Foundry Networks is a leading provider of high-performance enterprise and service provider switching, routing and Web traffic management solutions including Layer 2/3 LAN switches, Layer 3 Backbone switches, Layer 4 - 7 Web switches and Metro Routers.Foundry's customers include the world's premier ISPs, Metro service providers, and enterprises including e-commerce sites, universities, entertainment, health and wellness, government, financial, and manufacturing companies.This product is a 48-port 10/100/1000 Ethernet MRJ-21 module for BigIron RX Series.