delivery up gradation replacement of core and distribution switches and allied network services of vidyasagar university , delivery / up-gradation / replacement of core & distribution switches and allied network services , supply, up-gradation/installation and commissioning of core switches as per details mentioned in section-5: scope-1.a of the work in the niet document.the switches should have minimum of 7 years comprehensive onsite hardware replacement warranty with nbd shipment and software/technical support. the technical specifications / details are given in the technical requirement specifications – cum - compliance sheet (annex-7) , establishment/fresh deployment and configuration of network servers (as mentioned in section-5, scope-1.b) and implementation of nms with 1000 device capability (as mentioned in section-5, scope-1.c). the technical specifications / details are given in the technical requirement specifications – cum - compliance sheet (annex-7) , supply, installation and commissioning of distribution switches as per details mentioned in section-5: scope-2 of the work in niet document.all the switches should have minimum of 7 years comprehensive onsite hardware replacement warranty with nbd support and software/technical support. the technical specifications / details are given in the technical requirement specifications – cum - compliance sheet (annex-7) , 10g lr (single mode) optical fiber modules , additional 3 years of comprehensive onsite hardware replacement warranty (beyond initial 7 years) with nbd support and software/technical support for the 2 core switches , additional 3 years of comprehensive onsite hardware replacement warranty (beyond initial 7 years) with nbd support and software/technical support for the 15 distribution switches , 1g lr (single mode) optical fiber modules