The ATS0020 is a 24-port gigabit Ethernet switch for the PICMG 3.0 network in a ATCA shelf. Ports are provided to support the full 16 slot shelf with both redundant switches and redundant shelf managers. 8 uplink ports on base are also provided for connections between shelves and to outside networks. The ATS0020 features layer 2 switching and layer 3 routing as well as advanced features such as a DHCP server, independent VLAN learning, VRRP, RIP, OSPF, rapid spanning tree, DiffServ, and access control lists. With support for a industry standard CLI, telnet/SSH, SNMP, RADIUS, and a web interface, the ATS0020 provides robust management. The ATS0020 also features a 400MHz CPU with 128MB SDRAM and 32MB flash for the most demanding of applications.