H3C Technologies H3C S7500E Series Switches - Manual (Page 68)

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To do... Use the command... Remarks
Enable traffic encryption encrypt enable
Optional
By default, data encryption is
enabled for downlink data.
Configure an encryption key encrypt key key-value
Optional
If no encryption key is configured,
the system uses the default
encryption key.
Currently, the encrypt key
command is not supported.
Testing the Link Between an ONU and the OLT
Follow these steps to test the optical link between an ONU and the OLT:
To do... Use the command... Remarks
Enter system view system-view —
Enter ONU port view interface onu interface-number —
Test the optical link between the
ONU and the OLT
linktest [ frame-number value |
frame-size value | delay { on |
off } | vlan-tag { on [ vlan-priority
value | vlan-id value ] | off } ] *
Required
The following lists the default
values of the link test parameters.
Number of test frames: 20
Frame size: 1000 bytes
VLAN tag: not carried in testing
frames
Delay testing state: Off
The link connectivity between an ONU and the OLT can be tested only when the ONU is online.
Testing the Cable Connected to an UNI Port
Perform this operation to test the cable connected to the specified UNI port of the ONU once and to
display the testing result.
Follow these steps to test the cable connected to an UNI port: