Cisco Catalyst 3750 Metro - Page 731

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Catalyst 3750 Metro Switch Command Reference
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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands
switchport backup interface
Vlans Preferred on Active Interface: 1-50
Vlans Preferred on Backup Interface: 60, 100-120
The following example shows how to configure multicast fast-convergence on interface Gi1/0/11:
Switch# configure terminal
Switch(config)# interface gigabitEthernet 1/0/11
Switch(config-if)# switchport backup interface gigabitEthernet 1/0/12 multicast
fast-convergence
Switch(config-if)# end
You can verify your setting by entering the show interfaces switchport backup detail privileged EXEC
command.
Switch# show interfaces switchport backup detail
Switch Backup Interface Pairs:
Active Interface Backup Interface State
------------------------------------------------------------------------
GigabitEthernet1/0/11 GigabitEthernet1/0/12 Active Up/Backup Standby
Preemption Mode : off
Multicast Fast Convergence : On
Bandwidth : 1000000 Kbit (Gi1/0/11), 1000000 Kbit (Gi1/0/12)
Mac Address Move Update Vlan : auto
Related Commands Command Description
show interfaces [interface-id]
switchport backup
Displays the configured Flex Links and their status on the switch or
for the specified interface.