Deleting An Ima Group; Deleting An Ima Link; Restarting An Ima Group; Figure 9-3 Ima Group Restart Example - Cisco MGX 8850 (PXM1E/PXM45) Configuration Manual

Chapter 9 Switch Operating Procedures

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
Num
------------------------------------------------------------------------------
2.1
2.2
2.4

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.
required.
Figure 9-3
IMA
group
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Grp Rel
Num Dly
(ms)
2.1 0 Unusable-Failed
2.1 0 Unusable-Failed
2.1 0 Unusable-Failed
Figure 9-3
IMA Group Restart Example
IMA link 1
loopback
A
IMA link 2
IMA link 3
IMA link 4
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
NE NE
Tx Rx
State State
Not In Grp
Not In Grp
Not In Grp
shows an example situation where an IMA restart may be
IMA
group
B
Managing IMA
NE Rx Tx Rx
Fail LID LID
Status
LIF Fail 0 255
LIF Fail 0 255
LIF Fail 0 255
9-93