ProLiant BL p-Class GbE2 Interconnect Switch Application Guide

High availability 146
4. Turn UFD on.
>> Main# /cfg/ufd/on (Turn Uplink Failure Detection on)
>> Uplink Failure Detection# apply (Make your changes active)
>> Uplink Failure Detection# save (Save for restore after reboot)
When a link failure or Spanning Tree blocking occurs on trunk group 2, Switch B disables port 1 and port 2.
Configuring Uplink Failure Detection (BBI example)
1. Configure Uplink Failure Detection.
a. Click the Configure context button.
b. Open the Switch folder, and select Uplink Failure Detection (click the underlined text, not the folder).
c. Turn Uplink Failure Detection on, and then select FDP.