User Guide

Chapter 5. Command Line Interface Reference 181
Symmetric Digital Subscriber Line Commands (SDSL)
The following SDSL commands are used to manage the SDSL link for an SDSL router.
General information about SDSL
!
!!
!
Line activation
Line activation is independent of network settings. During activation, the Link light (on the front panel of
the router) first is yellow and then turns green when the link becomes active.
The router at the CPE end will try auto-speed detection starting at 384, and try to detect the next higher
speed (for about 30 seconds per speed). The WAN light should turn yellow, then green, when the link has
activated.
Auto-speed detection can be turned off with the command
sdsl speed noauto
. If the line was previously
set to “no auto-speed” (noauto), the Link light will be amber instead, when the line tries to activate.
The
ifs
command displays the Link as either off or opened when it has been successfully activated.
Following is a sample output.
!
!!
!
Auto-speed sequence
Auto-speed start with the lower speed (384) and then tries to activate for 30 seconds. If no activation
takes place, it attempts the next higher speed. The time intervals between activation may change if the
modems don’t activate as expected. Following is a correct activation output.
03/09/1998-17:11:59:SDSL: Deactivated
03/09/1998-17:12:22:SDSL: CPE is Activating at 768 Kb/s
03/09/1998-17:13:00:SDSL: Deactivated
03/09/1998-17:13:01:SDSL: CPE is Activating at 1152 Kb/s
03/09/1998-17:13:32:SDSL: Deactivated
03/09/1998-17:13:32:SDSL: CPE is Activating at 1152 Kb/s
03/09/1998-17:14:11:SDSL: Deactivated
03/09/1998-17:14:12:SDSL: CPE is Activating at 384 Kb/s
03/09/1998-17:14:51:SDSL: Activated
03/09/1998-17:14:53:FRAMER: The framer is synchronized
03/09/1998-17:15:19:DOD: connecting to co @ 0*38 over ATM-VC/1
03/09/1998-17:15:35:DOD: link to co over ATM-VC/1 is now up
03/09/1998-17:15:57:SDSL: Line Rate at last activation saved
Sample:
ifs
Interface Speed In % Out % Protocol State
Connection
ETHERNET/0 10.0mb 0%/0% 0%/0% (Ethernet) OPENED
SDSL/0 384kb 0%/0% 0%/0% (ATM) OPENED
CONSOLE/0 9600 b 0%/0% 0%/0% (TTY) OPENED