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H3C Technologies H3C WA2600 Series WLAN Access Points User Manual

Page 20

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4-10

z

The interface is shut down by the administrator.

z

LCP negotiation fails.

Execute the display interface command to check the state of the interface. The output information can

be:

z

serial number is administratively down, line protocol is down

, which indicates that the

interface is shut down by the administrator.

z

serial number is down, line protocol is down

, which indicates that the interface is not activated

or the physical layer has not gone up yet.

z

serial number is up, line protocol is up

, which indicates that LCP negotiation succeeded.

z

serial number is up, line protocol is down

, which indicates that the interface is active, but LCP

negotiation failed.

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