Avaya BCM 4.0 Networking Guia de Configuração descarregar pdf (Página 538)

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538 Chapter 62 Configuring the Dial-up resources

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Dial-out for WANBackup

Modem, ISDN and PPPoE interfaces can be configured as back-up connections for permanent

WAN connections. To configure an interface as a backup connection it must first be enabled, then

if the BCM experiences a primary connection failure, it will dial-out using the dial-up interface

configured as the backup. The connection is established over this link and the connectivity to the

external network is restored. Whenever the primary connection is available again, BCM

disconnects the dial-out connection. This process helps to maintain high availability of networks,

and minimal downtime. Only one interface can be configured as back-up at any point of time.

Dial-out for SNMP traps

All dial-up interfaces can be configured to send SNMP traps to a remote Management Station.

Whenever BCM needs to send SNMP traps, it dials out through the dial-up interface that is

configured for SNMP traps. The SNMP traps are sent over the IP connection using the dial-up

connection. After sending the traps, the dial-up connection is disconnected after a specified time

interval during which there has been no traffic over the link.

Dial-out for Scheduled Backup, Scheduled Log Transfer, Scheduled Software

Update

Modem and ISDN interfaces can be used for sending scheduled backups of configuration data,

scheduled backups of log files collected on BCM and for scheduled software updates on BCM.

When the timer for these scheduled activities expires, a dial-out connection is initiated over the

dial-up interfaces.

The system administrator can manually initiate dial-out.

Refer to the following topics for additional information:

• “Configuring the Dial-in Parameters”

• “Configuring a modem interface” on page 544

• “Configuring an ISDN interface” on page 550

• “Configuring a PPPoE interface” on page 557

• “Creating an auto dial-out interface” on page 564

• “Guidelines for using remote Dial-in” on page 564

• “Using a dial-up interface as a primary connection” on page 564

Dial-in

Configuring the Dial-in Parameters

Note: The default IP address Pool must be changed on one end of a dial-up

connection between two BCMs.

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