Cisco Catalyst 3750-X Command Reference Manual page 960

Cisco ios release 15.2(1)e and later

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switchport backup interface

This example shows how to configure the Gigabit Ethernet interface as the MMU primary VLAN:

Switch# configure terminal

Switch(conf)# interface gigabitethernet1/0/1

Switch(conf-if)# switchport backup interface gigabitethernet1/0/2 mmu primary vlan 1021

Switch(conf-if)# end

You can verify your setting by entering the show interfaces switchport backup privileged EXEC

Related Commands

show interfaces

switchport backup

Catalyst 3750-X and 3560-X Switch Command Reference

[interface-id]

Displays the configured Flex Links and their status on the switch or

for the specified interface.

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

Catalyst 3560-x