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# Campus Network

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• Opportunity to work with a talented and dedicated staff of individuals. My assignment for today was to do a presentation on the Network, I would like to have one on the Web Services we provide. BUT We know that no matter what happens…. Email is done, the internet is slow, no one can logon …. The electrical power goes off in the building…… it is always a network problem. So
• Abbreviations like Kb, KB, Mb and GB are often confused, misunderstood or used incorrectly. Here is a brief explanation of proper usage. The only data that a computer can understand is on and off . But those two simple commands can be grouped into millions of combinations and it is the way they are grouped in series that creates complex data. The basic unit is called a bit ( b inary dig it ). Each bit has an electronic switch, or gate . If the gate is open the bit is on and electricity can go through. The computer reads on or open switches as a number 1. If the gate is closed or off, the electricity is blocked and the computer reads off bits as 0. Bits can be grouped together to allow more complex code. Eight bits are grouped together to form a byte . This allows 256 possible combinations of 1/0. The abbreviation for bit is a lowercase &quot;b&quot;; the abbreviation for byte is an uppercase &quot;B&quot;. Bits and bytes can then be expressed in larger measurements. They are generally expressed in exponents of two, known as binary code. Kilobyte   210 Two to the 10th power = 1024 Bytes = 1.024KB MB Megabyte - Megs 220  Two to the 20th power = 1,024 KB = 1,048,576 B GB Gigabyte - Gigs 230 Two to the 30th power  = 1,024 MB = 1,048,576 KB TB Terabyte  240  Two to the 40th power  = 1,024 GB = 1,048,576 MB PB Petabyte 250 Two to the 50th power  = 1,024 TB = 1,048,576 GB
• We remember the good times and attempt to forget the bad times. Our network just a short 18 months ago was….
• Not an all inclusive list, not all the services we provide, just the monitor points we have and are establishing on the Network.
• Still a class B. But now we have multiple VLANs over 130 which segment our network traffic and increases the overall performance of the network. Switches
• Two main distribution points. Two stars. The Truman network is an Ethernet network that provides switched 10/100 network ports for each computer.   High speed network links connect campus buildings and the Internet.  TCPIP is the network protocol. The campus data center is located in McClain Hall.  The connection to the Internet is in Violette Hall.  The network has two distribution nodes where campus buildings are connected to the network.  One node is in McClain Hall and the other node is in Violette Hall.  A high speed fiber optic backbone connects the Violette Hall and McClain Hall distribution nodes.  To view a diagram of the Truman network click here . Our Internet connection is a 40 meg ATM link provided by the Missouri State Agency MOREnet .  We have a Firewall and a &quot;bandwidth management by application&quot; device called a PacketShaper on the Internet connection.
• How is MOREnet&apos;s network arranged? MOREnet has five hub locations: Columbia, Jefferson City, Kansas City, Springfield and St. Louis. The hubs are connected together as a ring with a spoke across the middle. See our Backbone Utilization Map for a graphical representation. Our architecture provides good redundancy in the face of backhoe-induced outages. The network backbone is ATM, and we have one OC12 on each leg. Our circuits to our Internet providers are Packet-Over-Sonet. Each of our customers connect to the nearest hub via pure ATM or ATM to Frame Relay interworking. What equipment do you use at the core? We use Stratacom BPX ATM switches to run our ATM backbone.
• Only Packeteer will allow you to: Determine which applications, users, and locations consume the most available bandwidth Ensure network priority for critical applications, such as SAP, Oracle, Citrix, VoIP, and email Block and contain undesirable recreational and malicious traffic Apply compression and acceleration to maximize available bandwidth and avoid WAN link upgrades Improve and protect the performance of urgent and critical applications Contain important but less urgent traffic (such as large email attachments) Increase overall WAN and application performance by 3X or more!
• Data from last Friday. Notice the change in daily versus weekly.
• TruView is Truman State University&apos;s portal system. It provides access to student email and calendaring, Student, Faculty and Staff records, communication tools, and a customizable layout for access to a wide variety of news and other information.
• Utilizing SMS Systems Management Server Do not gather data on Macintosh OS or Linux at this time.
• based on our spring 2005 survey results
• Truman State University&apos;s virtual private network (VPN) is available to students, faculty and staff to provide a secure network connection between your off-site computer system and resources on the local Truman network. You can use the VPN to connect to Truman network drives (like W: or Y: drives), access the restricted library databases and connect to most other Truman network resources when you are away from the Truman campus
• Current network access. An 802.11b wireless computer network is available on the Truman campus in the following areas. Centennial Hall main lounge The Quadrangle The Student Union Pickler Memorial Library Ryle Hall main lounge Violette Hall main lounge Performance The wireless computer network provides network access where it wasn&apos;t possible before; such as in residence hall lounge areas, outside in the Quadrangle, in the Student Union quiet lounge etc.  The wireless network provides an 11 meg (best case) shared network connection for each user.  Wired network ports like the ones in residence hall rooms or faculty offices provide a 100 meg switched network connection.  Wireless networking is very convenient, but it doesn&apos;t provide the same level or performance as a wired network connection. Interference For 802.11b wireless computer networks, there are several possible sources of interfering signals, including 2.4 GHz wireless phones, some microwave ovens, X10 wireless cameras, Bluetooth wireless devices, and other wireless LANs.
• Truman New Dial-up Truman&apos;s new dial-up system is provided for faculty and staff to provide remote access to local Truman network resources and to the Internet. This newly installed system provides faster access to the Internet than the old system.  The new system uses digital lines to allow for speeds of up to 56Kbps.  This is the maximum speed at which dial-up can currently run.
• The number logged in is fairly representative of the student survey that was presented earlier.
• In your handouts, a list of network printers for faculty/staff and students. We have upgraded the student accounting print software, and upgraded the fac/staff operating system on the server.
• File Storage of files for the past week.

## Campus NetworkPresentation Transcript

• Truman State University Campus Network George Beshears, Technical Director Information Technology Services ITAC Presentation February 27, 2006
• Housekeeping Item
• Please turn all cell phones and pagers to stun mode
• Agenda
• Campus network Overview
• Campus Network – Past
• Campus Network – Present
• Services Provided
• Campus Network - Future
• Tim Warren Executive Director George Beshears Technical Director Diane Richmond Web Integration Manager Jim McNabb Network Systems Manager Greg Marshall Web Developer/TruView Walt Howd Network Technician II Liyan Liao Web Content Specialist Gwen Perrachione Network Systems Admin Scot Newbold Network Technician II Student Workers Student Workers
•
• Byte Chart
• Bit - b = 1 (true) or 0 (false)
• Byte  - B = 8 bits = 1Byte
• Kilobit - Kb = 1024 bits
• Kilobyte - KB = 1024 bytes
• Megabyte – MB or Megs = 1,024 KB
• Gigabyte - GB = 1,024 MB
• Terabyte - TB 1,024 GB
• Petabyte - PB 1,024 TB
• Network Structure (Past )
• Class B network which supports 65,000 hosts on each of 16,000 networks
• 150.243.xxx.xxx
• One flat VLAN
• Just 2 to 3 rogue machines could bring down the entire network
• MoreNet connection was 20 meg
• Services - Monitor Points SUB Tetradata             ACS             Email Mobius             Mysql AD Auth             Web Dept Services             Truview sql DHCP HD Ticket System Johnson controls             Prod sql DNS Truman Router Sodexho Databases Printer Sharing PC/Mac Internet Firewall Vendor services      Webcam File Sharing PC/Mac Packet Shaper PCs/Printers      Streaming Network MORE Net Labs/Classrooms      Personal web University Farm? Internet           AR      Blackboard   Wireless Internet Connectivity             HR      Truview VPN Student email server             FA Banner web Dial Up Fac/Staff  email server             Stu Stu org web Clean Access Pure Message             Alum dept web pages Switch Gear Router Banner Web LAN Email
• Network Structure (Present)
• Still class B
• Switches
• Multiple VLANs
• Ability for VOIP
• MoreNet connection expanded to 40 meg over ATM
• Network storage expanded
•
•
• Pix Firewall
• A barrier between the internet and our local area network (LAN)
• It resides between the MoreNet router and the Packetshaper
• Packetshaper
• Provides bandwidth provisioning
• Application management
• Classes
• Inbound                                                                                                                                                                                             Outbound                                                                                                                                                                                             Total Bytes Received: 1724.7G           Total Bytes Sent: 856.2G Packetshaper One Week Average Traffic
• Router
• Directs IP traffic
• Email is directed to email router/ PureMessage
• Remaining traffic is routed to the 6513 switch located in Violette Hall
• PureMessage
• Our email gateway serving as the first line of defense
• Checks for viruses, spam and content security threats at the network edge
• Mail types – One Week from PureMessage 128 messages were released from the quarantine in the last 24 hours 3,033,828 4,434 2,282,202 747,192 Totals 443,932 686 336,624 106,622 2/24/2006 439,318 754 329,334 109,230 2/23/2006 442,404 734 329,242 112,428 2/22/2006 463,774 684 302,814 160,276 2/21/2006 468,302 668 332,176 135,458 2/20/2006 398,536 484 333,136 64,916 2/19/2006 377,562 424 318,876 58,262 2/18/2006 Total Virus Spam Other Date/time
• Top Spam Senders in 24 hours
• 1988angel@verizon.net1922julie@verizon.net
• Top Virus types – for 24 hours   Top Virus types - last 7 days   12 W32/Mytob-EF 14 W32/Mytob-GH 14 W32/MyDoom-AJ 20 W32/Mytob-CX 26 W32/Bagle-CH 26 W32/Dolebot-A 36 W32/Bagle-Zip 40 W32/Mytob-C 50 W32/Netsky-P 412 W32/Mytob-DY Count Rule 18 W32/Netsky-N 28 W32/Mytob-CX 28 W32/Bagle-CL 42 W32/Bagle-CH 48 W32/Mytob-Q 82 W32/Bagle-Zip 84 W32/Mytob-C 116 W32/Netsky-P 148 W32/Dolebot-A 774 W32/Mytob-DY Count Rule
• Truview
• Truview Portal usage:
• November: 767 high 86 mean
• December: 400 high 119 mean
• January: 438 high 104 mean
• February so far: 387 high 153 mean
• Custom channels:
• 148 available for personalizing content and layout
• Switches
• Two Cisco 6513s in the Data Centers in Violette Hall and McClain Hall
• Presently over 130 additional switches, consisting of 4507s and 3550s
• Routes traffic to campus network
• Windows Operating System Count
• Faculty/Staff Operating Systems
• Microsoft Windows 2000 Professional  132
• Microsoft Windows XP Professional  1883
• Student Survey Results
• 675 responses from on and off campus students
• 622 Windows
• 36 Mac
• 27 Linux
• VPN
• Offering students, faculty and staff a secure network connection between your off-site computer system and resources on the local Truman network
• Service for 1500 concurrent users
•
• Dial-up
• The dial-up system is provided for faculty and staff to provide remote access to local Truman network resources and to the Internet.
• Weekly Graph (30 Minute Average)
• Max Users  24 . Average Users  10 . Current Users  11
• Clean Access Logged on as of 11:30 this morning Linux = 14 Macintosh OSX = 78 Windows 2000 = 18 Windows XP = 1,343
• Network Printers
• 185 - Faculty and Staff Network Printers
• 43 - Student Network Printers
• Student Network Printing
• Printing last week
• Print Jobs:  12,374
• Black and White Pages:  64,851
• Color Pages:  344
• Total Printed Pages:   65,195
• Network File Storage
• Student Y drives:
• 1,197,424 files
• 90,303,116,758 bytes
• Faculty / Staff Y drives:
• 2,104,409 files
• 343,142,605,017 bytes.
• Department W: drives:
• 958,446 files
• 297,458,316,096 bytes
• Network bytes sent in the last week:
• Maximum 22,121 bytes/sec
• Average 2,753 bytes/second
• Network (future)
• Wireless Project
• Ever increasing demand for file storage
• VOIP
• Keeping pace with changing technology