Cisco Catalyst 2960 Series User Manual

Configuring VLAN Load Balancing on Flex Links
SUMMARY STEPS
1.
configure terminal
2.
interface interface-id
3.
switchport backup interface interface-id prefer vlan vlan-range
4.
end
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 1
Specifies the interface, and enters 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 24.
interface interface-id
Example:
Switch (config)# interface
Step 2
gigabitethernet2/0/6
Configures a physical Layer 2 interface (or port channel) as
part of a Flex Links pair with the interface and specifies the
switchport backup interface interface-id prefer
vlan vlan-range
Step 3
VLANs carried on the interface. The VLAN ID range is 1 to
4094.
Example:
Switch (config-if)# switchport backup
interface
gigabitethernet2/0/8 prefer vlan 2
Returns to privileged EXEC mode.end
Example:
Switch (config-if)# end
Step 4
Related Topics
Flex Links VLAN Load Balancing Configuration Guidelines, on page 379
Restrictions for Configuring Flex Links and MAC Address-Table Move Update, on page 373
Configuring VLAN Load Balancing on Flex Links: Examples, on page 387
Configuring VLAN Load Balancing on Flex Links: Examples, on page 387
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
383
How to Configure Flex Links and the MAC Address-Table Move Update Feature

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000