Description OmniStack is a series of small Ethernet and 10/100 switches that deliver powerful Switched Network Services, Fast Ethernet uplinks, ATM uplinks, Gigabit Ethernet uplinks, WAN uplinks, and layer-three switching, all at low cost. What sets these switches apart from other small switches is Alcatel's focus on power, flexibility, and network services. The OmniStack 5000 combines Fast Ethernet switching with the complete range of OmniStack uplink options, layer 3 switching, and software options. It supports 24 10/100 100BaseTX (copper) ports. Various models have sufficient CAM to support up to 3K or 8K MAC-layer addresses.