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Figure 8-30
With the
transmit
parameter configured
(Active)
GE2/0/1
Packets
Packets data flow
EFM OAM
CE
PE
GE1/0/1
测试仪
Figure 8-31
Without the
transmit
parameter configured
(Active)
GE2/0/1
Packets
Packets data flow
EFM OAM
CE
PE
GE1/0/1
测试仪
Remote loopback can be performed successfully over a link only when EFM is in the
detect
state and the local end works in active EFM mode. The
display efm session
{
all
|
interface
interface-type
interface-number
} command can be used to display the EFM status on the devices
at both ends of an EFM session. The
display efm
{
all
|
interface
interface-type
interface-
number
} command can be used to display the EFM modes of the interfaces at both ends of a
link.
Step 2
(Optional) Configure a receiving device to ignore the remote loopback request.
1.
Run:
system-view
The system view is displayed.
2.
Run:
interface
interface-type
interface-number
The interface view is displayed.
3.
Run:
efm loopback
ignore-request
The interface is configured to ignore the remote loopback request.
By default, the interface accepts and processes the remote loopback request.
Step 3
Configure the interface in active EFM mode to send test packets.
Run:
test-packet start
interface
interface-type interface-number
[
-c
count
|
-p
speed
|
-s
size
]
*
The device is configured to sent test packets.
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
8 Ethernet OAM Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
664