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ADSL INTERFACE CONFIGURATION
COMMANDS
activate
Syntax activate
undo activate
View ATM (ADSL) interface view
Parameter None
Description Use the
activate command to activate an ADSL interface.
Use the
undo activate command to deactivate an ADSL interface.
By default, an ADSL interface is active.
An ADSL interface must be activated before it can transmit services. Activation
refers to training between ADSL office end and ATU-R end. During this process,
the two parties examine line distance and conditions against the line configuration
template (which defines the ADSL criteria, channel mode, uplink and downlink
speeds, and noise tolerance) and attempt to reach an agreement. If the training
succeeds, a communication connection is set up between the two parties for
service transmission.
Contrary to activation, deactivation tears down the communication connection
between the two parties. To transmit services, you need to re-activate the
interface.
The commands here are intended for test and diagnosis purposes. Unlike the
shutdown and undo shutdown commands, the commands here only affects a
G.SHDSL line.
Since an ADSL interface is always on, it transits to the active state automatically at
boot and remains in this state as long as the link is in good condition. The router
tests the performance of the line regularly. Once it finds that the line performance
is deteriorating, it automatically deactivates, retrains, and then reactivates the line.
Example # Activate ADSL interface 2/0.
<Sysname> system-view
[Sysname] interface atm 2/0
[Sysname-Atm2/0] activate