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MBA/MS Orientation Program 17.07.2007. Location and Layout of the Technical Infrastructure at the IIIT Allahabad. Mithilesh Kr. Mishra for INDEM - IIITA (IIITA Network Development, Engineering and Management). Objective. Familiarize with the technical infrastructure, setup

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Location and layout of the technical infrastructure at the iiit allahabad l.jpg

MBA/MS Orientation Program

17.07.2007

Location and Layout of the Technical Infrastructure at the IIIT Allahabad

Mithilesh Kr. Mishra

for INDEM - IIITA

(IIITA Network Development, Engineering and Management)


Objective l.jpg
Objective

  • Familiarize with the technical infrastructure, setup

  • Clarify the basic fundamentals and demonstrate the simplicity and usefulness of services

  • Outline the importance and availability of resources, your role and expectations from you

  • Generate interest to increase efficiency in order to ensure the optimum use of technical resources

  • Equip to handle day-to-day basic technical problems

  • Motivate you all to increase your skills on computer and be part of resource management team

  • Realize the importance of IT in IIITA


Constituents of tech infrastructure l.jpg
Constituents of Tech-Infrastructure

  • Hardware

    • Computers

    • Servers

    • Peripheral Devices

  • Software

    • Operating Systems (System Software)

    • Packages (Application Software)

  • Network

    • Topology (layout)

    • Devices (functional)

    • Services (operational)


Hardware computers l.jpg
Hardware - Computers

  • 1200 + (70% assembled)

  • P-IV 2.0 – 3.4 GHz

  • 512 MB – 1 GB RAM

  • 80 - 160 GB HDD (ATA, SATA, SCSI)

  • CDR/RW, DVDR/RW/smart media drives

  • 17”, 19”, 21” TFT/CRT color monitors

  • INTEL main board (with onboard ports)

  • Internet/multimedia ready

  • Maintenance friendly


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Hardware - Servers

  • 55 + (branded as well as assembled)

  • P-IV 1.6 – 3.0 GHz (dual Xeon Processor)

  • 2 – 4 GB RAM (DDR2)

  • 18 - 36 & 80 GB Hot swap 10/15K SCSI HDD

  • Onboard Gigabit LAN Interface (dual)

  • 15”/17” CRT/TFT color monitor

  • INTEL main board (with onboard ports)

  • Remote administration over network

  • Learning (R & D) friendly


Hardware peripheral devices l.jpg
Hardware - Peripheral Devices

  • Printers(approx. 100)

    • LaserJet, Inkjet (color), Dot Matrix

  • Scanners, Media Convertors, Connectors

  • External Storage Units

  • Web/Video Cameras

  • Audio/Video Mixer

  • Sensors, Speakers, MODEM

  • NAS – 8 TB with RAID 0

  • IP-SAN – 8 TB with RAID 6


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Software Packages

  • All OS from Microsoft (Windows family)

  • Linux (SuSE, Redhat, Fedora, Debian etc.)

  • Solaris, Mac OS X

  • All software products from Microsoft

  • Oracle Database/Development tools

  • Mathematica, Statistica, Matlab, C/C++

  • Simulation Packages (Katia, IGRIP, SimLink, Synopsys, Cadence etc.)

  • Other Freeware tools


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Network Layout

  • Topology – Hybrid (Star + Bus) (OFC route)

  • Backbone (Implementation Layout)

    • 6/12/24 core OFC (single mode)

    • Gigabit bandwidth

    • Redundant lines

  • Network – B Class (easy to scale)

  • Indoor Cabling – Structured Ethernet (CAT5)

  • Subnets – 11 (logical sub grouping of network)

  • IP Addressing – Static & Local (172.16-31.n.n)

  • Domain Names – iiita.ac.in, rgiit.ac.in, iiita.net


Network services l.jpg
Network Services

  • DNS (Domain Name Service), Gateway

  • Firewall & Proxy (protection & sharing)

  • Integrated Central Authentication (LDAP)

  • WWW (www.iiita.ac.in, website.iiita.ac.in)

  • Mail, Webmail & News (to be setup)

  • Student Forum (IIITA chit-chat)

  • Software Repository (myftp.iiita.ac.in)

  • Profile Webpage (50 MB online space)

  • FAQ (indem.iiita.ac.in)


For iiita students l.jpg
For IIITA Students

During study at IIITA, students enjoy

  • Internet Access: 24-hours Internet facility via 50 Mbps (1:4) from BSNL, 1 Mbps (1:1) from ERNET

  • Mail account: 500 MB Mailbox, 15 MB attachment, alias, mail forwarding etc. mail.iiita.ac.in

  • Web Profile: 50 MB Web space for hosting your own websites/profiles at profile.iiita.ac.in/mail-id

  • MyIIITA: Birthday Reminders, Circulars, etc. through Institute website at www.iiita.ac.in

  • IIITA Forum: Reunion portal for students/alumnae at forum.iiita.ac.in

  • Download: Request based service, archive


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IntranetConnectivity

Server Room

Internet

Router

BB Switch

OFC

CC1

LT

GW

GW

MS Lab

MBA Lab


Mba lab l.jpg
MBA LAB

  • VLAN 25

  • IP Range 172.25.2.24-72 & 73-110

  • Gateway 172.25.2.1, DNS 172.31.1.30

router

INTERNET

INDEMICA

MBA LAB

Backbone Switch


Internet termination l.jpg
Internet Termination

  • Leased Line (circuit termination)

    • 50 Mbps from BSNL (over fiber)

    • 1 MBPS from ERNET (over copper)

  • MODEM & Media Converter (terminator)

  • Router (CISCO 3600/1700 & DLink DI-2630)

  • IP Range (210.212.48.1-62)

  • DNS IP (210.212.48.30 & 210.212.48.62)

  • Subnet Mask 255.255.255.192

  • Gateway 210.212.48.1

  • Round the clock Internet service at Campus LAN


Network switches l.jpg
Network Switches

  • CISCO 4000 Back Bone Switch (Layer 3)

    • Manageable for packet routing and forwarding

    • 12 Fiber ports (Gigabit)

    • 24 Ethernet ports (Gigabit)

    • Configured for 12 Virtual LANs on each Fiber ports

    • Routing enabled amongst VLANs

    • VLAN Traffic monitoring and controlling

  • CISCO 2950 Distribution Switch (Layer 2)

    • Manageable for packet forwarding

    • 2 Fiber ports (Gigabit)

    • 24 Ethernet ports (Gigabits)

  • DLink 1024R+ (Local switch)

    • Unmanageable (auto management)

    • 24 Ethernet ports (10/100 Mbps)


Virtual lans l.jpg
Virtual LANs

  • Logical partitioning of LAN

  • 172.16-31.n.n

    • E.g. 172.18.1.2., 172.31.1.22

  • 172.16-31.1.1 gateway to VLANs

  • 172.16-31.1.2 gateway to building LAN

  • IP Range – 172.16-31.n.11-55 (may vary)

  • Netmask – 255.255.255.192

  • DNS – 172.31.1.30 & 172.31.1.62

  • Fly-over for Internet at CC1 and CC2

  • Central Firewall at Server Room


Server room l.jpg
Server Room

  • Central - in Lecture Theater

    • Internet/Intranet/Intercom termination (CLAN)

    • Internet/Intranet service hosting

    • Central firewall, authentication & file storage

    • Traffic monitoring and bandwidth management

    • Proxy authenticated Internet service

    • Web sites and mail service

    • Software repository

  • Regional - Local at each building

    • Building LAN (BLAN) termination

    • Internet/Intranet service hosting

    • Fly-over (Firewall+Gateway+Proxy) at CC1 & CC2

  • Intercom service (Telephone exchange)

  • Managed by STUDENTS (INDEM)


Network configuration l.jpg
Network Configuration

  • Computer Name (e.g. cc10210)

  • Domain Name (iiita.ac.in)

  • IP Address (must be in valid range)

  • Subnet Mask (255.255.255.192)

  • Gateway (172.n.1.1) (n = 16 to 31)

  • Primary DNS (172.31.1.30 or 172.31.1.62)

  • Secondary DNS (202.54.15.1)

  • WINS (nothing)

  • Computer name must be set


Basic network troubleshooting l.jpg
Basic Network Troubleshooting

  • Status of NIC and patch cord

  • Proxy setting

    • Auto script (http://www.iiita.ac.in/proxy.pac)

    • IP address and port number (172.31.1.4:8080)

  • Gateway/DNS/host checking

    • PING (ping 172.25.1.1)

    • TRACEROUTE (tracert www.iiita.ac.in))

    • NSLOOKUP (nslookup www.google.co.in)

    • NET commands (net share)

  • Status of switch port (green-100,orange-10Mbps)

  • Enable/disable LAN connection

  • Network utilization (using task manager)


Iiita website www iiita ac in l.jpg
IIITA WEBSITE www.iiita.ac.in

  • Architecture, Design, Themes

  • Photo Gallery

  • MyIIITA

    • Birthday reminder

    • New mail reminder

  • Faculty/Students Profiles

  • Other Websites (programs, projects, events)

  • Telephone Directory

  • TriNetra (Live/On demand Video Streaming)

  • Student Forum

  • Previous versions (archive of x-versions)


Iiita mail user id@iiita ac in l.jpg
IIITA Mail [email protected]

  • 250/500 MB inbox size (as per need)

  • Central authentication (single user-id/password)

  • IMAP/POP3 enabled, mail client configuration

  • Address search, Mail Archiving

  • Display settings and quota monitoring

  • Spam filtering, spell checker

  • Mail buffer for redundancy

  • Mailing list, Attachment size 15 MB

  • Avoid misuse of IIITA mail account

  • How to configure mail client (outlook)


Pc management l.jpg
PC Management

  • Hard disk partitioning

  • Operating System (main software)

  • File system, Plug & play devices

  • Virtual RAM, Video RAM

  • Registry database size (for Windows)

  • Swap partition (for Linux)

  • Control Panel, Regional settings

  • Program Installation/Uninstallation

  • Network configuration and Firewall

  • Computer naming (xyz.iiita.ac.in)

  • Foreground and Background services

  • Process/Performance monitoring


Electronic file management l.jpg
Electronic File Management

  • Separate file/data partition (multiple)

  • NTFS file system (secure)

  • Restoration from Recycle bin

  • Folders by name of physical files

  • Single document on single topic

  • Max. 30-40 pages in a single file

  • – (hyphen) separated file/folder names

  • Check the last accessed date before opening the file

  • File/folder list views customization


Anti virus l.jpg
Anti Virus

  • Software versions do not matter

  • Virus definition files should be up to date

  • Auto updation of virus definition is possible

  • Scheduled scanning and monitoring

  • Avoid use of external storage media

  • Central solution is also available (clients)

  • Single solution is enough

  • Fix-tools for worms are available online for downloads


Performance tuning l.jpg
Performance Tuning

  • Disc scanning, Defragmentation

  • Virtual memory on multiple partitions

  • Portable registry database (regular watch)

  • Remove TEMPORARY files (must)

  • Proper un-installation of software (must)

  • Avoid installation of online software tools (e.g. musical desktop, fancy watch etc.)

  • Proper shutdown of programs as well as system (must)

  • Remote desktop is handy but slow (avoid)


Indem role l.jpg
INDEM – Role

  • In-house experimentation, implementation, maintenance the network resources

  • Competent guidance & faith of authorities

  • Students volunteer as active member

  • High-tech implementations (open source)

  • Reliable and secure Internet/Intranet services round the clock

  • Technical challenge rather than problem

  • Innovative and learning environment

  • User/Management friendliness, IIITA flavor


Precautions l.jpg
Precautions

  • Each and every activity is under close monitoring

  • Log files are generated at servers for critical and unhealthy activities (auto feature)

  • IP addresses and Login accounts are traceable

  • Official withdrawal of technical services and/or punishment for wrong practices over LAN

  • Appreciation for reporting on system’s bug/flaw

  • Download, chatting are discouraged in Labs

  • Innovative ideas, algorithms are solicited

  • Help line – [email protected]


The end l.jpg
The End

Thanks…

Happy Computing at IIITA

Doubts/Query ?..


Demos l.jpg
Demos

  • Desktop (wallpaper, screen saver, display settings, refresh rate, shortcuts etc.)

  • My computer (manage, property, devices, services, session, share etc.)

  • Windows Explorer (file view, options, file association etc.)

  • Task manager (processes, resource utilization and optimization)

  • Control panel, Registry, Remote Desktop

  • Help from system and search engines (GOOGLE)


Network classes l.jpg
Network Classes

IP Address Class Network and Host Capacities





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