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    Configuring Ethernet Loopback Capability

    To place an interface in loopback mode, include the loopback statement:

    To return to the default—that is, to disable loopback mode—delete the loopback statement from the configuration:

    [edit]user@switch# delete interfaces interface-name ether-options loopback

    To explicitly disable loopback mode, include the no-loopback statement:

    You can include the loopback and no-loopback statements at the following hierarchy levels:

    • [edit interfaces interface-name aggregated-ether-options]
    • [edit interfaces interface-name ether-options]

    Published: 2012-09-12