
Description Enter a description of this interface. It is not used elsewhere. You can use
alphanumeric and
()+/:=?!*#@$_%- characters, and it can be up to 60
characters long.