The Cisco SGE2000 24-Port Gigabit Switch helps keep your data safe and provides maximize system availability, with fully redundant stacking and dual images for resilient firmware upgrades. You can secure your network with the help of security features such as IEEE 802.1Q VLANs, IEEE 802.1X port authentication, access control lists (ACLs), denial-of-service (DoS) prevention and MAC-based filtering.