Specifications

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Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches
Release 5.2, Part Number OL-6484-01 Rev. C0, September 2005
Chapter 4 AXSM Card Management
Managing IMA Groups
Administratively Enabling and Disabling IMA
You can administratively enable or disable and IMA group to change the configuration or perform other
maintenance on an IMA group. You administratively enable or disable an IMA with the following
commands:
Testing an IMA Link
You can check the validity of an IMA connection by sending a test pattern to the link. If the test pattern
number is the same when it arrives at the receive endpoint of the link, then the link is valid. If the test
pattern number is different or does not arrive at all, then the link is invalid. You can run only one test at
a time. Use the following procedure to start and configure a connectivity test on an IMA link.
Step 1 Establish a configuration session with the appropriate AXSM using a user name with GROUP 1
privileges or higher.
Step 2 Enter the startimalnktst command as follows to start an IMA test on an IMA link:
startimalnktst <group> <link> <test Pattern>
Replace <group> with the number of the IMA group that owns the link you want to test, in format
bay.group. Replace <link> with the number of the IMA link you want to test, in the format
bay.link.Replace <test Pattern> with the number of the transmit test pattern, in the range from 0 through
254.
Note If no value is entered, -1 is the default, which causes the program to select a pattern.
Note If you do not know the number of the IMA group whose link you want to test, enter the
dspimagrps command to list the IMA groups configured on the current card. If you do not know
the number of the IMA link you want to test, enter the dspimalnks command to list the IMA
links configured on the current card.
In the following example, the user starts an IMA link test on bay 1, group 1, link 2, using test pattern 1:
MGX8850.2.AXSME.a> startimalnktst 1.1 2 1
Command Comments
dnimagrp <group> Administratively disables an IMA group. No user traffic can flow through that
IMA group. Replace <group> with the number of the IMA group you want to
disable, in the format bay.group.
Note Enter the dspimagrps command to see the group numbers for all
configured IMA groups on the current card.
upimagrp <group> Administratively enables an IMA group. The IMA group is ready to carry user
traffic.
Replace <group> with the number of the IMA group you want to enable, in the
format bay.group.
Note Enter the dspimagrps command to see the group numbers for all
configured IMA groups on the current card.