Configuring Vlan Load Balancing On Flex Links - Cisco Catalyst 3560-X Software Configuration Manual
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Also See for Catalyst 3560-X:
- Command reference manual (1188 pages) ,
- Software configuration manual (1438 pages) ,
- Manual (276 pages)
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Configuring Flex Links and MAC Address-Table Move Update
Command
Step 7
show interface [interface-id] switchport backup
Step 8
copy running-config startup config
To remove a preemption scheme, use the no switchport backup interface interface-id preemption
mode interface configuration command. To reset the delay time to the default, use the no switchport
backup interface interface-id preemption delay interface configuration command.
This example shows how to configure the preemption mode as forced for a backup interface pair and to
verify the configuration:
Switch# configure terminal
Switch(conf)# interface gigabitethernet1/0/1
Switch(conf-if)#switchport backup interface gigabitethernet1/0/2 preemption mode forced
Switch(conf-if)#switchport backup interface gigabitethernet1/0/2 preemption delay 50
Switch(conf-if)# end
Switch# show interface switchport backup detail
Active Interface Backup Interface State
------------------------------------------------------------------------
GigabitEthernet1/0/211 GigabitEthernet1/0/2 Active Up/Backup Standby
Interface Pair : Gi1/0/1, Gi1/0/2
Preemption Mode : forced
Preemption Delay : 50 seconds
Bandwidth : 100000 Kbit (Gi1/0/1), 100000 Kbit (Gi1/0/2)
Mac Address Move Update Vlan : auto
Configuring VLAN Load Balancing on Flex Links
Beginning in privileged EXEC mode, follow these steps to configure VLAN load balancing on Flex
Links:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
switchport backup interface interface-id prefer vlan
vlan-range
Step 4
end
Step 5
show interfaces [interface-id] switchport backup
Step 6
copy running-config startup config
To disable the VLAN load balancing feature, use the no switchport backup interface interface-id
prefer vlan vlan-range interface configuration command.
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
1-10
Chapter 1
Configuring Flex Links and the MAC Address-Table Move Update Feature
Purpose
Verify the configuration.
(Optional) Save your entries in the switch startup
configuration file.
Purpose
Enter global configuration mode.
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 48.
Configure a physical Layer 2 interface (or port channel)
as part of a Flex Links pair with the interface and specify
the VLANs carried on the interface. The VLAN ID range
is 1 to 4094.
Return to privileged EXEC mode.
Verify the configuration.
(Optional) Save your entries in the switch startup
configuration file.
OL-25303-03
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Troubleshooting
