I have downgraded one of the new FIs (6248UP) I just purchsed from version 2.1 to 2.0(5a). It is connected in a cluster with another 6248UP. The only difference between them is the BIOS version - the new 3.6.0 the old 3.5.0. The FC port-channel on the new FI refuses to work. The FC connections without port-channel work fine and register with NPIV mds switch, but the port-channel always shows Link Failure after it tries to come up for about 3 minutes. Anyone has an idea why FI downgraded from 2.1 to 2.0 won't function for FC port-channel?
I didn't test it with firmware 2.1, I will give it a try. I installed the latest 2.0 package - 2.0(5f). Below is the show version, and show interface. MDS model is 9222i with NX-OS 5.2. It works well with all my other FIs running firmware 2.0 and connected with SAN Port-Channel. The problem is only with that new FI that just came in, and the only difference I see with my old FI is the BIOS version 3.6. I eliminated all other problems - moved cables around, used different MDS ports.
The problem is only with SAN Port-Channel. Individual FC interfaces register with NPIV just fine.
There is no need to upgrade the firmware to 2.1 this won't resolve the issue. From What I can tell this is a problem with your MDS as it doesn't recognizes the OUI of the new UCS fabric interconnect (see defect below)
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