Configuring flex links – Dell POWEREDGE M1000E User Manual

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide

OL-13270-03

Chapter 21 Configuring Flex Links and the MAC Address-Table Move Update Feature

Configuring Flex Links and MAC Address-Table Move Update

Configuring Flex Links

Beginning in privileged EXEC mode, follow these steps to configure a pair of Flex Links:

To disable a Flex Link backup interface, use the no switchport backup interface interface-id interface
configuration command.

This example shows how to configure an interface with a backup interface and to verify the
configuration:

Switch# configure terminal

Switch(conf)# interface gigabitethernet1/0/1

Switch(conf-if)# switchport backup interface gigabitethernet1/0/2

Switch(conf-if)# end

Switch# show interface switchport backup

Switch Backup Interface Pairs:

Active Interface Backup Interface State

------------------------------------------------------------------------

GigabitEthernet1/0/1 GigabitEthernet1/0/2 Active Up/Backup Standby

Beginning in privileged EXEC mode, follow these steps to configure a preemption scheme for a pair of
Flex Links:

Command

Purpose

Step 1

configure terminal

Enter global configuration mode.

Step 2

interface interface-id

Specify the interface, and enter interface configuration
mode. The interface can be a physical Layer 2 interface or
a port channel (logical interface). The port-channel range
is 1 to 64.

Step 3

switchport backup interface interface-id

Configure a physical Layer 2 interface (or port channel)
as part of a Flex Link pair with the interface. When one
link is forwarding traffic, the other interface is in standby
mode.

Step 4

end

Return to privileged EXEC mode.

Step 5

show interface [interface-id] switchport backup

Verify the configuration.

Step 6

copy running-config startup config

(Optional) Save your entries in the switch startup
configuration file.