Configuring An Ima Group; Table 3-4 Addimagrp Command Parameters - Cisco MGX 8850 (PXM1E/PXM45) Configuration Manual

Chapter 3 Provisioning PXM1E Communication Links
Table 3-4
txFrameLen
txclkMode
diffDelayMax
In the following example, the user creates IMA group 2.1 running IMA version 1.0. The minimum
number of lines required for this group to operate is 3. The transmit IMA ID is 255, the transmit frame
length is 128, the transmit clock mode is CTC, and the maximum differential delay is 100.
MGXswitch.7.PXM.a > addimagrp 2.1 1 3 255 128 1 100
To verify that the IMA group has been created, enter the dspimagrps command:
Step 4
MGXswitch.7.PXM.a > dspimagrps
Ima
Grp
--------------------------------------------------------------------------------
2.1
2.2
2.3

Configuring an IMA Group

Once you have added an IMA group on your PXM1E, you can configure that IMA group's parameters.
Use the following procedure to configure IMA group parameters.
Establish a configuration session with the active PXM1E.
Step 1
Enter the dspimagrps command to list the IMA groups configured on the current card.
Step 2
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
addimagrp Command Parameters (continued)
Transmit frame length. The optional values for each IMA
version are:
• Version 1.0 = 128
Version 1.1 = 32, 64, 128, 256
•
Transmit clock mode. The available modes and option
numbers are:
Common Transmit Clock (CTC) = 1
•
Independent Transmit Clock (ITC) = 2
•
Note
Maximum receive link differential delay. The ranges for each
link type are:
• T1 = 1 to 275 msec
E1 = 1 to 220 msec
•
Min Tx Rx Tx Diff
Lnks Frm Frm Clk Delay
Len Len Mode (ms)
1 128 128 CTC 100
3 128 128 CTC 100
3 128 128 CTC 100
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Option 2: ITC is not supported in Release 5 of the
Cisco MGX 8850 (PXM1E) and Cisco MGX 8830
switches.
NE-IMA
state
StartUp
StartUp
StartUp
General PXM1E Configuration Procedures
FE-IMA IMA
state Ver
StartUp 1.0
StartUp 1.1
StartUp 1.1
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