Digital Data Communications Level One GTL-2091 Руководство - Страница 11

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The switch cannot generate the LINK FAULT packets and the Critical Event

packets. However, these packets will be handled if they are received from the

remote terminal. The router can transmit and receive the Dying Gasp packet.

When the local port enters the errdisabled state or is closed by the administrator

or the OAM function of the local port is closed by the manager, the Dying Gasp

packet will be transmitted to the remote terminal that connects the local port.

1.3.5 Displaying the Information About OAM Protocol

Command

show

ethernet

interface [intf-type intf-id]

show ethernet oam statistics {pdu |

link-monitor | remote-failure} interface

[intf-type intf-id]

show

ethernet

interface [intf-type intf-id]

show ethernet oam runtime interface

[intf-type intf-id]

1.4 Configuration Example

1.4.1 Network Environment Requirements

You need configure the OAM protocol on the interface where two GTL-2091

switches connect for capturing the information about GTL-2091 receiving error

frames on user access side.

http://www.level1.com

Table 4 Displaying the information about OAM protocol

oam

discovery

Displays the OAM discovery information on all

interfaces or a designated interface.

Displays the OAM statistics information on all

interfaces or a designated interface.

oam

configuration

Displays the OAM configuration information on all

interfaces or a designated interface.

Displays the OAM running information on all

interfaces or a designated interface.

connects the local interface is shut down by

the administrator.

The link-fault parameter is used to enable an

interface to enter the errdisabled state when

the receiver detects signal loss.

Purpose

The pdu parameter is used to classify and

count the OAM packets according to the

code-domain value of the OAM packet.

The link-monitor parameter is used to display

the detailed statistics information of normal link

events.

The remote-failure parameter is to display the

detailed statistics information about the remote

trouble.

OAM Configuration

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