6 configuring the loopback mode, 7 checking the configuration, 3 checking the configuration -19 – Nortel Networks 8000 User Manual

Page 451: 5 configuring the loopback mode -12, Configuring the loopback mode, Checking the configuration

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11 High-speed ATM configuration

Nortel Secure Router 8000 Series

Configuration -WAN Access

11.2.6 Configuring the loopback mode

Do as follows on the routers:

Step 1

Run:

system-view

The system view appears.

Step 2

Run:

interface atm interface-number

The ATM interface view appears.

Step 3

Run:

loopback { local | remote }

The command configures loopback mode.

Use the following loopback functions specific test purposes:

local

: indicates the internal loop used to detect whether the local service chip is normal.

remote

: indicates the outer loop used to detect whether the remote is normal.

By default, the loopback function is disabled.

—End

11.2.7 Checking the configuration

Run the following commands to check the previous configuration.

Action

Command

Check the configuration and

status of the ATM interface.

display interface atm

[ interface-number ] [

|

{

begin

|

exclude

|

include

} regular-expression ] [ interface-type ]

Run the

display interface atm

command to view the configuration information about the

ATM interface, including the Up status of the interface and link, the enabled scramble,
SONET as the frame format, and the used external clock signals.

<Quidway> display interface atm 2/0/0

Atm2/0/0 current state : UP

Line protocol current state : UP

Description : NORTEL, Quidway Series, Atm2/0/0 Interface

The Maximum Transmit Unit is 1500 bytes

Internet Address is 5.0.0.1/24

AAL enabled: AAL5, Maximum VCs: 1024

Current VPs: 0 (0 on main interface)

Current VCs: 1 (1 on main interface)

Port 0 :

Hardware is ATM155

VendorName : AGILENT

Compliance :

11-8

Nortel Networks Inc.

Issue 5.3 (30 March 2009)

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