code: def cli(env, context_id):
      
      manager = SoftLayer.IPSECManager(env.client)
      # ensure context can be retrieved by given id
      manager.get_tunnel_context(context_id)
  
      succeeded = manager.apply_configuration(context_id)
      if succeeded:
          env.out('Configuration request received for context #{}'
                  .format(context_id))
      else:
          raise CLIHalt('Failed to enqueue configuration request for context #{}'
                        .format(context_id))
docs: Request configuration of a tunnel context.
  
      This action will update the advancedConfigurationFlag on the context
      instance and further modifications against the context will be prevented
      until all changes can be propgated to network devices.