According to -- http://www.cisco.com/warp/public/cc/pd/si/casi/ca3500xl/prodlit/3500x_ov.htm "Catalyst 3548 XL---A single-rack-unit (RU), stackable 10/100 and Gigabit Ethernet switch with 48 10BaseT/100BaseTX ports and... ...two GBIC-based Gigabit Ethernet ports... The Catalyst 3548 XL is ideal for delivering dedicated 10- or 100-Mbps to individual users and servers in high-density workgroups from a stack, cluster, or standalone configuration. Built-in dual GBIC-based Gigabit Ethernet ports provide users with a flexible and scalable solution for Gigabit Ethernet uplinks and GigaStack GBIC stacking". Good Luck.. BTW, do you have a CCO login so I can look around in there? _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]