I think I've got this corrected.  I defaulted the Intel Modular server and started over.  It appears to be working now.???
I have an Intel Modular Server () that I'm trying to connect to a Dell Powerconnect 5224.  I've completed the configuration on the server side (per: [URL] but I'm having trouble on the 5224 side. Here is the relevant part of my 5224 configuration:
Creating a multi-port trunk on Intel Modular Server with Dell Powerconnect 5224