interface loopback

Last Updated : Nov 06, 2012 |
Enters Loopback interface configuration mode. Use no interface loopback to delete a Loopback interface or sub-interface.
Prolog information
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If the specified interface does not exist, the system creates it and enters its configuration mode.

Syntax

[no] interface loopback [interface_number[.ip_interface]]

Parameters

Parameter
Description
Possible Values
Default Value
interface_number
The number of the interface
1-99
ip_interface
The IP sub-interface number within this interface. A number of IP interfaces may be bound to a Layer 3 interface.
0-1024

User level

read-write

Context

general

Example

To create Loopback interface 1 and enter its configuration mode:
Gxxx-001(super)# interface loopback 1
To create a Layer 3 sub-interface:
Gxxx-001(super)# interface loopback 1.1