First, make sure there is physical connectivity between the Fabric Interconnect and IOM. For the IOM ports configuration, the global chassis discovery policy, discussed in Chapter 4, Configuring Cisco UCS Using UCS Manager, needs to be configured using the following steps:

1. Log into UCS Manager.
2. Click on the Equipment tab in the navigation pane.
3. In the Equipment tab, click on Equipment.
4. In the work area pane, select Policies and select Global Policies.
5. Under the Chassis/FEX Discovery section, click on the down arrow and select the desired number of IOM links in the Action field:

6. For UCS 2200/2300 IOMs, select the Port Channel option and all IOM connected server ports will be automatically added to a port channel.
7. Click on Save Changes.