HP 24S Betriebsanweisung PDF herunterladen (Seite 78)

Identifying the Backup Link

The ports designated as the primary and backup ports are identified on the hub console’s

Status command screen by the words (PRI) and (BKUP), respectively, next to the port

numbers. HP network management products can also be used to identify the backup link.

See the HP network management product’s documentation for more information.

Indications of Backup Link Activation

When the primary link fails (“n” consecutive test packet responses were not received on

the primary port from the other hub), the backup link is automatically enabled. The effect

of this change is displayed on the monitoring hub’s LEDs and console interface. Activation

of the backup link does not change the status of any of the ports on the remote hub.

On the hub’s LEDs: The primary port LED goes off, and the backup port LED goes on.

On the hub console’s Status command screen: The status of the primary port

changes from ON to OFF, and the backup port changes from OFF to ON.

On HP network management products: Depending on the HP network management

product you have, you may be able to automatically monitor the status of the backup link

from the network management station. See your HP network management product

documentation for more information.

E-4 Backup Links

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HP 24S Betriebsanweisung Seite 78