There is no matrix that I know of that states for an ISL to work, the code must be xxx or yyy on each end. The ISL concept is very basic and has been in the MDS firmware since version 1.0 software. Even the Trunking ISL code has been there that long.
That said, I believe that you would not have any issues with any 3.x or later code working with the 4.1.1b. I doubt that anyone has tested with the 1.x or 2.x code, but those releases are so back level, you really don't want to be using them these days anyways.
Moquery is the command line cousin of Vizore, it's very helpful and efficient sometimes during the troubleshooting. This article aims to provide moquery cheat sheet to the users for some most common seen scenarios.
Here is the checklist before customers/partners contact Cisco TAC:
Firmware Version of APIC and Switch
Download Switch and APIC techsupport logs
Problem description (Symptoms with details)
Business impact (eg, what kind of services...
moquery usageAPIC moquerySwitchmoquery
This document discuss a common issue observed during the VMM integration & VM workload migration to ACI fabric.
VMware Virtual machines are hosted in Cisco UCS-B seri...