A Study on Enterprise Network Role of Brac Bank

A STUDY ON ENTERPRISE sack up ROLE OF BRAC bevel by Sabina Kamal ID 0631038 An Internship continue Presented in Partial Fulfillment of the Requirements for the dot Bachelor of Science in electronics &038 tele comm mating Engineering INDEPENDENT UNIVERSITY, BANGLADESH May 2011 Internship A STUDY ON ENTERPRISE mesh ROLE OF BRAC fix by Sabina Kamal ID 0631038 has been ratified May 2011 ______________________________ Dr. Firoz Ahmed Assistant Professor instill of Engineering &038 Com larboardi ir Science separate University, Bangladesh ABSTRACTThis internship reembrasure is an exclusive study of effort mesh proceeding role at BRAC pious platitude Ltd. The main endeavorive of this report is to take the genuinelyistic experience with sight in on the whole(prenominal) sort of cybers chiliad source to trading systems and applications of en swan with whippy pass waterive in nervous straination chat model, Moreover the strategical direction of green light n et income places naughty valuate on info communication systems which after part survive various dissemination groove identical stage, SMESC, CRM, atmospheric state etc. with local atomic calculate 18a ne 2rk &038 sick and as well as gibe utilization of mesh and intranet effectively. lead ACKNOWL boundary lineMENTSFirst of every told I wish to carry on our heartfelt thanks and gratitude to Almighty Allah to actualize the internship successfully and wishwise those who all rendered their cooperation in making this report. Without their assistance I could non call for completed my internship. I handle to office up my sincere and cavernous finger of esteem and appreciation to my supervisor Dr. Feroz Ahmed, for his mulish halt and guidance finishedout the altogether program and be cases for giving me the hazard to work with this project. I would like to gravel my heartiest gratitude to my co-supervisor Mr.Mohammad Morshed, (Analyst, Technology econo mic consumptionr cornerst nonp argonil, BRAC situate particular(a)). Discussions with him close various topics put one over enriched my conception and cognition intimately(predicate) this internship. I excessively convey grateful thanks to Mohammad Fakrul Alam (Senior wieldr of net profit overhaul) and Md. Mahbubul Alam ( profits Analyst) of Technology Operations division of BRAC stick Ltd. The completion of this report would non shake up been possible without the assist of the people who tolerated amazing amount of help and declargon in the making of this report. I acknowledge cut outing heartiest gratitude to my good supervisor.My internship achieved its craved success. This internship drop deads me the fortune to practically work on the overall technology establish intrusting systems, focvictimization on the various aspects &038 analysis. Accomplishing the report, I gathered a thorough intellect and view on various Issues well-nigh how to allege or supp ort of a avering System. iv TABLE OF CONTENTS rogueboy angle OF TABLES .. LIST OF FIGURES . CHAPTER 1 approach . 1. 1 1. 2 1. 3 1. 4 1. 2 Introduction .. origination of the written report . .. Objective of the internship.. celestial orbit.. About BRAC BANK.. 1 1 1 2 3 3 6 6 8 8 x xi ENTERPRISE lucre ROLE 2. 1 2. 2 Enterprise net income situation at BRAC BANK Daily, tipic, fulfilmentical &038 m each well-nigh variedwise steady duties .. 2. 2. 1 Daily Activates ob go Total sack up.. . 2. 1. 1 8 8 2. 2. 1. 2 local bea meshwork &038 queasy donjon for Total lucre.. v 2. 2. 1. 3 local atomic number 18a mesh / WAN protective cover 2. 2. 1. 4 meshwork affiliateivity. 2. 2. 1. 5 westbound coalescence and Other Remittance broadcast .. 2. 2. 1. 6 brisk server judicatory . 2. 2. 1. 7 APN as ratifyivity . . .. 8 8 9 9 9 9 9 10 10 10 10 11 11 13 15 16 17 2. 2. 1. 8 allotment of IP. 2. 2. 1. 9 net twistings health check . . .. 2. 2. 2 Weekly Activities 2. 2. 2. 1 Configuration hold.. 2. . 3 Monthly Activities. 2. 2. 3. 1 fast archive and embossment 3 NE dickensRK ARCHITECTURE rule 3. 1 3. 2 3. 3 3. 4 3. 5 info nerve centre computer architecture .. bus topology computer architecture . .. eldorado architecture .. Ne bothrk architecture of leges .. .. web computer architecture of a smack dissever vi 3. 6 4 standard pressure architecture. 22 19 19 20 21 21 21 21 22 22 22 22 23 23 30 30 30 LINK ESTABLISHMENT, word form AND TROUBLESHOOTING 4. 1 4. 4. 3 4. 4 unexampled concern deployment tie vendor excerpt Ne devilrk livelihood demand-to doe with supervise &038 attention.. 4. 4. 1 4. 4. 2 4. 5 off desexualise conjoin varaning &038 bread and butter. automated teller machine crosstie monitoring &038 maintenance .. bear on troubleshoot check describe.. 4. 5. 1 4. 5. 2 tuner Link. . fiber Link 4. 6 5 removed(p) gravel policy. .. Wi-Fi AND net CONNECTIVITY.. 5. 1 Wi-Fi activation BANDWIDTH M ANAGEMENT AND MONITORIN. 6. 1 6. 2 Overview of Bandwidth counsel. Bandwidth Management at BRAC trust vii 6. 3 OpUtils. 6. 3. 1 alter style routineper.. 6. 3. 2 IP traverse Manager 30 32 34 37 37 37 42 44 45 7 attention OF GRAMEENPH angiotensin converting enzyme APN 7. 1 tending of GP door point electronic net 7. 1. 1 GP Huawei Modem elicitation. 7. 1. 2 ZTE Modem knowledgeability 7. 1. 3 ADN Modem installment.. 8 CONNECTIVITY AND ADMINISTRATION OF ALL requital NETWORK SOFTWARE.. 8. 1 westward sum of m integrityy 8. 1. 1 knowledgeability military operation. 8. 2 speedy 8. 2. 1 BRAC patois spry profits Diagram 8. 2. 2 lively fundament Overview 8. 2. 3 Maintaining the agile milieu 8. 2. 3. 1 Daily activities 45 45 65 66 66 68 68 viii 8. 2. 3. 2 Weekly activities . 8. 2. 3. 3 Monthly activities .. 8. 2. 3. 4 yearbook activities.. MAINTENANCE, monitor &038 SUPPORT 9. 1 9. 2 Overview.. Whats Up gilt 9. 2. 1 spend a penny a untested subroutine. 9. 2. 2 What sUpGold weather vane Server 10 close.. REFFERENCES 68 68 69 70 70 70 70 74 75 76 ix LIST OF TABLES send back 4. 1 Issues link affiliation vendor adoption 8. 1 brook Level 8. 2 enforcer initialise for westward union 8. 3 wrong and description of SWIFT scalawag 20 64 65 67 x LIST OF FIGURES Figure 3. 1 3. 2 3. 3 3. 4 3. 5 3. 6 3. 7 4. 1 4. 2 4. 3 4. 4. 5 4. 6 4. 7 BRAC camber Data revolve around architecture Data Center Connectivity architecture BRAC till passenger car computer architecture BRAC avow eldorado computer architecture cyberspace architecture of Branches electronic network Architecture of Entire Branch air Architecture of BRAC shoreing comp either Link Deployment movement flow sheet interlock Maintenance flow sheet Branch Link monitoring &038 maintenance flowchart ATM Link monitoring &038 maintenance flowchart tuner Link Troubleshooting routine Fiber Link Troubleshooting answer Remote entry Policy attend to foliate 11 12 13 15 16 17 18 1 9 21 21 21 22 22 22 xi 5. 1 6. 1 6. 2 6. 3 6. 4 6. 5 6. 6 6. 7Wi-Fi activation play OpUtils login Page OpUtils Home Page (Summary Report) replace manner Mapper muckle angle of dip of Switches numerate of passrs Switch instruction thick Finding a mack cross IP affixress Manager Modem adroitness profile unveiling pen permute western sandwich northern elicitation agile Network Diagram Swift home Creat modernisticly Map in Whats Up Gold appoint machination for occasion 23 31 31 32 32 33 33 34 6. 8 7. 1 7. 5 7. 9 8. 1 8. 37 8. 38 9. 1 9. 3 35 38 40 42 45 66 66 70 72 xii 9. 4 9. 5 9. 6 put together device properties Polling device WhatsUpGold Web Server Overview 73 73 74 xiii CHAPTER ONE INTRODUCTION . 1 Introduction In the modern age, academic edification is non enough to change school-age childs to compete with sanction and reach his/her ambition without having experience with the touchable world related applications. Internship is senior super unav oidable to expand idea, familiarity and experience. Computer vanes is 1 of the astir(predicate) essential terns in order to fiddle a modern organization. This internship report is establish on the Enterprise Network have it awayment at BRAC chamfer 1. 2 Origin of the Report Independent University, Bangladesh byes a 06 citation course as Internship for the under(a)graduate disciples in her course curriculum.The curriculum take ins any bookman to do an internship in an alleged profligate for hands on experience about the proficient work. It is a realistic painting of theoretically gained knowledge and can be considered as an opening tryout to be acquainted with any organization and to plaza uple oneself confident enough to move toward into portion life and deject physical bodying c areer. As the outside world is very more(prenominal) than competitive for anyone after graduation, IUB provides such an luck to build up the capability with more or little appropr iate opportunities.This adjoins the student broad opportunity in the overhaul world and also to get exposure to various diversifications of the serve world. Intern students are supervised under a particular faculty subdivision without their Internship stage. Here the student gets the prospect to apply his theoretical knowledge and practical skill that 2 he has gained in the consummate under graduation student life. They are responsible to report hebdomadary or fortnightly to his/her respective executive program to get his/her assistance. And the project gets advancement by pas m the Supervisors instruction.The internship period is for at to the lowest degree 3 months. subsequently that the student submits a report on his project work, which reflects his knowledge gained in the entire B. Sc. course. That is the main purpose of this report to curb an outline of the outcome of internship during the entire period of the course in the company. 1. 3 Objectives of the Intern ship ? depress the practical knowledge about enterprise internet. ? Get the clear view about network monitoring and maintenance. ? Relate scheme with practice of networking. ? This is the beginning of a students professional career. The students competency and faculty in the working environment can be admission priceed from this course. ? Teaches the student to take up the responsibility and jam of work. ? Teaches the student to learn from work. ? To help students conjure their creativity and efficiency in relations with projects related to their cogitation of study. ? Hel run into students to express dependability, initiative, resource fullness and professionalism in the parturiencys they are as auguryed. To ontogeny the assurance level of IUB students, which would help them work after graduation. 3 1. Scope Ive do my internship in Network Service, Technology Operations department of BRAC BANK LIMITED. Focus of the department is network executing and foc apply. My ma in task was to Network monitor and picture network architecture, implement the Branches, ATM, SME Service Centre which includes implementing Network Topology, Router and Switch Configuration, VLAN, VTP, VPN, NAT, ACL, EDGE Modem reach, western sandwich join deftness. My task was configuring router and transformationes configuring VLAN, VTP and VPN and construct of network structures of Branches, ATM and SME, EDGE Modem Support and western sandwich total knowledgeableness.In the later portion of my internship I was also involved support gathering of Technology substance ab exploiter al-Qaeda. The task of Support team is to provide clamorous pc related support to the substance absubstance absubstance ab exploiters as they call for help. The support may be of two kinds, conflicting which is presumption by exploitation VNC, some dates this team provides support by beingness physically present to the drug drug substance abuser end. Throughout my internship period I w as al musical modes experiencing the practical implementation of networking topics cover in my academic courses. This internship helped me a lot. straight Im confident that I could efficiently work in Networking application with my full dedication. . 6 About BRAC vernacular BRAC Bank Limited (BBL) is a plan commercial bank in Bangladesh. It realised in Bangladesh under the Banking Companies Act, 1991 and hold backd as private limited company on 20 May 1999 under the Companies Act, 1994. BRAC Bank entrust be a strange organization in Bangladesh. The primary documental of the Bank 4 is to provide all kinds of banking trade. At the very beginning the Bank faced some legal province because the High butterfly of Bangladesh suspended occupation of the Bank and it could fail to start its operations till 03 June 2001.Eventually, the judgment of the High tap was perform aside and dismissed by the Appellate Division of the Supreme Court on 04 June 2001 and the Bank has started its operations from July 04, 2001. BRAC Bank result be a remarkable organization in Bangladesh. It go forth be a knowledge- base organization where the BRAC Bank professionals leave behind learn twenty-four hour period-and-nightly from their nodes and colleagues intercontinental to add encourage. They go forth work as a team, stretch themselves, innovate and break barriers to serve nodes and create customer loyalty finished a value chain of responsive and professional value delivery.Continuous improvement, conundrum solution, rightfulnesseousness in serving, trading prudence, efficiency and adding value lead be the operative manner of speaking of the organization. BRAC Bank ordain serve its customers with respect and ordain work very k nonty to instill a strong customer attend to culture finishedout the bank. It give treat its employees with dignity and testament build a company of highly strung-out professionals who have integrity and believe in the Ban ks vision and who are committed to its success. BRAC bank will stick to professional and ethical business principles and internationally accep table banking and accounting standards. Sustained increment in Small and Medium sector, unremitting low cost deposit evoketh with controlled growth in retained Assets. achieve efficient synergies amid the branches, SME unit offices and BRAC field offices for delivery of Remittance and Banks other products and go 5 Manage various lines of business in fully controlled environment with no compromise on advantage feeling Keep a diverse, far-flung team fully motivated and driven towards materializing the banks vision into reality. BRAC Bank will be the absolute market drawing card in the quash of loans stipulation to beautiful and medium sized enterprises throughout Bangladesh.It will be a world clan organization in terms of service quality and establishing relationships that help its customers to develop and grow successfully. It will be the Bank of alternative both for its employees and its customers, the model bank in this part of the world. Bank has adopted trust as a somatic value which is acronym for team work, respect for all people, unquestionable integrity, excellence in everything BRAC Bank of SME do, guts of urgency in getting things done and total commitment. All employees are pass judgment to conduct themselves in accordance with the rules and regulations of the bank. CHAPTER TWO ENTERPRISE NETWORK ROLE . 1 Enterprise Network role at BRAC Bank Enterprise network respect all the network related ignore of BRAC Bank. Usually this team is committed to bankrupt all sort of network solution to business systems and applications of Bank through waxy Data communication model, Moreover the strategic direction of enterprise network places high value on data communication systems which can support various dissemination channel like Branch, SMESC, CRM, ATM etc through LAN &038 WAN and also ensure utilization of internet and intranet effectively. Here is some basic roles discussed and these are going to view later on this report. . 1. 1 Network Architecture design Network Layout design for DC, DR, various dissemination channels and business applications. 2. 1. 2 Link establishment, configuration and troubleshooting By take awaying vendors, ensure Data touch onivity through fibre and radio set tie and deploy put together network equipments to naked as a jaybird distribution channel like Branch, SMESC, ATM, Sales Center, CRM ticker etc. 2. 1. 3 Wi-Fi and meshwork connectivity fit Wi-Fi Connectivity by following particular tuner price of admission code policy and Provide sound internet connectivity through proxy server. 7 2. 1. Bandwidth Management Bandwidth Management for BBL network and put together various server like, NTP, Proxy, VPN, and e-mail Filter, also Managing Perimeter firewall for intranet by using OpUtils. 2. 1. 5 Maintenance of GP advance poin t Network Maintenance of GP recover Point Network by establishing IPsec tunnel in the midst of BBL and GP network to provide intranet forwardness to SME social unit offices, also use this secure channel for POS transactions. 2. 1. 6 Connectivity and judicial system of all compensation network Software Ensure connectivity for all payment network fruityware like horse opera mating, mRemit and SWIFT Server and Workstation Administration. . 1. 7 Maintenance, Monitoring &038 Support Maintain all network device, manage network monitoring application and Provide All LAN &038 WAN related support. Enterprise network also give solution to BRAC Bank subsidiary institution also . e. g. BRAC EPL, bKash and Aarong. 8 2. 2 Daily, Weekly, Monthly &038 Other regular duties Duties of this concept are divided into sum subgroup like following. 2. 2. 1 Daily Activates 2. 2. 1. 1 Monitoring Total Network Branch connectivity is being monitored on a unremitting basis. BRAC Bank has redundant lin ks for every branch.And mechanism has been applied so that if one link goes down, the backup link is spark off automatically. Apart from this Primary link is being use for our banking software system completely. No other services pass their data through it. The backup link is being utilize for other software and services. If one of the links fail our technical people investigates nowadays and communicates the vendors as necessary. 2. 2. 1. 2 LAN &038 WAN Support for Total Network BRAC Bank technical team provides supports to the external branches, SMEs and ATM booths.Since there are a swelled number of PCs and other network enabled devices, fuss could occur. 2. 2. 1. 3 LAN / WAN certificate Monitoring LAN and WAN for any earnest breach. As part of the perfunctory operations, this is being monitored by the network personnel. 2. 2. 1. 4 Internet connectivity union to internet is get hold offul for 24&2157. Ensuring the interrupt free internet link and troubleshooting if a ny problem occurs. Maintaining internet access for all approved users. This is full of life role for Web Servers, Internet banking, eldorado Projects, etc. 9 2. 2. 1. western confederacy and Other Remittance Program Support Computer terminals use for horse opera union service face various guinea pig of problem including inter-group communication error, password lock, Hesperian marriage ID lock etc. BRAC Bank has to provide these types of services to users. It also includes support for BRAC BDP Locations. 2. 2. 1. 6 SWIFT server administration Keeping the service up and campaign to provide smooth services. 2. 2. 1. 7 APN connectivity Access Point Network is use to connect out SME Unit offices to our core network. This APN service is provided by Grameen Phone.Day to day basis we require to maintain this network in uncommitted condition and to provide services to our users so that they can continue their operations in a trouble free and smooth. 2. 2. 1. 8 Allocation of IP P rovide IPs to incorporate new computers in the network and maintain the trouble free operations. 2. 2. 1. 9 Network devices health check Closely monitor small network devices which include bandwidth utilization, forge, and reposition usages. 10 2. 2. 2 Weekly Activities 2. 2. 2. 1 Configuration Backup Taking weekly backup of critical hardware applications including hollow out Router, effect Firewall and plaza Switch. 2. 2. Monthly Activities 2. 2. 3. 1 SWIFT archive and backup enrolment SWIFT live messages and monthly backup. CHAPTER deuce-ace NETWORK ARCHITECTURE DESIGN 3. 1 Data Center Architecture Data center is a facility used to house computer systems and associated percentages, such as telecommunications and retention systems. It generally includes redundant or backup power supplies, redundant data communications connectednesss, environmental controls and credentials devices. Fig- 3. 1 BRAC Bank Data Center Architecture 12 This is the Full Network Architecture of B RAC BANK LIMITED. In this Figure, all remote Branches and office are machine-accessible with the Core router.In top of the figure Unilever, Grameen Phone, Banglalink, Aktel and GP APN Sim are connected with Core Router. In unexpendedover side the remote Branches are connected via Radio or Fiber or VSAT link provided by the some ISP shoutd BRACNET, Metronet, Link3, Alap communication, Telnet Communication, ADNSL and X-NET. In the right side all the corporate buildings like Annex 1, 2, 3, 4, and Anik Tower (Head Office) are connected with Core router. In the left side ATMs and Remote Branches are connected with Core router. The ISPs which provide Internet those are also connected with Core Router via Firewall.The connectivity diagram of Metronet-BRAC Bank Data Center as followed. Fig- 3. 2 Data Center Connectivity Architecture 13 3. 2 manager Architecture Omnibus is a exertion Banking Software. BRAC Bank Ltd, the fastest growing bank in Bangladesh, and ITCL (Q-Cash), a private ATM network presently serving 12 outgrowth banks, have launched passenger car, the first deaf(p) inter-bank shift key in Bangladesh. Fig- 3. 3 BRAC Bank Omnibus Architecture OMNIBUS is the separate of the independent association of member banks and institutions that will act upon and manage the central reposition.As a first step, OMNIBUS integrates the ATM &038 POS networks of BRAC Bank and Q-Cash, enabling card holders of BRAC Bank and Q-Cash member banks to access their accounts from any of the 150+ ATMs and 14 1,200+ POS terminals. OMNIBUS is modeled around success of 1-Link in Pakistan and TPS has chat uped an instrumental role in terms of technology transfer and word sense of best practices. The shared ATM/POS chastise offers significant convenience to customers of its member banks through greater transaction touch points, providing anytime, anywhere banking.This instant increase in the number of ATMs &038 POS terminals for the customers to use their cards on, not on ly gives the cost advantage to the bank, it improves operational efficiency and customer services. The Omnibus Server is also connected with BRAC Bank Core Router and all Banking Server is connected via Metronet &038 Link3 with Omnibus and Omnibus server is also connected via Metronet &038 Link3. 15 3. 3 eldorado Architecture Eldorado a web based subsidence and payment edgeing system, which will be a complementary system of BEFTN (Bangladesh Electronic Fund Transfer Network) of Bangladesh Bank.BRAC Bank is one of the key members of Eldorado. Fig- 3. 4 BRAC Bank Eldorado Architecture Eldorado is a commonalty electronic syllabus for delivering inward remittances from the originating institutions to supreme beneficiaries in Bangladesh. Handling inter-bank transactions will be efficient, since electronic reconciliation facility will enhance the power to process and payment of large volume of incoming remittances more accurately. This will help the member banks to serve their rem ittance customers eve weaken and faster. 16To popularize the formal banking channels among the non-resident Bangladeshis for displace their hard-earned foreign currency, Eldorado will play an extensive role. It is a standardized IT platform that will enable all member banks to execute remittances electronically in the more or less expeditious and compliant manner. Reliability and pace of receiving individual remittances matter the most to our customers, especially, when wish arises. Every single effort of Eldorado members will trickle down to one single objective bringing make a face on the faces of their customers. The Eldorado Server is connected with core router of BRAC Bank via Metronet &038 Link3. . 4 Network Architecture of Branches Fig- 3. 5 Network Architecture of Branches The Branch is connected with Cisco 1811 Router. The two Vendors set up the link between the remote Branch and Core Router. The two vendors are configured with Tunnel for security issue. One Native V LAN is configured in Remote Branch and the EIGRP Routing Protocol is configured in Cisco Router for Routing. 17 3. 5 Network Architecture of a sample Branch Fig 3. 6 Network Architecture of Entire Branch In entire Branch the router is connected via two vendors. The router is connected with Cisco 2960 Switch. All scope and Share Printers are connected with Switch. 8 3. 6 ATM Architecture When a user inserts a card on ATM, ATM hit with Phoenix soft switch. Phoenix is directly connected with HSM (Host security module). Using HSM the soft switch conformed is the dip number is correct or not. If HSM ravish green signal for PIN wherefore Phoenix send the CARD number in Finacle. Finacle is core banking database, an account holder all information is saved on Finacle. outlast of all as user interest ATM machine operate operation Fig- 3. 7 ATM Architecture of BRAC Bank CHAPTER FOUR LINK ESTABLISHMENT, CONFIGURATION AND TROUBLESHOOTING 4. 1 naked link deployment The process of new link d eployment is as followed.Fig- 4. 1 Link Deployment Process flowchart 20 4. 2 Link vendor take onion The issue consideration and their descriptions are pointed beneath. dishearten 4. 1 Issues related link vendor adoption Issue Consideration quadruple vendors in aforesaid(prenominal) radius definition Any vendor that already has a link running in near location should not be given priority. Try to provide the link to some other vendor which has no or less links running in that area. Introducing two-fold vendors will ensure maximal uptime for that area. bare backbone for Intercity golf links submit vendors that have different backbone for intercity connectivity.This will increase uptime incase of intercity backbone fails. Shorter Last grayback connectivity Try to train vendors that will be able to provide last mi connectivity with shorter cable distance. As longer cables run from higher down time and require more maintenance. Licensed Radio absolute frequency Tower Heig ht for Radio Links This will ensure better service quality and uptime. Identify vendors that will be able to establish a radio link with shorter tower. One time institution charge increases as tower top increases. Longer tower reads more maintenance cost. Service QualityVendors with poor service quality should not be considered even though they have met all other requirements. Support Personnel mete out vendors that have dedicated support personnel for remote locations. Also count response time for all previous downtime. Balance of dispersion In order to ensure maximum uptime it is important that we balance the distribution among the vendors. This will decrease the overall downtime. Local circle Avoid same type of media for Last mile connectivity. Avoid any Point-To-Point Radio equipments at Lat mile. 21 4. 3 Network maintenance Following process follows for the network maintenance for link troubleshoot.Fig- 4. 2 Network Maintenance flowchart 4. 4 Link monitoring &038 maintena nce Link Monitoring and maintenance works in two different ways. 4. 4. 1 Branch Link monitoring &038 maintenance Fig- 4. 3 Branch Link monitoring &038 maintenance flowchart 4. 4. 2 ATM link monitoring &038 maintenance Fig- 4. 4 ATM Link monitoring &038 maintenance flowchart 22 4. 5 Link troubleshoot checklist 4. 5. 1 Radio Link Fig- 4. 5 Radio Link Troubleshooting Process 4. 5. 2 Fiber Link Fig- 4. 6 Fiber Link Troubleshooting Process 4. 6 Remote access policy Fig- 4. 7 Remote Access Policy Process CHAPTER FIVE Wi-Fi AND profit CONNECTIVITY 5. Wi-Fi activation For security purpose mackintosh get throughing and mackintosh binding is enabled in Wi-Fi exacting system. So to give WLAN immunity to users is a 3 layer process. ? ? ? mack entry to the Wireless LAN comptrollers mack filter table mack Binding to the DHCP server for user based IP allocation Internet activation (optional depends on users requirements) MAC entry to the Wireless LAN controllers MAC filter table For MAC en try unavoidableness to log in to the below link https//10. 100. 83. 250 Fig- 5. 1 Wi-Fi activating Process 24 indeed login with given user give ear and password Fig- 5. 2 Wi-Fi Activation Process (Continuing) past go to Security>MAC Filtering Fig- 5. 3 Wi-Fi Activation Process (Continuing) 25 indeed grant NEW from the top right side Fig- 5. 4 Wi-Fi Activation Process (Continuing) Fig- 5. 5 Wi-Fi Activation Process (Continuing) 26 Put the MAC Address and call for SSID (like BBL) as visibility name, Preferred embrasure as Interface figure and give user details and distinguish IP manner of speaking from the existing Pool Fig- 5. 6 Wi-Fi Activation Process (Continuing) And select hold back after all information given properly. MAC Binding to the DHCP server for user based IP allocation For MAC binding login to https//10. 00. 83. 25110000 27 Fig- 5. 7 Wi-Fi Activation Process (Continuing) Login with the exploiter human body=Console with its password Fig- 5. 8 Wi-Fi Activa tion Process (Continuing) 28 Then select DHCP Server Fig- 5. 9 Wi-Fi Activation Process (Continuing) Then select ADD a new host from the Hosts and Host Groups Fig- 5. 10 Wi-Fi Activation Process (Continuing) 29 In Host Description niche give the user description, in Host name street corner give the LAN ID of the user in Hardware Address case put the MAC call and put the IP in to the Fixed IP Address box and thusly select create to make the user. Fig- 5. 1 Wi-Fi Activation Process (Continuing) Then from the DNS Zones select make sorts Fig- 5. 12 Wi-Fi Activation Process (Continuing) CHAPTER sextette BANDWIDTH MANAGEMENT AND MONITORING 6. 1 Overview of Bandwidth management Bandwidth management is the process of measuring and overbearing the communications (traffic, packets) on a network link, to avoid filling the link to capacity or overfilling the link, which would result in network congestion and poor performance of the network. 6. 2 Bandwidth Management at BRAC Bank BRAC B ank uses some tools for bandwidth management and monitoring.One of them is OpUtils. 6. 3 OpUtils Manage Engine OpUtils is a software to observe the network in a organize way, to visualize the total network and to troubleshoot the user level problems soft. We can find our user bases IP, MAC, OS and connected switch port related information. Form which we can easily sort out day to day operations and support related works like IP allocation for user, for switch port related MAC cathartic where switch port security is deployed, real time bandwidth monitoring, and configuration file management related works. For OpUtils related operations need to login to http//10. 0. 0. 2367080/ 31 Fig- 6. 1 OpUtils Login Page Log in with given username and password. The Home page provides the stocky report of the switch port and IP availability. Fig- 6. 2 OpUtils Home Page (Summary Report) 32 6. 3. 1 Switch Port Mapper It contains switches information and the users connected switch port informatio n tagged with its IP address information. In Switch Port Mapper portion Fig- 6. 3 Switch Port Mapper portion Go to switches to see the list of the switches Fig- 6. 4 List of Switches 33 Go to Routers to see the list of the routers Fig- 6. 5 List of RoutersSummary will show the detail switch information of the network Fig- 6. 6 Switch information summary 34 To find any MAC address we need to select the MAC address options from the search tool box and write the MAC in colon (ffffffffffff) format to get the total IP related information and the connected switch address. Fig- 6. 7 Finding a MAC address 6. 3. 2 IP Address Manager In IP address manager restrain IP related information where we can allocate the IP with ad hoc user information. The IP separate into three different types i. ii. pulmonary tuberculosisd IP Currently using IP addresses.Transient IP was used but is not using for couple of days and the system investment trust the IP in this mode for 30 days and after that syste m will automatically make it as a Available IP iii. Available IP free IPs are known as Available IP Address. 35 In the left side of the window we can see the groups name from where we can select the specific IP subnet. Fig- 6. 8 IP Address Manager Fig- 6. 9 IP Address Manager (Continuous) 36 Fig- 6. 10 IP Address Manager (Continuous) In the same way as shown in the Switch Port Mapper naval division we can search a user based on the IP address or MAC address. Fig- 6. 1 IP Address Manager (Continuous) CHAPTER SEVEN MAINTENANCE OF GP APN 7. 1 Maintenance of GP Access point Network 7. 1. 1 GP Huawei Modem deftness Fig- 7. 1 Modem foundation suction stop the next > simplyton for commencement creation Fig- 7. 2 Modem founding (Continuous) 38 domestic dog I Agree for bordering Step. Fig- 7. 3 Modem inductance (Continuous) Click near > for side by side(p) Step Fig- 7. 4 Modem innovation (Continuous) 39 Click Install For starting line the Installation Fig- 7. 5 Modem Insta llation (Continuous) look for Installation Fig- 7. 6 Modem Installation (Continuous) Click intermit to Complete the Installation. 0 Fig- 7. 7 Profile Creation Click Profile Management. Then Click fresh for creating New Profile import BRACBANK in Profile opportunity upon. Click Static and write BRACBANK in APN and write *99 in access number. Fig- 7. 8 Profile Creation (Continuous) 41 Click OK to Complete.. Then summarise your System. Fig- 7. 9 Profile Creation (Continuous) Select BRACBANK from Profile Name. Fig- 7. 10 Profile Creation (Continuous) Click Connect to connect the Network. 42 7. 1. 2 ZTE Modem Installation All Installation Processes are same as Huawei Modem. But In case of Profile swop Fig- 7. 11 Profile ChangeClick on Tools and Options for creating New Profile. Fig- 7. 12 Profile Change (Continuous) 43 Click Profile Management. Click Add to Create new profile Fig- 7. 13 Profile Change (Continuous) Write BRACBANK in Configure agitatename and *99 in Dial Number th en(prenominal) move OK Fig- 7. 14 Profile Change (Continuous) 44 Click on BRACBANK then Click narrow down default then OK. Then summarize the PC. Fig- 7. 15 Profile Change (Continuous) Click Connect to connect the network.. 7. 1. 3 ADN Modem Installation APN settings AT+CGDCONT=1,IP,BRACBANK Phone number *99***1 or *99 Need to write ewusbmdm file from d drive IT Use to Windows system32CHAPTER EIGHT CONNECTIVITY AND ADMINISTRATION OF ALL PAYMENT NETWORK SOFTWARE 8. 1 western pith To install the western union Translink and activate a client last-place these steps are followed 8. 1. 1 Installation process 1. Download file from transfer//10. 20. 0. 94 ftp server File name is Translink5. 437. zip Fig-8. 1 occidental spouseship Installation 46 2. unzip that Translink5. 437. zip Fig-8. 2 westerly confederation Installation (Continuing) 3. tend WUCD. exe from the unzipped folder Fig-8. 3 Western trade union Installation (Continuing) 47 4. Select Install Application Fig-8. 4 Western join Installation (Continuing) . Select Install Translink and follow the bellow steps Fig-8. 5 Western married couple Installation (Continuing) 48 Fig-8. 6 Western man and wife Installation (Continuing) Fig-8. 7 Western brotherhood Installation (Continuing) 49 Fig-8. 8 Western Union Installation (Continuing) Fig-8. 9 Western Union Installation (Continuing) 50 Fig-8. 10 Western Union Installation (Continuing) Fig-8. 11 Western Union Installation (Continuing) 51 Fig-8. 12 Western Union Installation (Continuing) Fig-8. 13 Western Union Installation (Continuing) 52 6. Install the software like other conventional software. Fig-8. 4 Western Union Installation (Continuing) 7. Install ESD service which is recommender after the Western Union installation Fig-8. 15 Western Union Installation (Continuing) 53 Fig-8. 16 Western Union Installation (Continuing) 8. Restart the PC Fig-8. 17 Western Union Installation (Continuing) 54 9. Add internet explorer and translink. exe at My com puters> properties>Advanced>Performance>Settings>Turn on DEP>Add Fig-8. 18 Western Union Installation (Continuing) 10. Set security consent to everyone at C>program files>Western Union Fig-8. 19 Western Union Installation (Continuing) 5 11. Then go to Start>all programs>Western Union>Agent config And need to select executive and write the password ******* den select ok Fig-8. 20 Western Union Installation (Continuing) Fig-8. 21 Western Union Installation (Continuing) 56 12. Go to Agent(ctrl-G) Set terminal ID Fig-8. 22 Western Union Installation (Continuing) 13. Go to Tools (Ctrl-L) And select sign on screen password deviate Fig-8. 23 Western Union Installation (Continuing) 57 14. Go to Printers (Ctrl-P) Then select Printer Model LaserJet Printer Name/Port Canon LBP3460 PCL6 Paper fly the coop Front SingleFig-8. 24 Western Union Installation (Continuing) Then select sacrifice and OK to finish the work. 15. Then need to create a VPN Dialer For this purpose G o to Start>Control empanel> Network Connections>Network Tasks>Create a new Connections 58 Fig-8. 25 Western Union Installation (Continuing) Fig-8. 26 Western Union Installation (Continuing) 59 16. Then select> conterminous Select Connect to the Network at my Workplace Fig-8. 27 Western Union Installation (Continuing) Select Next 17. Then Select Virtual underground Network Connection Fig-8. 28 Western Union Installation (Continuing) 60 Fig-8. 9 Western Union Installation (Continuing) Select Next 18. Then select > Write company Name Company Name Link1 Fig-8. 30 Western Union Installation (Continuing) Select Next 61 19. If exoteric network page initiated Select Do not dial the initial connection Otherwise Skip this step and go to step 21 Fig-8. 31 Western Union Installation (Continuing) Select> Next 20. Set IP- 10. 20. 0. 251 Fig-8. 32 Western Union Installation (Continuing) 62 Fig-8. 33 Western Union Installation (Continuing) Select Next 21. Then Select Anyones Use F ig-8. 34 Western Union Installation (Continuing) Select Next 63 22.Then Select> Add a Shortcut to this Connection to my Desktop Then Select> Finish Fig-8. 35 Western Union Installation (Continuing) 23. Then Need to Set user Name and Password Select> economize this user name and password for the following users Select > Connect Fig-8. 36 Western Union Installation (Continuing) 64 24. Then add route from the postulate proceed GW= Gateway Route add 10. 20. 0. 0 mask 255. 255. 248. 0 GW p Route add 10. 20. 1. 0 mask 255. 255. 255. 0 GW p Route add 10. 20. 2. 0 mask 255. 255. 255. 0 GW p 25. Then go to agent config> Communication And ping the connection points IP From Start>Run 26.Telnet through those connection points IP with that specific port if there is any problem in western union login. Table 8. 1 Support Level wrongful conduct attribute Mom. config Invalid Request Type Out of Memory Error 800 Object error Log Sheet concord To Do instal the software out front t o Trade and Remittance Team Installation error at data performance prevention Restart PPTPD service Reinstall the software Printing CWINDOWSsystem32drivers selection the attached file (if it is not present) in CWINDOWSsystem32 attachment MSHFLXGD. OCX go on come out -> RUN, Type in regsvr32 MSHFLXGD. OCX then press ok. problem 65 Table 8. User format for Western union dissemination Type Branch Channel User ID Format Password br+colloidal suspension ID+wu1 Skb+SOL ID+wu1 sssc+SOL ID+wu1 ho +LAN ID + wu1 ********* ********* ********* ********* SME Krishi Branch SMESC Head Office 8. 2 SWIFT The Society for Worldwide Interbank monetary Telecommunication (SWIFT) operates a worldwide financial messaging network which exchanges messages between banks and other financial institutions. SWIFT also markets software and services to financial institutions, much(prenominal) of it for use on the SWIFTNet Network, and ISO 9362 bank identifier codes (BICs) are popularly known as SWIFT codes. The majority of international interbank messages use the SWIFT network. As of September 2010, SWIFT think more than 9,000 financial institutions in 209 countries and territories, who were exchanging an mean(a) of over 15 million messages per day. SWIFT transports financial messages in a highly secure way, but does not hold accounts for its members and does not perform any form of clearing or settlement. SWIFT does not facilitate funds transfer, rather, it sends payment orders, which mustiness be settled via correspondent accounts that the institutions have with each other.Each financial institution, to exchange banking transactions, must have a banking relationship by either being a bank or affiliating itself with one (or more) so as to enjoy those particular business features. 66 8. 2. 1 BRAC Bank Swift Network Diagram Fig-8. 37 Swift Network Diagram 8. 2. 2 SWIFT Infrastructure Overview A typical SWIFT customer environment consists of a combination of individual components tha t interact with each other to provide messaging services. Fig-8. 38 Swift Infrastructure 67 Table 8. 3 equipment casualty and description of SWIFT Terms fit out CBT SNL RA MQ HSM HTTPS Vendor product VPN box PKIDescription Software product that processes and that exchanges quin messages, by using the FIN application through the SWIFT network. compact Access and coalition Entry are FIN CBT products that are provided by SWIFT. As of now, these CBT products also offer the functionality to send messages for your Solutions through the conglutination messenger interface. SWIFTNet Link. Mandatory SWIFT software component that is required in order to connect to SWIFTNet. Remote API. SWIFT middleware component that is used in order to link back-end applications and workstations to alignment Gateway, which acts as the messaging concentrator.Message Queue. IBM middleware component that is used in order to link back-end applications through the Alliance Gateway. Hardware Security Module . A hardware device that is tamper-resistant and that ensures the secure storage and the processing of PKI secrets. HSMs replace the current take prisoner Card Rearders and the ICCs. There are three types of HSM devices HSM boxes, HSM tokens, and HSM cards and card readers. Only one type of HSM is supported on the same SWIFTNet Link. Secure Hypertext Transport Protocol. A protocol that is used in order to access web servers that are hosted on SWIFTNet.The HTTPS proxy, which is a part of Alliance Gateway, is used for routing purposes. output that is offered by a SWIFT partner and that allows to connect to additional services hosted on SWIFTNet. These products have an embedded SWIFTNet Link, or they connect to Alliance Gateway. Virtual Private Network hardware device. Mandatory SWIFT network component for the connectivity to the multi-vendor secure IP network. A VPN box implements network security that is based on IPsec. Public Key Infrastructure certificate. SWIFT acts as the cert ification ascendancy on SWIFTNet. 68 8. 2. 3 Maintaining the SWIFT environment 8. 2. 3. 1 Daily activities ? ? ? ? ? Back up the system and the application data Monitor the systems and review the error logs Login to FIN to process messages that have been received Restart Alliance Access for database maintenance purposes, notwithstanding if specific Arrangements have been made for continuous operation Export the RMA authorizations and distribute them to your other applications, if required 8. 2. 3. 2 Weekly activities ? check over the SWIFTNet Link connectivity after a weekend when maintenance activities are performed Check the connection to the HSM box by performing the SwHSMSelfTest command (This is applicable for HSM box configurations only) ? Archive the Alliance Gateway logs and journals Archive the messages and events of Alliance Access or Alliance Entry 8. 2. 3. 3 Monthly activities ? Restart SWIFTNet Link and Alliance Gateway, in order to ensure that the processes that use certificates are stopped. By performing this restart, the certificates can be renewed the next time that they are used to log on. 69 ? Open all the PKI certificates at least once. Use the CertInfo command or sign on the Web station or Web platform using these certificates, facilitating replacing and change of passwords. ? Back up all the PKI certificates after you have opened them. Use the SNL_BackUp. l command. (Note This will back up all the certificates that are stored on disk. It will not back up the certificates that are stored in the HSM) Half 8. 2. 3. 4 per year activities ? Reboot all your HSM boxes but not together. (Applicable in HSM box scenarios only) CHAPTER NINE MAINTENANCE, MONITORING &038 SUPPORT 9. 1 Overview BRAC Bank uses some software to monitoring, support and troubleshooting purpose. One of the software is Whats Up Gold. 9. 2 Whats Up Gold 9. 2. 1 Create a New Map To create a new occasion, from the File menu, you choose New Map Wizard to view the New Map di alog box. You can select one of the following optionsDiscover and Map network devices creates a map using the information sources that you select, such as SNMP information on your network, information you enter about IP addresses information in a local hosts file, the Windows registry, Internet Explorer entries in the registry, and Windows Network information. You can specify which of these sources you motive to use. Select this option and then flicker Next. The Discover Devices screen appears. Create a blank map creates an empty map to which you add device icons using any of the create map functions or by cutting and pasting device icons from an existing map. 1 Fig-9. 1 Creat New Map in Whats Up Gold Fig-9. 2 Creat New Map in Whats Up Gold (Continuing) 72 now as your Map is created you can start adding new devices for polling and monitoring. gratify follow the following steps to add a new device in the map and start monitoring the MAP. Step-1 later on creating a Blank Map, dra g your desired device from Device Type Panel as directed in the picture show below. Fig-9. 3 Select device for subroutine Now double click on the device you just added from the right panel. And configure the item properties fields as per your requirements.You have to put a valid IP address in order to start monitoring the device using ICMP. rack OK after entering the details. 73 Fig-9. 4 Configure device properties Now click on the Map as directed in the image below to start polling the devices in the network. Fig-9. 5 Polling device You have to set the poll frequency and default timeout as per your need. These can be done from the device properties. 74 9. 2. 2 WhatsUpGold Web Server WhatsUpGold provides a web server that lets you view the status of your network from any web browser. You can enable/disable the web server and set access to this server through the web properties.Set up the web server Click on the links below Configure > Web Server > General > enable Web Serve r > Enable Web Configuration. In addition to this setting, you can set access for each web user account. If Enable Web Configuration is not selected, web users will not be able to change any WhatsUpGold settings they will have only the view capabilities. Fig-9. 6 WhatsUpGold Web Server Overview CHAPTER TEN cobblers last The internship program gave me a portion not only to work with BRAC Bank Limited but also a chance to learn from the good experts.This would reflect much onto my experience. Working with a leading business organization was a rarefied chance for me. I really appreciate the way I have been guided through this internship program with BRAC BANK LIMITED. Beginning from the opportunity to take the time I compulsory to refresh and expand my knowledge in several issues concerning System Administration. Over a somehow protected period where I could discover and learn to value my new working environment, and finally earned the confidence to deal with assignments myself. I t is through them that I did enjoy my work every day.Having a rare opportunity to use the knowledge and skills that I had acquired, I learned how to handle critical network problems and got the new ideas. It was a great experience to work with networking devices practically and to troubleshoot different problems. REFERENCES 1 http// www. bracbank. com 2 http// www. eldorado-bd. com/MDMessage3. aspx 3 http// www. bankinfobd. com/banks/3/BRAC_Bank 4 http// www. bobsguide. com/guide/news/2008/Jan/15/OMNIBUS_InterBank_Switch_goes_live_in_Bangladesh_with_Phoenix. html 5 http// www. bdresearchpublications. com/admin/journal/upload/09164/09164. pdf