2-2 SmartSwitch 6500 Reference Manual
Console Commands
Descriptions
Examples
switch_1 # show 622loopback
Port(ALL) :
Port Type Loopback
==============================================================================
1A1 622 None
switch_1 # set 622loopback
Port() : 1a1
Loopback(None) : Facility
switch_1 # show 622loopback
Port(ALL) :
Port Type Loopback
==============================================================================
1A1 622 Facility
switch_1 #
Operator
Parameters/Permissions
Description
modify 622loopback
[Port] <port>
[Loopback] <loopback>
Administrator
Sets loopback for 622 Mbps ports.
show 622loopback
Administrator
Shows loopback status for 622 Mbps ports.
Table 2-1
OC-12/STM-4 Port Loopback Modes
Mode
Description
None
Loopback is not enabled.
Facility
The data stream is received from the network, has the overhead bits reinserted, and is retransmitted
back to the network.
Equipment
Connects the transmitter to the receiver. The data stream received from the line is retransmitted back
out the line. Cells generated by the switch to this port are not sent over the line.
Diag
Connects the receiver to the transmitter. The data stream transmitted by the switch to a port is looped
back to the switch.
Содержание SmartSwitch 6500
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