supply and installation of sonicwall nsa 4700 firewall with 3-year essential protection suite license - buyback - computer centre supply and installation of sonicwall nsa 4700 firewall with 3-year essential protection suite license under buyback scheme for the computer centre, periyar university, salem. , cat (a) - supply and installation of sonicwall nsa 4700 firewall including a 3-year license for the essential protection service suite: note: please ensure that the hsn code is mentioned in the hsn / sac code for gst rate column without fail for each item. , sonicwall nsa 4700 secure upgrade appliance under buyback of existing sonicwall nsa 5600 including essential protection service suite for 3 years license. (security service - node upgrade, virtual assist, ssl vpn, global vpn client enterprise, wan acceleration client, botnet filter, stateful high availability, comprehensive/advanced gateway security suite, gateway av/anti-spyware / intrusion prevention/app control/app visualization, content filtering: premium edition, capture advanced threat protection. support service - 24x7 support, software and firmware updates, hardware warranty) (note: please refer to the tender notice for detailed technical specifications) , cat (b) - buy back items , buy-back (ie minus)- buyback method (take back old goods and supply and installation of new goods as per the above specification) old item: firewall : sonicwall nsa 5600