The cluster interconnect ports e0a/e0b shows down

Applies to

• FAS2750
• ONTAP 9

Issue

• Controller A e0a direct connect to controller B e0a, the link could not bring up.
• Controller A e0b direct connect to controller B e0b, the link could not bring up.

Example:

To check port down by running "sysconfig -a" command via console, or examining " SYSCONFIG-A " in ASUP.

    slot 0: 10 Gigabit Ethernet Controller IX5-SFP+
        e0a MAC Address:    d0:39:ea:xx:xx:xx (auto-unknown-fd-down)
            SFP Vendor:         Molex Inc.      
            SFP Part Number:    747529718       
            SFP Serial Number:  925xxxxxx      
        e0b MAC Address:    d0:39:ea:xx:xx:xx (auto-unknown-fd-down)
            SFP Vendor:         Molex Inc.      
            SFP Part Number:    747529718       
            SFP Serial Number:  925xxxxxx      
        Device Type:        X550EM
        Firmware Version:   1.13-7.1