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.
For the external physical interface of the board, the transmit
direction is connected to the receive direction by a fiber.
The two external physical ports on the board are cross-connected
to each other through fibers.
The cross-connection is created
on the same VCTRUNK of the board.
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
Valid Values
Default Value
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.