•
Configure an ATM interface with one T1 link or one E1 link with the set interfaces
interface-name ima-link-options group-id g configuration command.
The interface-name variable refers to the T1 or E1 interface to be set as an IMA interface
link and the variable g refers to the port in the at-x/y/g interface.
To delete the configured IMA link, you must execute the following configuration
commands:
•
delete interfaces interface-name encapsulation ima
•
delete interfaces interface-name ima-link-options group g
IMA Test Pattern Procedure
A test pattern procedure is supported for IMA to test the ATM, T1, and E1 interfaces for
irregularities. You can use the CLI to start and end the test pattern procedure.
The following options can be set according to the requirement at the [edit interface
interface-name ima-group-options test-procedure] hierarchy level:
•
interface interface-name—Interface name of the IMA link to test.
•
pattern number—IMA test pattern that can be set from 1 through 254
•
period number—Length of the IMA test pattern that can be set from 1 second through
4,294,967,294 seconds. Default is 10 seconds.
To perform the test pattern procedure, execute the test interface interface-name
ima-test-start and test interface interface-name ima-test-stop operational mode
commands to start and to stop the IMA test, respectively.
IMA Group Alarms and Group Defects
Table 29 on page 177 shows the supported IMA group alarms and their associated IMA
standard requirement numbers. This is displayed in the group status and control field of
an ICP cell.
Table 29: IMA Group Alarms with IMA Standard Requirement Numbers
IMA Standard Requirement NumberAlarm
R-145Start-up-FE
R-146Config-Aborted
R-147Config-Aborted-FE
R-148Insufficient-Links
R-149Insufficient-Links-FE
R-150Blocked-FE
177Copyright © 2017, Juniper Networks, Inc.
Chapter 6: Configuring ATM Interfaces
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