The SF500 features a number of options to ensure that your network won't come crashing to a halt, including fully-redundant stacking and dual firmware images for safe upgrades. Additionally, the integrated security features of this managed switch prevent unauthorized access to your network's critical data. Included quality-of-service (QoS) functionality bolsters your video and voice communications. The SF500 also supports unit-stacking: up to four separate, connected switches can be configured via a single web interface.

Additional features of the Cisco SF500 Ethernet Switch include:

• 48 10/100 Ethernet ports, two 10/100/1000 Ethernet ports, and two miniGBIC slots for Gigabit Ethernet expansion
• Secure, encrypted management via SSH and SSL, as well as 802.1x and MAC authentication and filtering
• Advanced security: ARP Inspection, IP Source Guard, DHCP Snooping, STP Root Guard
• Support for 802.1q-based VLANs, to segment your network
• Limited lifetime warranty with one year of technical support and free software fixes