492 Network Engineer courses delivered Online

MRTG training course description A hands on course focusing on the installation, configuration and use of the MRTG network monitoring and graphing tools. What will you learn Install MRTG. Configure MRTG. Use MRTG to monitor networks. MRTG training course details Who will benefit: Anyone working with MRTG. Prerequisites: Total SNMP for engineers Duration 2 days MRTG training course contents What is MRTG? Network monitoring, review of SNMP. What MRTG does do, what MRTG doesn't do, MRTG architecture, MRTG components. Hands on configuring SNMP support on network devices, configuring extended SNMP support on Windows. Installing MRTG Configuring MRTG tasks, .cfg files, index.html files, running MRTG tasks, instances. Hands on Configuring and running MRTG tasks. MRTG tasks Configuring MRTG tasks, .cfg files, index.html files, running MRTG tasks, instances. Hands on Configuring and running MRTG tasks. MRTG graphs Daily, weekly, monthly, yearly, MRTG database support, RRDTOOL. Hands on MRTG graphs. Using MRTG MRTG examples, custom SNMP OIDs, using the MRTG configuration reference. Hands on MRTG examples. RRDTOOL Installing RRD database support, MRTG instances with the RRD database, RRD database structure, resizing and extending the database. Exporting database records into plain text and XML formats, on demand MRTG graphs using the database. Hands on Using MRTG with RRD database support. Alternatives to MRTG MRTG strengths and weaknesses, scalability, cricket, cacti, other SNMP tools.

Advanced Asterisk training course description This 2 day hands-on Asterisk training course covers advanced Asterisk configuration including fault tolerant clusters, upgrading and patching Asterisk servers, firewall and NAT transversal, using databases to store Asterisk data. Practical sessions follow each major section to reinforce the theory. What will you learn Configure advanced Asterisk features. Utilise databases from Asterisk Integrate Asterisk with SIP servers. Build High Availability Asterisk clusters. Maintain and secure Asterisk servers. Advanced Asterisk training course details Who will benefit: Technical staff working with or evaluating Asterisk. Prerequisites: Definitive Asterisk for engineers Duration 2 days Advanced Asterisk training course contents Best Practice Review of basics, Channel best practice, dial plan best practise. Call Centre Features GUI, Asterisk Manager Interface, billing, CDR, advanced IVR, ACD, Vici Dial. Hands on Install Vici-Dial Asterisk and Databases MySQL, LDAP, ODBC, dial plan from a Database, storing CDR in a Database, Hands on Dial plan in MySQL, CDR in MySQL. TDM over Ethernet What is TDMoE, Asterisk to Asterisk TDMoE, Phone Bridge. Hands on * 2 * via TDMoE. High Availability Asterisk HA Linux - Virtual Servers, Fail-over steps, setting up HA Linux, configuring Asterisk for fail-over on HA Linux, Hands on Configure Asterisk HA. Advanced Dial plans Asterisk Gateway Interface, AGI IVR applications, Multiple switches sharing Dial plans, ENUM, DUNDI. Hands on Configure DUNDI. Integration Legacy PBX, SIP Proxys, OpenSER. Hands on Configure SER to work with Asterisk. Asterisk Maintenance Asterisk upgrades, implementing patches, advanced debugging, Security Firewalls, NAT, Asterisk security issues. Hands on Configure Asterisk to work through a Firewall and NAT.

Mobile IP training course description A detailed examination of the protocols and architecture of Mobile IP. What will you learn Recognise the benefits of ADSL. Configure and troubleshoot IS-IS. Explain how IS-IS works. Describe the use of Level 1 and Level 2. Design IS-IS networks. Mobile IP course details Who will benefit: Technical staff wanting to learn DNS.Network Administrators. Support personnel. Prerequisites: TCP/IP Foundation Duration 2 days Mobile IP course contents Introduction Quick review of IP, What is Mobile IP? What Mobile IP provides, Mobility requirements, Where Mobile IP is required, where mobile IP is not required, DHCP as an alternative, Proxy ARP as an alternative. Architecture Mobile node, home network, home agent, Foreign agent, Fixed home address, Care of address, Correspondent node, Tunnelling. How Mobile IP works Using two addresses, issues with TCP, discovering the care of address, registering care of address, tunnelling the care of address. The protocols involved. Issues with Mobile IP Routing inefficiencies, Security and firewalls, ingress filtering, QoS. MIP and IPv6 Stateless address configuration, Neighbour discovery, miscellaneous.

XSLT training course description This course has been designed as a follow on course for the XML primer course. The course looks at the use of XSLT in the transforming and styling XML documents. What will you learn Transform and style XML documents using XSLT. XSLT training course details Who will benefit: Anyone working with XSLT. Prerequisites: XML primer Duration 2 days XSLT training course contents Introduction Extensible Stylesheet Language (XSL), transforming and formatting XML. XML refresher The basic rules for building an XML document. An introduction to XSLT The basic concepts of XSLT, xsl:output, xsl:template, xsl:value-of. XML documents as trees How the original XML is transformed into a set of nodes, the general terms for manipulating node trees. Paths (XPath) Use of path matching to select required nodes for transformation. Using templates xsl:apply-templates, xsl:template match, nested templates, xsl:copy , <comment> and <element> , default templates, parameters. Control xsl:if, xsl:choose, xsl:for-each, xsl:sort. Constructing the result tree xsl:output, xsl:attribute, xsl:attribute-set, xsl:comment, xsl:processing-instruction, xsl:text, xsl:value-of, xsl:variable. Combining templates xsl:include, xsl:import, xsl:apply-imports. Transforming to text

ADO.NET training course description This ADO.net training course is designed to enable developers to use the toolset provided with.NET for data access including ADO.net objects, data controls, designers and interoperability with earlier ADO objects. The course is applicable for those using C# or VB.NET with ADO.NET What will you learn Retrieve and manipulate data using Microsoft's ADO.NET library. Work with the ADO.NET object model. Update data, including handling stored procedures, parameters, and return value. Search, sort and filter data. Leverage the power of XML. ADO.NET training course details Who will benefit: Programmers working with ADO.Net. Prerequisites: Effective programming with VB.NET or Concise introduction to C# Duration 2 days ADO.NET training course contents Introducing ADO.Net Traditional Data Access Architecture. ADO.Net Disconnected Data Access Architecture. Different components of ADO.Net. A review of basic SQL queries SQL SELECT Statement. SQL INSERT Statement. SQL UPDATE Statement. SQL DELETE Statement. Common data access tasks with ADO.Net Accessing Data using ADO.Net. Defining the connection string. Defining a Connection. Defining the command or command string. Defining the Data Adapter. Creating and filling the DataSet. A Demonstration Application The Interface. Loading the table. Filling the controls on the Form. Navigating through the records. Updating Data Steps for updating the table. Building the Application. Loading the table and displaying data in the form's controls. Initialising Commands. Adding Parameters to the commands. The ToggleControls() method of our application. Editing (or Updating) Records. Event Handler for the Save Button. Event Handler for the Cancel Button. Inserting Records. Deleting a Record. Using Stored Procedures Sample Stored Procedures. UPDATE Stored Procedure. INSERT Stored Procedure. DELETE Stored Procedure. SELECT Stored Procedure. Using Stored Procedures with ADO.Net.

OpenSSL for engineers training course description A hands on course covering OpenSSL. The course focusses on the use of OpenSSL from the command line as opposed to using its extensive libraries. Certificate authorities are configured along with key generation, HTTPS and a SSL VPN. What will you learn Describe OpenSSL. Use OpenSSL. Describe and implement: Explain how the various technologies involved in an OpenSSL work. OpenSSL for engineers training course details Who will benefit: Network personnel. Prerequisites: IP security foundation for engineers Duration 2 days OpenSSL for engineers training course contents What is OpenSSL? What is SSL? SSL versions, TLS, TLS negotiation, TLS authentication, What is OpenSSL, Command line tool, SSL library. OpenSSH, OpenVPN. Hands on TLS packet analysis. Getting started with OpenSSL Downloading, source code, packages, installing, versions, configuration, openssl command. Cipher suite selection. Hands on Encrypting a file with openssl. Public and private keys Algorithms, creating keys, public keys, private keys, encrypting the private key. Hands on Encrypting a file with keys. Digital signatures Creating signatures, checking validity of signatures, Self signing SSL certificates. Viewing certificates. Certificate files. Converting between formats. Hands on Securing a web server with HTTPS. Simple PKI with OpenSSL Root CA, signing CA, configuration files, Certificate signing requests. Email certificates, TLS server certificates. Hands on Implementing a simple PKI with OpenSSL.

Kerberos for engineers training course description This hands on course covers the details of Kerberos, from installation and administration through to how it all works including the protocols. What will you learn Describe what Kerberos is. Explain how Kerberos works. Install Kerberos. Configure Kerberos. Troubleshoot Kerberos. Kerberos for engineers training course details Who will benefit: Engineers interested in security. Prerequisites: TCP/IP foundation for engineers Duration 2 days Kerberos for engineers training course contents What is Kerberos? Single Sign On, The protocol, the standard, history, v4, v5, RFCs, Linux, Windows. Kerberos concepts and technology AAA, Authentication, Authorization, Accounting. Kerberos vs LDAP and directories. Privacy, integrity. Kerberos realms, principles, instances. Keys, salts, passwords. Key Distribution Centre, Authentication server, ticket granting server. Tickets. Installation and administration of Kerberos Installing Kerberos, creating realms, testing. DNS and Kerberos, Kerberos clients. Hands on Windows and Linux Kerberos. Kerberos protocols The Needham-Schroeder protocol, Kerberos v4. Authentication server, ticket granting server, Kerberos v5, encryption options, ticket options, other protocol features and extensions. Related protocols: GSSAPI, SPNEGO. Hands on Using Wireshark to 'see' Kerberos. Troubleshooting Kerberos Approach, debugging tools, errors and solutions. Hands on Kerberos troubleshooting. Kerberos security concerns Kerberos attacks, protocol security issues. Dictionary attacks, brute force attacks, replay attacks, MITM attacks, security solutions, protecting the KDC, firewalls, NAT and Kerberos. Hands on Kerberos logging. Software which uses Kerberos Kerberos logins, Kerberos and web based applications, Directory services. Advanced Kerberos issues Cross realm authentication, Windows issues, Windows and UNIX interoperability, Hands on Using a Windows DC for UNIX clients.

Total QoS training course description An advanced technical hands on course focusing on Quality of Service issues in IP networks. What will you learn Explain the difference between Integrated services and differentiated services. Explain how DiffServ works. Explain how RSVP works. Design networks supporting QoS. Total QoS training course details Who will benefit: Network administrators. Network operators. Prerequisites: TCP/IP Foundation for engineers Duration 3 days Total QoS training course contents What is QoS QoS and CoS, throwing bandwidth at the problem, Best effort services, Differentiated services, Integrated services, guarantees, the need for QoS, IETF working groups. Application issues Video, Voice, other applications, Jitter, delay, packet loss. Flows, per flow and per aggregate QoS, Stateful vs. stateless QoS, applications vs. network QoS. 'Traditional' IP QoS The TOS field and precedence, the obsolete OSPF use of the TOS field, TCP congestion avoidance. Queuing Where to use queuing, FIFO, Priority queuing, Custom queuing, Weighted Fair Queuing, CBWFQ, PQWFQ, LLQ, RED and WRED. DiffServ Architecture, DSCP, CU, packet classification and marking, meters and conditioners, Bandwidth brokers and COPS, Per Hop Behaviours, best effort PHB, Assured Forwarding PHB, Expedited forwarding PHB, Network Based Application Recognition (NBAR). Layer 2 issues Fragmentation and interleaving, compression (codecs, MPEG formats, header compression…), 802.1p, Subnet bandwidth management, Bandwidth allocators and requestor modules, the use of MPLS, traffic engineering, traffic shaping. RSVP What is RSVP? architectures, paths, path messages, reservations, traffic specifications, tear downs, guaranteed and controlled load, token buckets, Call Admission Control in voice networks, gatekeepers. Other issues Policy based routing, the Resource Allocation Protocol, QoS management tools, baselining networks, design issues, QoS in IPv6, QoS and multicasts.

LTE Architecture and Protocols course description This course provides a comprehensive tour of the LTE architecture along with services provided and the protocols used. What will you learn Describe the overall architecture of LTE. Explain the information flows through LTE. Describe the LTE security. Describe LTE mobility management. Recognise the next steps for LTE. LTE Architecture and Protocols course details Who will benefit: Anyone working with LTE. Prerequisites: Mobile communications demystified Duration 3 days LTE Architecture and Protocols course contents Introduction History, LTE key features. The 4G ITU process. The LTE 3GPP specifications. Specifications. System Architecture LTE hardware architecture. UE architecture and capabilities. E-UTRAN and eNB. EPC, MME functions, SGW, PGW and PCRF. System interfaces and protocol stacks. Example information flows. Dedicated and default bearers. EMM, ECM, RRC state diagrams. Radio transmission and reception OFDMA, SC-FDMA, MIMO antennas. Air interface protocol stack. Logical, transport and physical channels. Frame and slot structure, the resource grid. Resource element mapping of the physical channels and signals. Cell acquisition, data transmission and random access. MAC, RLC, PDCP protocols. LTE spectrum allocation. Power-on procedures Network and cell selection. RRC connection establishment. Attach procedure, including IP address allocation and default bearer activation. LTE detach procedure. Security in LTE networks LTE security features, identity confidentiality, ciphering and integrity protection. Architecture of network access security in LTE. Secure key hierarchy. Authentication and key agreement procedure. Security mode command procedure. Network domain security architecture. Security associations using IKE and IPSec. Mobility management RRC_IDLE, RRC_CONNECTED. Cell reselection, tracking area updates. Measurement reporting. X2 and S1 based handovers. Interoperation with UMTS, GSM and non-3GPP technologies such as cdma2000. QoS, policy control and charging QoS in LTE, EPS bearers, service data flows and packet flows. The architecture and signalling procedures for policy and charging control. Data transport using GPRS, differentiated services and MPLS. Offline and online charging in LTE. Delivery of voice and text messages over LTE Difficulties and solutions for Voice over LTE. Architecture and call setup procedures for circuit switched fallback. Architecture, protocols and call setup procedures in IP multimedia subsystem. Enhancements in release 9 LTE location services. Multimedia broadcast / multicast service and MBSFN. Cell selection, commercial mobile alert service. LTE Advanced and release 10 Impact of carrier aggregation on LTE air interface. Enhanced MIMO processing on uplink and downlink. Relaying. Release 11 and beyond. OAM and self organising networks Operation, administration, maintenance and provisioning for LTE. Self-configuration of base station parameters. Fractional frequency re-use, inter-cell interference co-ordination. Self-optimisation of base station procedures. Self-healing to detect and recover from faults.

SIP training course description A hands on course covering IP telephony with SIP. The course starts with a brief review of knowledge students should already possess including RTP and RTCP. The main focus is on SIP though, progressing from what SIP is through SIP signalling, call processing and architectures, moving onto more advanced issues including security, multimedia, and interoperability. Hands-on practicals follow each major theory session. What will you learn Explain how SIP works. Analyse SIP packets. Deploy SIP IP telephony solutions. Integrate SIP with other telephony solutions. SIP training course details Who will benefit: Technical staff working with SIP. Prerequisites: Definitive VoIP for engineers Duration 3 days SIP training course contents VoIP review What is VoIP? Brief review of IP, Brief review of telephones and voice. RTP, RTCP, mixers and translators. Hands on Analysing RTP packets. What is SIP? Why SIP? SIP history, SIP standards, SIP capabilities, key services, how SIP works, and a basic SIP call. Hands on Peer to peer SIP. SIP messages SIP sessions, SIP flows, Message structure, INVITE, ACK, BYE, CANCEL, OPTIONS, REGISTER. Extension methods. Response codes. SIP call flows. Hands on Analysing SIP packets. SIP architectures UA client, UA server, Proxy servers, Redirect servers, registrars. SIP phones, gateways, application servers, and other products. Stateful and stateless servers. Various call scenarios. Hands on SIP proxies. SIP addressing URLs, SIP addresses, registration, Location and Directory servers. Address tracking. Hands on SIP and DNS. Supplementary services SIP signalling, signalling compression, Call hold, Call forwarding, Home and away scenarios, transfers, conferences, call control. Hands on Analysing SIP supplementary services. SDP What is SDP? Multimedia, multimedia session announcement, invitation and others. Relationship with SIP. Hands on Video conferencing with SIP. SIP security Access control, Authentication, encryption, firewalls. Hands on SIP authentication. Interoperability Inter working with PSTN, ISUP to SIP mapping, SIP and 3G, SIP-T, SIP and SIGTRAN. SIP and H323. Hands on SIP and gateways. SIP mobility Terminal mobility, service mobility, personal mobility, Mobile IP, SIP signalling flows in 3G.