
Values
Value Range
Default Value
0x600-0xFFFF
0x8100
Configuration Guidelines
Set this parameter according to the supported value of
QinQ Type Area
of the opposite
equipment.
7.8 Loop Detection (Ethernet Port Attribute)
Description
The
Loop Detection (Ethernet Port Attribute)
parameter specifies the function of reporting
the self-loop alarms after one of the following loopback cases is detected.
l
For the external physical interface of the board, the transmit direction is connected to the
receive direction by a fiber.
l
The two external physical ports on the board are cross-connected to each other through
fibers.
l
The cross-connection is created on the same VCTRUNK of the board.
l
The cross-connection is created between different VCTRUNKs of the board.
Impact on the System
After the self-loop check function is enabled for a port, the specified self-loop check packets are
transmitted from the port. One packet is transmitted each second.
Values
Board Name
Valid Values
Default Value
EFS8
Enabled, Disabled
Disabled
Configuration Guidelines
To check the self-loop port, select
Enabled
.
Relationship with Other Parameters
The loop port shut-down function takes effect only after the loop check function is enabled.
7 List of Parameters
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
7-12
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2011-06-30)