ADC Cuda 12000 Informações Técnicas descarregar pdf (Página 251)

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Cuda 12000 IP Access Switch CLI Reference Guide

loop 247

loop

Configures the current interface to perform loopback testing. Loopback testing allows you to

verify the connection between the current POS interface and a remote device.

The loopback test allows a ping packet to loop through the remote device and current interface.

If the ping packet completes the loop, the connection is sound; inability to complete the loop

indicates an equipment malfunction within the connection path.

The interface supports two kinds of loopback verification:

■ Line — Configures the interface to loopback data back to the remote router that sent it.

Incoming data is received and then looped back to the sending router without actually

transmitting the packets. This form of loopback is helpful in verifying the connection

between the current interface and a remote router.

■ Internal — Also known as local loopback, configures the interface to loopback outgoing

data that it originates without actually transmitting it over the network. This version of

loopback is helpful in verifying that the POS interface is operational.

By default, no form of loopback is configured on the interface. Use the no loop command to

remove loopback configuration on the current interface.

Mode

interface:pos:csi(<c/s/i>)

Syntax

loop {line | internal}

Arguments

{line | internal} Specifies one of the following values:

■ line – Configures the current interface for line loopback verification.

■ internal – Configures the current interface for internal (local) loopback

verification.

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