HP 100BaseT Guide de l'utilisateur télécharger pdf (Page 51)

HP 100Base-T Hubs Installation and Reference Guide

3-4 Setting Up Network Connections

Backup Links Function

The HP 100Base-T Hubs system supports a backup link

function (i.e., a redundant link), provided a Hub-12TXM is

included in the stack. A hub system can have up to 10 pairs of

Backup Links. These links are configurable using the VT-100

console interface. When a primary link fails, the backup (i.e.,

secondary) link automatically takes over. To configure Backup

Links, go to the Backup Links menu in the VT-100 console

interface for the Hub 12-TXM.

Notes:

1. To prevent traffic from looping, the primary port is enabled and the

backup link port disabled. If the system is functioning normally, the

Link indicator for the primary port and the Partition indicator for the

backup link port will be on.

2. It is common practice to attach these links to the same physical

device (e.g., two separate adapter cards on a critical server).

However, to provide more flexibility, this is not enforced by the

VT-100 console interface.

Security Features

Intrusion Protection

Any port on the hub can be configured with an authorized

source address. If an unauthorized intruder is detected, the

network management station can be notified, or a trap can be

sent and the port disabled.

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HP 100BaseT Guide de l'utilisateur Page 51