R640 ESXi Management port not working after reboot.

Dell R640

6.7.0 Update 3 (Build 14320388)

I worked with the system for months and now that it is on site the iDRAC port works, the VMWare VM network port works (I can ping the running VMs) but the ESXi Management port is not responding.

There is now some question as to the correct port. We just connected all 4 of the R640 Ethernet ports to a switch with a laptop and pinged all the IP addresses but the management port never replied.

They even checked the ESXi console and there are no errors and it displays the same IP address I’ve been using.

Is it something odd where you must have the correct port connected at boot or it will not work?