The Cisco SGE2000 24-port Gigabit Switch helps maximize system availability, with fully redundant stacking, redundant power options, & dual images for resilient firmware upgrades. The switch helps secure the network through IEEE 802.1Q VLANs, IEEE 802.1X port authentication, access control lists (ACLs), denial-of-service (Dos) prevention, & MAC-based filtering. The enhanced quality of service (Qo S) & traffic-management features help ensure clear & reliable voice & video communications. Please note: networking components such as switches, routers & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.