Specifications

9-88
Cisco MGX 8800/8900 Series Software Configuration Guide
Release 5.1, Part Number OL-6482-01, Rev. A0, January 25, 2005
Chapter 9 Switch Operating Procedures
Managing IMA
Enter the dspatmimagrp <bay.group> command to display whether AIS and payload scrambling are
enabled or disabled for an IMA group, as shown in the following example:
Satire.2.PXM.a > dspatmimagrp 2.1
GrpNum HCScoset PayloadScramble NullCellHdr NullCellPayload AIS
------- --------- --------------- ----------- --------------- -------
2.1 Enable Disable 0x00000001 6a Enable
Managing IMA
The following sections describe many operations used for manaing IMA:
• Displaying IMA Groups
• Displaying the Status of a Single IMA Group
• Displaying IMA Links
• Deleting an IMA Group
• Deleting an IMA Link
• Restarting an IMA Group
Table 9-37 cnfatmimagrp Command Parameters
Parameter Description
-grp <bay.group> The bay number and the IMA group number.
• bay: Enter 2 for the lower bay.
• grp: 1-16
Note On the PXM1E, the bay number is always 2.
sps <PayloadScramble> Enable of disable payload scrambling. Default: enabled.
• 1 = enable
• 2 = disable
ais <aisMode> Enables or disables the alarm indication signal (AIS) mode. The
AIS is an all-ones signal that is transmitted instead of the normal
signal to maintain transmission continuity and to indicate to the
receiving terminal that there is a transmission fault that is located
either at the transmitting terminal or upstream from the transmitting
terminal.
• 1 = Enable AIS transmitting.
• 2 = Disable AIS transmitting.
Default = Enable