The many LAN connectivity modules for the Cisco 3600 platform are designed to accommodate a range of application needs in customer networks. The LAN network module family assures customers that they can choose a LAN connectivity solution that fits their requirements. Available as network modules, LAN connectivity options offer several port densities, media options, and speeds. As modular components, they are easily and inexpensively field-upgradable as customer requirements change.This is a Two-port Ethernet, plus two WAN interface card slots module.