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.
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)