Zyxel ZyWALL-USG50 Router Manual PDF (Setup & Configuration Guide)

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Chapter 11 Interfaces

ZyWALL USG 50 User’s Guide

241

The following table describes the labels in this screen.

Table 61

Configuration > Network > Interface > Cellular > Add

LABEL

DESCRIPTION

Show Advance

Settings / Hide

Advance Settings

Click this button to display a greater or lesser number of configuration

fields.

General Settings

Enable

Interface

Select this option to turn on this interface.

Interface

Properties

Interface

Name

Select a name for the interface.

Zone

Select the zone to which you want the cellular interface to belong. The

zone determines the security settings the ZyWALL uses for the

interface.

Extension Slot

This is the USB slot that you are configuring for use with a 3G card.

Connected

Device

This displays the manufacturer and model name of your 3G card if you

inserted one in the ZyWALL. Otherwise, it displays

none

.

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.

Connectivity

Nailed-Up

Select this if the connection should always be up. Clear this to have

the ZyWALL to establish the connection only when there is traffic. You

might not nail up the connection if there is little traffic through the

interface or if it costs money to keep the connection available.

Idle timeout

This value specifies the time in seconds (0~360) that elapses before

the ZyWALL automatically disconnects from the ISP’s server. Zero

disables the idle timeout.

ISP Settings

Profile

Selection

Select

Device

to use one of the 3G device’s profiles of device

settings. Then select the profile (use

Profile 1

unless your ISP

instructed you to do otherwise).

Select

Custom

to configure your device settings yourself.

APN

This field is read-only if you selected

Device

in the profile selection.

Select

Custom

in the profile selection to be able to manually input

the APN (Access Point Name) provided by your service provider. This

field applies with a GSM or HSDPA 3G card. Enter the APN from your

service provider.

Connections with different APNs may provide

different services (such as Internet access or MMS (Multi-Media

Messaging Service)) and charge method.

You can enter up to 63 ASCII printable characters. Spaces are

allowed.

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Dial String

Enter the dial string if your ISP provides a string, which would include

the APN, to initialize the 3G card.

You can enter up to 63 ASCII printable characters. Spaces are

allowed.

This field is available only when you insert a GSM 3G card.

Authentication

Type

The ZyWALL supports PAP (Password Authentication Protocol) and

CHAP (Challenge Handshake Authentication Protocol). CHAP is more

secure than PAP; however, PAP is readily available on more platforms.

Use the drop-down list box to select an authentication protocol for

outgoing calls. Options are:

None:

No authentication for outgoing calls.

CHAP

- Your ZyWALL accepts CHAP requests only.

PAP

- Your ZyWALL accepts PAP requests only.

User Name

This field displays when you select an authentication type other than

None

. This field is read-only if you selected

Device

in the profile

selection. If this field is configurable, enter the user name for this 3G

card exactly as the service provider gave it to you.

You can use 1 ~ 64 alphanumeric and

#:%-_@$./

characters. The first

character must be alphanumeric or

-_@$./

. Spaces are not allowed.

Password

This field displays when you select an authentication type other than

None

. This field is read-only if you selected

Device

in the profile

selection and the password is included in the 3G card’s profile. If this

field is configurable, enter the password for this SIM card exactly as

the service provider gave it to you.

You can use 0 ~ 63 alphanumeric and

`~!@#$%^&*()_-

+={}|;:'<,>./

characters. Spaces are not allowed.

Retype to

Confirm

This field displays when you select an authentication type other than

None

. This field is read-only if you selected

Device

in the profile

selection and the password is included in the 3G card’s profile. If this

field is configurable, re-enter the password for this SIM card exactly

as the service provider gave it to you.

SIM Card Setting

PIN Code

This field displays with a GSM or HSDPA 3G card. A PIN (Personal

Identification Number) code is a key to a 3G card. Without the PIN

code, you cannot use the 3G card.

Enter the 4-digit PIN code (0000 for example) provided by your ISP. If

you enter the PIN code incorrectly, the 3G card may be blocked by

your ISP and you cannot use the account to access the Internet.

If your ISP disabled PIN code authentication, enter an arbitrary

number.

Interface

Parameters

Table 61

Configuration > Network > Interface > Cellular > Add (continued)

LABEL

DESCRIPTION

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Chapter 11 Interfaces

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243

Egress

Bandwidth

Enter the maximum amount of traffic, in kilobits per second, the

ZyWALL can send through the interface to the network. Allowed

values are 0 - 1048576. This setting is used in WAN load balancing

and bandwidth management.

Ingress

Bandwidth

This is reserved for future use.

Enter the maximum amount of traffic, in kilobits per second, the

ZyWALL can receive from the network through the interface. Allowed

values are 0 - 1048576.

MTU

Maximum Transmission Unit. Type the maximum size of each data

packet, in bytes, that can move through this interface. If a larger

packet arrives, the ZyWALL divides it into smaller fragments. Allowed

values are 576 - 1492. Usually, this value is 1492.

Connectivity

Check

The interface can regularly check the connection to the gateway you

specified to make sure it is still available. You specify how often the

interface checks the connection, how long to wait for a response

before the attempt is a failure, and how many consecutive failures are

required before the ZyWALL stops routing to the gateway. The

ZyWALL resumes routing to the gateway the first time the gateway

passes the connectivity check.

Enable

Connectivity

Check

Select this to turn on the connection check.

Check Method

Select the method that the gateway allows.

Select

icmp

to have the ZyWALL regularly ping the gateway you

specify to make sure it is still available.

Select

tcp

to have the ZyWALL regularly perform a TCP handshake

with the gateway you specify to make sure it is still available.

Check Period

Enter the number of seconds between connection check attempts.

Check Timeout

Enter the number of seconds to wait for a response before the

attempt is a failure.

Check Fail

Tolerance

Enter the number of consecutive failures before the ZyWALL stops

routing through the gateway.

Check Default

Gateway

Select this to use the default gateway for the connectivity check.

Check this

address

Select this to specify a domain name or IP address for the

connectivity check. Enter that domain name or IP address in the field

next to it.

Check Port

This field only displays when you set the

Check Method

to

tcp

.

Specify the port number to use for a TCP connectivity check.

Related Setting

Configure WAN

TRUNK

Click

WAN TRUNK

to go to a screen where you can configure the

interface as part of a WAN trunk for load balancing.

Configure

Policy Route

Click

Policy Route

to go to the policy route summary screen where

you can configure a policy route to override the default routing and

SNAT behavior for the interface.

IP Address

Assignment

Table 61

Configuration > Network > Interface > Cellular > Add (continued)

LABEL

DESCRIPTION

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Chapter 11 Interfaces

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244

Get

Automatically

Select this option If your ISP did not assign you a fixed IP address.

This is the default selection.

Use Fixed IP

Address

Select this option If the ISP assigned a fixed IP address.

IP Address

Assignment

Enter the cellular interface’s WAN IP address in this field if you

selected

Use Fixed IP Address

.

Metric

Enter the priority of the gateway (if any) on this interface. The

ZyWALL decides which gateway to use based on this priority. The

lower the number, the higher the priority. If two or more gateways

have the same priority, the ZyWALL uses the one that was configured

first.

Device Settings

Device

Selection

Select the 3G card to use with this entry or select

auto

to have the

ZyWALL automatically detect the type of card.

Band Selection

This field appears if you selected a 3G device that allows you to select

the type of network to use. Select the type of 3G service for your 3G

connection. If you are unsure what to select, check with your 3G

service provider to find the 3G service available to you in your region.

Select

auto

to have the card connect to an available network. Choose

this option if you do not know what networks are available.

You may want to manually specify the type of network to use if you

are charged differently for different types of network or you only have

one type of network available to you.

Select

GPRS / EDGE (GSM) only

to have this interface only use a

2.5G or 2.75G network (respectively). If you only have a GSM

network available to you, you may want to select this so the ZyWALL

does not spend time looking for a WCDMA network.

Select

UMTS / HSDPA (WCDMA) only

to have this interface only

use a 3G or 3.5G network (respectively). You may want to do this if

you want to make sure the

interface does not use the GSM network.

Network

Selection

Home network is the network to which you are originally subscribed.

Select

Home

to have the 3G device connect only to the home

network. If the home network is down, the ZyWALL's 3G Internet

connection is also unavailable.

Select

Auto

(Default) to allow the 3G device to connect to a network

to which you are not subscribed when necessary, for example when

the home network is down or another 3G base station's signal is

stronger. This is recommended if you need continuous Internet

connectivity. If you select this, you may be charged using the rate of a

different network.

Budget Setup

Enable Budget

Control

Select this to set a monthly limit for the user account of the installed

3G card. You can set a limit on the total traffic and/or call time. The

ZyWALL takes the actions you specified when a limit is exceeded

during the month.

Table 61

Configuration > Network > Interface > Cellular > Add (continued)

LABEL

DESCRIPTION

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Chapter 11 Interfaces

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245

Time Budget

Select this and specify the amount of time (in hours) that the 3G

connection can be used within one month. If you change the value

after you configure and enable budget control, the ZyWALL resets the

statistics.

Data Budget

Select this and specify how much downstream and/or upstream data

(in Mega bytes) can be transmitted via the 3G connection within one

month.

Select

Download

to set a limit on the downstream traffic (from the

ISP to the ZyWALL).

Select

Upload

to set a limit on the upstream traffic (from the ZyWALL

to the ISP).

Select

Download/Upload

to set a limit on the total traffic in both

directions.

If you change the value after you configure and enable budget

control, the ZyWALL resets the statistics.

Reset time and

data budget

counters on

Select the date on which the ZyWALL resets the budget every month.

If the date you selected is not available in a month, such as 30th or

31th, the ZyWALL resets the budget on the last day of the month.

Reset time and

data budget

counters

This button is available only when you enable budget control in this

screen.

Click this button to reset the time and data budgets immediately. The

count starts over with the 3G connection’s full configured monthly

time and data budgets. This does not affect the normal monthly

budget restart; so if you configured the time and data budget

counters to reset on the second day of the month and you use this

button on the first, the time and data budget counters will still reset

on the second.

Actions when

over budget

Specify the actions the ZyWALL takes when the time or data limit is

exceeded.

Log

Select

None

to not create a log,

Log

to create a log, or

Log-alert

to

create an alert log. If you select

Log

or

Log-alert

you can also select

recurring every

to have the ZyWALL send a log or alert for this

event periodically. Specify how often (from 1 to 65535 minutes) to

send the log or alert.

New 3G

connection

Select

Allow

to permit new 3G connections or

Disallow

to drop/block

new 3G connections.

Current 3G

connection

Select

Keep

to maintain an existing 3G connection or

Drop

to

disconnect it. You cannot set

New 3G connection

to

Allow

and

Current 3G connection

to

Drop

at the same time.

If you set

New 3G connection

to

Disallow

and

Current 3G

connection

to

Keep

, the ZyWALL allows you to transmit data using

the current connection, but you cannot build a new connection if the

existing connection is disconnected.

Table 61

Configuration > Network > Interface > Cellular > Add (continued)

LABEL

DESCRIPTION

Rate

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