Configuring A Loopback Interface - Cisco Catalyst 9500 series Configuration Manual

Configuring a Loopback Interface

Step 4
Step 5
Step 6
Configuring a Loopback Interface
Procedure
Step 1
Step 2
Step 3
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
102
Command or Action
end
Example:
Device(config)# end
show running-config
Example:
Device# show running-config
copy running-config startup-config
Example:
Device# copy running-config startup-config
Command or Action
configure terminal
Example:
Device# configure terminal
interface loopback 0
Example:
Device(config)# interface loopback 0
ip address address mask
Example:
Device(config-if)# ip address 10.1.1.5
255.255.240.0
Configuring IP Unicast Routing
Purpose
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the
configuration file.
Purpose
Enters the global configuration mode.
Creates a loopback interface, and enter
interface configuration mode.
Assign an IP address to this interface.