Configuring Your Modem For Wan Failover - Watchguard Firebox X20E User Manual

Select the Enable failover using the Ethernet (WAN2)/Modem (serial port) interface check
2
box.
From the drop-down list, select Modem (serial port).
3
The Edge sends regular pings to an IP address you specify to check for interface connectivity.
4
Type the IP addresses you want the Edge to ping for the WAN1 (external) and WAN2 (failover)
interfaces in the correct fields.
In the Ping interval text box, type the frequency at which you want the Firebox to send pings to
5
check for interface connectivity.
In the Reply timeout text box, type the number of seconds you want the Edge to wait for a reply.
6
If there is no response before this timeout occurs, the ping fails.
In the No reply limit text box, type the number of failed pings before timeout occurs. When this
7
limit is reached, WAN failover occurs.
In the Ping replies needed for failback, type the number of successful pings that must be made
8
before the Edge uses the WAN1 interface again.

Configuring your Modem for WAN Failover

Use the settings available in the lower half of the WAN failover page to set up your external modem for
failover. The Edge has been tested with these modems:
Hayes 56K V.90 serial fax modem
•
Zoom FaxModem 56K model 2949
•
U.S. Robotics 5686 external modem
•
Creative Modem Blaster V.92 serial modem
•
MultiTech 56K Data/Fax Modem International
•
Dial-up account settings
In the Telephone number text box, type the telephone number of your ISP. If you have an
1
alternate telephone number, you can enter that below the telephone number.
In the Account name text box, type your dial-up account name.
2
If you log in to your account with a domain name (such as msn.com), enter it in Account Domain
3
text box.
In the Account password text box, type the password you use to connect to your dial-up
4
account.
User Guide
Using the WAN Failover Option
77