Dell PowerEdge FX2/FX2s Bedienungsanleitung PDF herunterladen (Seite 263)

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Uplink Failure Detection (UFD)

Uplink failure detection (UFD) provides detection of the loss of upstream connectivity and, if you use this

with network interface controller (NIC) teaming, automatic recovery from a failed link.

NOTE: In Standalone and VLT modes, the UFD group number is 1 by default and cannot be

changed.

The UFD commands described in this chapter are:

• defer-timer

• enable

defer-timer

Configure a timer that prevents unwanted flapping of downstream ports when the uplink port channel

goes down and comes up.

Syntax

defer-timerseconds

Defaults 10 (Standalone mode)

Parameters

seconds Specify the time (in seconds) to wait for the upstream port

channel (LAG 128) to come back up before server ports are

brought down. The range is from 1 to 120.

Command

Modes

UPLINK-STATE-GROUP

Command

History

Version 9.4(0.0) Supported on the FN I/O aggregator.

Usage

Information

This command is not supported in programmable-mux mode.

enable

Re-enable upstream-link tracking for an uplink-state group after it has been disabled.

Syntax

enable

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