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Uplink Failure Detection configuration
Uplink Failure Detection (UFD) supports network fault tolerance in network adapter teams. Use these commands to
configure four Failure Detection Pair of one Links to Monitor (LtM) group and one Links to Disable (LtD) group.
When UFD is enabled and a Failure Detection Pair is configured, the switch automatically disables ports in the LtD
if it detects a failure in the LtM. The failure conditions which are monitored in the LtM group include port link
state moving to down, or port state moving to Blocking if Spanning Tree Protocol is enabled.
The following table describes the Uplink Failure Detection (UFD) Configuration commands.
Table 172 Uplink Failure Detection Configuration commands
Command
Description
ufd enable
Globally turns Uplink Failure Detection ON.
Command mode: Global configuration
Globally turns Uplink Failure Detection OFF. The default is OFF.
Command mode: Global configuration
Enter FDP configuration mode for the selected number.
Command mode: Global configuration
Displays the current Uplink Failure Detection configuration parameters.
Command mode: All
no ufd enable
ufd fdp <fdp number>
show ufd
Failure Detection Pair configuration
Use these commands to configure a Failure Detection Pair, which consists of one Link to Monitor (LtM) and one
Link to Disable (LtD). When the switch detects a failure on the LtM, it automatically disables the ports in the LtD.
The following table describes the Failure Detection Pair (FDP) configuration commands.
Table 173 Failure Detection Pair Configuration commands
Command
Description
enable
Enables the FDP Parameters.
Command mode: FDP configuration
Disables the FDP Parameters. The default is disabled.
Command mode: FDP configuration
no enable
Link to Monitor configuration
The following table describes the Link to Monitor (LtM) commands. The LtM can consist of only one uplink port
(ports 20-24), a single trunk containing only uplink ports, or a single LACP trunk containing only uplink ports.
Table 174 Link to Monitor commands
Command
Description
ltm port <port number>
Adds a port to the LtM. Only uplink ports (20-24) are allowed in the LtM.
Command mode: FDP configuration
Removes a port from the LtM.
Command mode: FDP configuration
Adds a trunk group to the LtM. The LtM trunk group can contain only uplink
ports (20-24).
Command mode: FDP configuration
Removes a trunk group from the LtM.
Command mode: FDP configuration
Adds a LACP trunk group to the LtM. Defines a adminkey configured to a
LACP trunk group. The LtM LACP trunk group can contain only uplink ports
(20-24).
Command mode: FDP configuration
Removes a LACP trunk group from the LtM.
Command mode: FDP configuration
no ltm port <port number>
ltm portchannel <1-12>
no ltm portchannel <1-12>
ltm adminkey <1-65535>
no ltm adminkey <1-65535>
N8406-023 1Gb Intelligent L3 Switch Command Reference Guide (ISCLI)
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