Configuring Flex Links - Cisco IE 3000 Software Configuration Manual
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Also See for IE 3000:
- Hardware installation manual (186 pages) ,
- Getting started manual (32 pages) ,
- Software configuration manual (874 pages)
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Chapter 19
Configuring Flex Links and the MAC Address-Table Move Update Feature
Configuring Flex Links
Beginning in privileged EXEC mode, follow these steps to configure a pair of Flex Links:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
switchport backup interface interface-id
Step 4
end
Step 5
show interfaces [interface-id] switchport backup
Step 6
copy running-config startup config
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 gigabitethernet1/1
Switch(conf-if)# switchport backup interface gigabitethernet1/2
Switch(conf-if)# end
Switch# show interfaces switchport backup
Switch Backup Interface Pairs:
Active Interface
------------------------------------------------------------------------
GigabitEthernet1/1
Vlans Preferred on Active Interface: 1-3,5-4094
Beginning in privileged EXEC mode, follow these steps to configure a preemption scheme for a pair of
Flex Links:
Command
Step 1
configure terminal
Step 2
interface interface-id
OL-13018-01
Backup Interface
GigabitEthernet1/2 Active Standby/Backup Up
Vlans Preferred on Backup Interface: 4
Configuring Flex Links and the MAC Address-Table Move Update
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 6.
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.
Return to privileged EXEC mode.
Verify the configuration.
(Optional) Save your entries in the switch startup
configuration file.
State
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 6.
Cisco IE 3000 Switch Software Configuration Guide
19-9
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