Specifications

9-24
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 9 Switch Operating Procedures
Managing Redundant APS Lines
Replace <working-slot.bay.line> with the slot, bay, and line id of the APS line you want to display. After
you enter the command, the switch displays a report similar to the following:
mgx8830a.1.PXM.a > dspapsln 9.1.1
Working Prot. Conf Oper Active SFBer SDBer WTR Revt Dir LastUser
Index Index Arch Arch Line 10^-n 10^-n (min) SwitchReq
------- ----- ---- ----- ------ ----- ----- ----- ---- --- ----------
9.1.1 9.1.2 1+1 1+1 working 3 5 5 No uni No Request
9.2.1 9.2.2 1+1 1+1 working 3 5 5 No uni No Request
Modifying APS Lines
To change the configuration for an APS line, enter the cnfapsln command as described in the following
procedure.
Step 1 Establish a configuration session using a user name with GROUP1_GP privileges or higher.
Step 2 Enter the cnfapsln command as follows:
mgx8830a.1.PXM.a > cnfapsln -w <workingIndex> -sf <SignalFaultBER> -sd <SignalDegradeBER>
-wtr <Wait To Restore> -dr <direction> -rv <revertive> -proto <protocol>
Select the working line to configure by replacing <workingIndex> with the with the location of the
working line using the format slot.bay.line. For example, to specify the line on card 9, bay 1, line 2, enter
9.1.2.
Table 9-6 describes the cnfapsln command options.
Table 9-6 Options for cnfapsln Command
Option Description
-w Slot number, bay number, and line number of the active line to configure, in the following
format:
slot.bay.line
Example: -w 1.1.1
-sf The signal failure Bit Error Rate (BER) threshold. Replace <SignalFaultBER> with a
number in the range of 3 to 5.
5 = signal failure BER threshold = 10 ^^ -5.
-sd The Signal degrade BER threshold. Replace <SignalDegradeBER> with a number in the
range of 5 to 9.
5 = signal degrade BER threshold = 10 ^^ -5.
-wtr The number of minutes to wait before attempting to switch back to the working line.
Replace <Wait To Restore> with a number in the range of 1 to 12 (minutes).
Note that this option is applicable only when the -rv option is set to 2, enabling revertive
operation.