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Configuring SONET/SDH HDLC Payload Scrambling for Link Stability

 

To explicitly enable payload scrambling, perform the following steps:

  1. In configuration mode, go to the [edit interfaces interface-name sonet-options] hierarchy level, where the interface-name is so-fpc/pic/port.
  2. Configure the payload-scrambler option to enable HDLC payload scrambling.

To disable HDLC payload scrambling:

  1. In configuration mode, go to the [edit interfaces interface-name sonet-options] hierarchy level, where the interface-name is so-fpc/pic/port.
  2. Configure the no-payload-scrambler option to disable HDLC payload scrambling.

To re-enable payload scrambling and to return to the default setting.

  1. In configuration mode, go to the [edit] hierarchy level.
  2. To return to the default setting, delete the no-payload-scrambler statement from the configuration.

On a channelized OC12 interface, the sonet-options payload-scrambler statement is ignored. To configure scrambling on the DS3 channels on the interface, include the t3-options payload-scrambler statement in the configuration for each DS3 channel.