To manually change the management port IP address you will need to get the serial cable that came with the unit and connect it to the controller module you are wanting to configure. You will see an option to press Ctrl+break and then after that press Shift S when prompted. At that point you will get a menu with option 1. Display IP 2. Change IP 3. Reset Password. Select the option 2 and it will allow you to change the IP address to what you want.  Once you are done you will need to do the same on the other controller module to ensure they are both configured correctly. Please let me know if you have any other questions or concerns.
Hi, I would like to configure an static IP address for the MGMT ethernet port in the MD300f in the owner's guide it says in page 69: "RAID controller module network configurations can be assigned using aDHCP server (the default setting). However, if a DHCP server is not available for 150seconds, the RAID controller modules assign static IP addresses. The addressesassigned are 192.168.128.101 for controller 0 and 192.168.128.102 for controller 1."  how do I configure the RAID controller IP?  Regards Pablo
MD3600f how to configure raid controller IP address