Avaya Configuring Interface and Router Redundancy Manuel d'utilisateur télécharger pdf (Page 18)

Configuring Interface and Router Redundancy

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Interface Roles

Nortel Networks interface redundancy software determines which interface in a

redundancy group becomes the active interface if the current active interface fails.

The software also determines the priority for each of the remaining members of

the group to become the active interface.

Determining the Active Interface

When you boot a router configured with interface redundancy, the designated

primary interface has 12 seconds to become active. If it does become active, data

transmission begins normally.

If the designated primary interface does not become active within 12 seconds, the

redundant interface with the highest priority becomes the active interface, and

transmission begins. The 12-second initialization period occurs only once, and

applies only to the designated primary interface. After initialization, all redundant

interfaces are ready to become active immediately if the active interface fails.

Reset Active Feature

Interface redundancy includes a Reset Active feature that allows you to force the

interface you have designated as primary to become the active interface. Using

this feature may improve network performance. Refer to Chapter 4 for

information about accessing the Reset Active feature.

Determining Priority

The redundant interface with the highest priority becomes the active interface if

the active interface fails.

During startup, if the designated primary interface fails to become active, the

following interfaces become active, in this order:

1. Redundant interfaces on the same slot as the designated primary interface

2. Redundant interfaces on other slots

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Avaya Configuring Interface and Router Redundancy Manuel d'utilisateur Page 18