user manual

Line Backup 8-1

Chapter 8

Line Backup

Motorola Netopia® Embedded Software Version 8.7.4 offers line backup functionality in the event of a line

failure on the primary WAN link:

• to an internal V.92 modem (supported models) or

• to a backup default gateway.

This chapter covers the following topics:

• “Conﬁguring Backup” on page 8-1

• “Connection Proﬁles” on page 8-2

• “WAN Conﬁguration” on page 8-7

• “Using Scheduled Connections with Backup” on page 8-12

• “Backup Default Gateway” on page 8-14

• “Backup Management/Statistics” on page 8-16

• “QuickView” on page 8-18

The purpose of line backup is to provide a recovery mechanism in the event that the primary connection fails. A

failure can be either line loss, for example by central site switch failure or physical cable breakage, or loss of

end-to-end connectivity. Detection of one of these failures causes the router to switch from using the primary

DSL WAN connection to using a built-in V.92 modem. Alternatively, you can choose backup to an alternate

gateway on the Ethernet LAN. In the event of a loss of primar y connectivity you have the option of switching

back to the primary port automatically once it has recovered its connection.

Configuring Backup

The following menus support backup conﬁguration:

• the Add Connection Proﬁle menus under the WAN Conﬁguration menus

Here you choose Encapsulation Type = PPP, ﬁll out the correct IP Proﬁle Parameters information, select

Backup as the Interface Group, and ﬁll out the Telco Options. See “Connection Proﬁles” on page 8-2.

• the MODEM (Wan Module 2) Setup menu under the WAN Conﬁguration, WAN (Wide Area Network)

Setup menus

Here you conﬁgure the Internal Modem Setup that governs a number of general behavior settings for the

internal V.92 modem. See “WAN Conﬁguration” on page 8-7.

• the Backup Conﬁguration menu under WAN Conﬁguration, Advanced Connection Options