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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 IMA
Deleting an IMA Group
To delete an IMA group, enter the delimagrp <bay.group>. Replace bay with the number 1 to specify
the top bay, or 2 to specify the lower bay. Replace group with the IMA group number you want to delete.
In the following example, the user deletes the IMA group 3 in the lower bay.
Unknown.7.PXM.a >
delimagrp
2.3
Enter the dspimagrps command to ensure that the correct IMA link is deleted.
Deleting an IMA Link
To delete an IMA link, enter the delimalnk <link> command. Replace bay with the 2 to specify the lower
bay. Replace link with the IMA link you want to delete, in the range from 1 through 16.
In the following example, the user deletes the IMA link 3 in the lower bay.
Unknown.7.PXM.a >
delimalnk
2.3
Enter the dspimalnks command to ensure that the correct IMA link is deleted.
Satire.2.PXM.a >
dspimalnks
Link Grp Rel NE NE NE Rx Tx Rx
Num Num Dly Tx Rx Fail LID LID
(ms) State State Status
------------------------------------------------------------------------------
2.1 2.1 0 Unusable-Failed Not In Grp LIF Fail 0 255
2.2
2.1 0 Unusable-Failed Not In Grp LIF Fail 0 255
2.4
2.1 0 Unusable-Failed Not In Grp LIF Fail 0 255
Restarting an IMA Group
An IMA group must be restarted whenever a configuration or link-failure event causes the IMA group
to stop operating correctly.
shows an example situation where an IMA restart may be
required.
Figure 9-3
IMA Group Restart Example
IMA
group
A
IMA link 4
IMA
group
B
1
16411
IMA link 3
IMA link 2
IMA link 1
loopback
