A list of some of the common IOM FEX issues and recommended solutions to troubleshoot and fix these issues is as follows. For a detailed list of UCS error messages, follow the preceding link.
Issue
Recommended solution
The IOM port fails
For this fault, generate a tech-support file for Cisco UCS Manager and the chassis or FEX module
Contact Cisco TAC
The IOM shows insufficient-resources
Verify the VIF namespace size and its usage
Delete all vNICs on the adapter over the maximum number
Add additional fabric uplinks from the IOM to the Fabric Interconnect and re-acknowledge the chassis
If the preceding actions did not resolve the issue, generate a tech-support file and contact Cisco TAC
The IOM shows satellite-connection-absent
Verify that the Fabric Interconnect server port is configured and enabled
Verify that the links are plugged in properly, and re-acknowledge the chassis
If the preceding actions did not resolve the issue, generate a tech-support file and contact Cisco TAC
The IOM displays satellite-mis-connected
Make sure that each I/O module is connected to only one Fabric Interconnect
Verify that the links are plugged in properly, and re-acknowledge the chassis
If the preceding actions did not resolve the issue, generate a tech-support file and contact Cisco TAC
The IOM displays equipment-removed
Reinsert the IOM module and wait a few minutes to see if the fault clears
If the preceding action did not resolve the issue, generate a tech-support file and contact Cisco TAC
The IOM shows unsupported-connectivity
Verify that the number of links in the chassis discovery policy are correct
Re-acknowledge the chassis
If the preceding actions did not resolve the issue, generate a tech-support file and contact Cisco TAC
