supply , installation , configuration and maintenance of iocl marketing head office dc security components with support for five years , procurement of security devices ( hardware ) with management and log server ( hardware/vm ) , license subscription for 5 years as per technical specifications for various security solutions . , perimeter firewall solution , perimeter ips solution , datacenter ngfw solution , comprehensive support for above for 5 years & existing f5 ssl vpn solution for 3 yrs ( quote annual rates ) . the quantity against each line item is hardware quantity x 5 ( years ) i . e 10 = 2 ( devices ) x 5 ( years ) . , comprehensive support of perimeter firewall solution for 5 years , comprehensive support of perimeter ips solution for 5 years , comprehensive support of datacenter ngfw solution for 5 years , comprehensive support of 2 nos . f5 ssl vpn solution for 3 years , consolidated one time installation charges , one time installation charges for full solution as per rfp , resident engineer for operations and management for 5 years ( quote quarterly rates ) . quantity 20 is = 4 qtr x 5 ( years ) , 1 no . of l2 level manpower support on regular shift , consolidated price for buy-back items , buyback of existing perimeter firewall , perimeter ips , dc firewall , dc ips devices as per annexure