The network IP addressing scheme for the Frederick MD building should be designed to ease network management. A well thought out network subnet design enables administrators to quickly locate computers by IP address by building floor and room, and whether the computer is a server, a student computer, staff computer or instructor’s computer. A proper subnet design will also minimize broadcast traffic that decreases network performance, by reducing the total number of computers allowed in each broadcast domain. A proper subnet design will also provide for efficient use of IP addresses by including only the number of IP addresses in each subnet necessary to All switches will be configured to use the OSPF (Open Shortest Path First) protocol to facilitate routing traffic between VLANs, and STP (Spanning Tree Protocol) will be enabled to prevent network loops, which can cause poor performance and/or disable the network. The switches will be connected in a partial mesh to minimize single points of network failure. An HP E-802.11N series wireless access point will connect into the HP network, providing VLAN support and 104 Mbps network access speed. A Cisco 5505 ASA firewall security appliance will be installed to protect the private network from the Internet and provide IPSec VPN connectivity to the main UMUC office. Dell PowerEdge T310 server hardware with the Windows Server 2008 operating system will be installed for the Active Directory and Microsoft Exchange servers and as dedicated file servers for each lab. This hardware includes a RAID 5 fault tolerant, hot swappable disk array that will continue to operate even if one drive in the array fails. The Dell PowerEdge T310 is also equipped with dual hot swappable power supplies so that the server will continue to operate if a single power supply fails, and failed power supplies can be replaced without incurring downtime. Each Dell server is also equipped with a UPS (Uninterruptible Power Supply) to filter power line surges and enable graceful
