Allied Telesyn International Corp TurboStack AT-S6 User's Guide download pdf (Page 30)

Management Menus

Redundant Links

Conﬁguration

The redundant link feature allows you to conﬁgure an alternate path to a

critical network resource; this resource can be the backbone or a server

running critical applications. You can have up to 6 pairs on a 12-port hub

and 12 pairs on a 24-port hub.

A redundant pair consists of a primary and a secondary port. After

conﬁguration, the primary port is enabled and the secondary port,

disabled. When the primary port fails, the secondary port takes over until

the primary port’s error condition is resolved. See Figure 2 for topology

samples.

Do not confuse redundant links with the spanning tree algorithm.

Redundant links affect only the hub and its ports.

Figure 2: Redundant Link

Topologies

TurboStack hub 1

Port 13 (AUI)

(Primary port)

Enabled

Port 1

(Secondary port)

Disabled

Switch

BACKBONE

TOPOLOGY B:

Port 1

(Primary port)

Enabled

Port 2

(Secondary port)

TurboStack hub 2

Server with two

network adapter cards

TOPOLOGY A:

Disabled

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Allied Telesyn International Corp TurboStack AT-S6 User's Guide Page 30