OV2500 NMS - RELEASE 4 - 100 NODE MANAGEMENT EXTENSION for UPGRADE deployments. Additional license for 100 x ALU ENTERPRISE devices AND 100 x 3RD PARTY devices. 1 x license count per ALU switch in stack/VC configs; 1 x license count per 3rd PARTY management IP. Requires online activation. ONLY APPLICABLE in conjunction with part OV4-START-UPG. Can be combined with other extension types OV-NM-EX-x-U to provide cumulative total of required managed nodes..Requires previous OV2500 NMS instal (3.5.X.& prior)