339 Computing & IT courses in Elgin

Essential EVPN training course description Ethernet VPN (E-VPN) and Provider Backbone Bridging E-VPN (PBB-EVPN) are emerging technologies providing Ethernet services over MPLS. This course studies the technologies in E-VPN/PBB-EVPN providing multi-homing, multi pathing, auto discovery, multicast, forwarding and fast convergence. What will you learn Differentiate between E-VPN and PBB-EVPN. Explain how E-VPN operates. Explain how PBB-EVPN operates. Explain how E-VPN provides: Multi homing Multi pathing Auto discovery. Essential EVPN training course details Who will benefit: Network engineers. Staff working for carriers. Prerequisites: Definitive Ethernet switching for engineers Concise MPLS for engineers Duration 2 days Essential EVPN training course contents Introduction to EVPN Network virtualization What Is network virtualization? types of virtual networks, network tunnelling, the consequences of tunnelling, packet load balancing, network interface card behaviour. maximum transmission unit, lack of visibility, VXLAN, protocols to implement the control plane, support for network virtualization technologies, merchant silicon Software, standards. The building blocks of Ethernet VPN A brief history of EVPN, architecture and protocols for traditional EVPN deployment, EVPN in the data center BGP constructs for Virtual networks, address family indicator/subsequent address family indicator, route distinguisher, route target, RD, RT, and BGP processing, route types, modifications to support EVPN over eBGP, keeping the NEXT HOP unmodified, retaining route targets, FRR support for EVPN, automatic propagation of NEXT HOP, RT/RD derivation, what Is not supported in FRR. Bridging with Ethernet VPN An overview of traditional bridging, overview of bridging with EVPN, what Ifs, why does NVE L3 get an advertisement for MACA? handling BUM packets, handling MAC moves, support for dual-attached hosts, the host-switch Interconnect, VXLAN model for dual-attached hosts, switch peering solutions, handling Link failures, duplicate multi-destination frames, ARP/ND suppression. Routing with Ethernet VPN The case for routing in EVPN, routing use cases in the data center, routing models, where is the routing performed? centralized routing, distributed routing, how routing works in EVPN, asymmetric routing, symmetric routing, VRFs in EVPN routing, summarized route announcements, BGP support for EVPN routing, comparing asymmetric and symmetric models, vendor support for EVPN routing. Configuring and administering Ethernet VPN The sample topology, configuration cases, configuring the MTU, the end first: complete FRR configurations, the Invariants: configuration for the spines, firewall, and servers, centralized routing, asymmetric distributed routing, symmetric routing, dissecting the configuration, configuring the underlay, configuring the overlay: FRR configuring the overlay: interfaces, examining an EVPN network, show running configuration, show BGP summary, show EVPN VNIs and VTEPs, identify which VTEP advertised a MAC address, comparing FRR and Cisco EVPN configurations, considerations for deploying EVPN in large networks.

LTE Airside training course description This course provides a concise insight into the LTE airside. Key parts of the course are detailed looks at the air interface protocol stack, cell acquisition, transmission and reception of data and of he layer 1 procedures along with layer 2 procedures. What will you learn Explain the RF optimisation flowchart. Describe the importance of Reference Signal Received Power (RSRP). List many of the 3GPP recommended KPIs. Describe the concept of APN AMBR and UE AMBR within LTE. Describe the use of planning and optimisation computer tools. LTE Airside training course details Who will benefit: Anyone working with LTE. Prerequisites: Essential LTE Duration 2 days LTE Airside training course contents Introduction and review of LTE This section describes the requirements of LTE and key technical features, and reviews the system architecture. LTE Architecture, UE, E-UTRAN and EPC. Specifications. OFDMA, SC-FDMA and MIMO antennas This section describes the techniques used in the LTE air interface, notably orthogonal frequency division multiple access (OFDMA) and multiple input multiple output (MIMO) antennas. Communication techniques for fading multipath channels. OFDMA, FFT processing and cyclic prefix insertion. SC-FDMA in the LTE uplink. Multiple antenna techniques including transmit & receive diversity and spatial multiplexing. Introduction to the air interface This section covers the operation of the air interface, the channels that it uses, and the mapping to the time and frequency domains of OFDMA and SC-FDMA. Air interface protocol stack. Logical, transport and physical channels. Frame and slot structure, the resource grid. Resource element mapping of the physical channels and physical signals. LTE spectrum allocation. Cell acquisition This is the first of three sections covering the air interface physical layer. Here, we cover mobile procedures to start low-level communications with the cell, and base station transmission of the corresponding information. Primary/secondary synchronisation signals. Downlink reference signals. The master information block. Physical control format indicator channel. Organisation and transmission of the system information. Data transmission and reception In this section, we cover procedures used for data transmission and reception on the shared channels, and describe in detail the individual steps. Data transmission and reception on the uplink and downlink. Scheduling commands and grants on the PDCCH. DL-SCH and UL-SCH. Physical channel processing of the PDSCH and PUSCH. Hybrid ARQ indicators on the PHICH. Uplink control information on the PUCCH. Uplink demodulation and sounding reference signals. Additional physical layer procedure This section concludes our discussion of the air interface physical layer, by discussing a number of procedures that support its operation. Transmission of the physical random access channel. Contention and non-contention based random access procedures. Discontinuous transmission in idle and connected modes. Uplink power control and timing advance. Air interface layer 2 This section describes the architecture and operation of layer 2 of the air interface protocol stack. MAC protocol, interactions with the physical layer, use for scheduling. RLC protocol, transparent, unacknowledged and acknowledged modes. PDCP, including header compression, security functions and recovery from handover.

Total H.248 training course description A course focusing purely on the H.248 protocol. Anyone working through the ITU standards documents can testify to the need of a training course to explain how H.248 really works. This course already assumes knowledge of other VoIP protocols and starts by positioning H.248 in relation to the other protocols. The course then looks at H.248 architectures and concepts before analysing H.248 messages and call flows. What will you learn Describe what H.248 is Recognise where H.248 fits in relation to other VoIP protocols. Explain how H.248 works. Analyse H.248 packets Total H.248 training course details Who will benefit: Technical staff working with H.248 Prerequisites: Voice Over IP. Duration 2 days Total H.248 training course contents What is H.248? Review of VoIP protocols: RTP, RTCP, SIP, SDP, H.323. The PSTN and SS7. Where H.248 fits into the picture. H.248 history. MGCP. The IETF. Megaco. ITU standards. H.248v1, v2, v3. H.248 architectures Media Gateways, Media Gateway Controllers, Gateway Control functions, Signalling Gateways. Reference architectures: IMS/TISPAN: IBCF, IWF, I-BGF, SPDF. MSF: S-SBG-NC, D-SBG-NC. GSMA: IPX Proxy. Softswitches. H.248 concepts The connection model, terminations, streams, contexts. Termination properties: descriptors, context properties. Events, signals, packages. H.248 messages Protocol stack, UDP, TCP. Message structure. Transactions, actions, commands. Requests, replies, acknowledgements. Sample message flows. Binary encoding, ASN syntax, Text encoding. H.248 commands Termination manipulation: Add, Subtract, Move, Modify. Event reporting: Notify. Management: AuditCapability, AuditValue, ServiceChange. H.248 Descriptors What are descriptors? Relationship with messages and commands. Basic descriptors, Descriptors composed of other descriptors. The 19 descriptors. Defaults. H.248 Transactions Groups of commands, transaction Ids, relationship with actions and commands. Requests and replies. H.248 wrap up What is a package? Basic packages. H.248 security. H.248 - SIP interoperation. H.248 interoperation with other protocols.

RADIUS training course description A fast paced hands-on introduction to RADIUS. Moves from installation and configuration through to packet analysis and accounting. Practical exercises are spread throughout the course to maintain student interest. What will you learn Configure PPP and PAP/CHAP. Install and configure RADIUS servers. Describe how RADIUS works. Setup RADIUS accounting. Analyse RADIUS packets. Troubleshoot RADIUS installations. RADIUS training course details Who will benefit: Network Administrators. Support personnel. Anyone who will be working with RADIUS. Prerequisites: Knowledge of the TCP/IP protocols would be advantageous. Duration 2 days RADIUS training course contents What is RADIUS? AAA services, Authentication, Authorisation, Accounting, local AAA services, remote AAA services, What is RADIUS? RADIUS as a protocol, RADIUS as an architecture, RADIUS as a standard. Installing RADIUS RADIUS platforms, RADIUS servers, client server communications, services, daemons. Hands on Installing RADIUS and testing with NTRadPing. Server configuration Configuring clients on the server, shared secrets, usernames and passwords. IP address pools. Hands on Configuring a server and testing with NTRadPing. Client configuration Example clients, client configuration steps, enabling RADIUS, pointing clients to the server, shared secrets, example Cisco authentication, example Cisco authorization. Hands on Configuring clients for RADIUS. How RADIUS works RADIUS architecture, RADIUS and authentication, PPP, PAP, CHAP, RADIUS SUCCESS, RADIUS FAILURE, the RADIUS protocol stack, the RADIUS protocol, the RADIUS header, RADIUS codes, RADIUS attributes, ACCESS-REQUEST example, ACCESS-ACCECPT example, CHAP example, proprietary attributes, using unassigned type codes, RADIUS attribute 26, Cisco specific attributes. Hands on Analysing RADIUS packets, configuring PPP CHAP to work with RADIUS. RADIUS accounting Simplified operation, Accounting codes, Accounting attributes, client and server configuration for accounting. Hands on Configuring RADIUS accounting. RADIUS architectures Traditional architecture, multiple RADIUS servers for resilience, Proxy RADIUS servers, Realms, RADIUS in VPNs, RADIUS with 802.1x. Hands on Using multiple RADIUS servers, Proxies. Troubleshooting RADIUS General problem solving, basic tools, RADIUS troubleshooting, Common configuration errors, log files, RADIUS design and performance. Hands on Fixing RADIUS problems.

Session Border Controllers course description A hands on course covering Session Border Controllers with a focus on the technical workings of features commonly found in Session Border Controllers. Hands on practicals follow each major theory session. What will you learn Explain how Session Border Controllers work. Explain the SIP call flow using a SBC. Deploy Session Border Controllers Describe the features found in Session Border Controllers. Session Border Controllers course details Who will benefit: Technical staff working with SIP. Prerequisites: Definitive SIP for engineers Duration 2 days Session Border Controllers course contents SIP review Signalling, media, RTP, SIP, peer to peer, SIP proxies, SIP call flows. Hands on: SIP packet analysis. Session Border Controllers What is a SBC? SBC features, peering scenario, access scenario, NNI SBC, UNI SBC, enterprise SBC. Hands on: SBC call flows SBC topology hiding Header privacy, B2BUA. Hands on: Header analysis. Session control Call admissions, QoS, statistics and billing, redundancy and scalability. Hands on: SBC session control SBC and NAT NAT traversal, STUN, ICE, NAT and SIP, NAT and RTP. Hands on: SBC and NAT traversal. SBC and security DoS, access control, encryption, authentication, toll fraud, regulatory issues, lawful intercept. Hands on: Security. Interoperability mediation Manipulating SIP headers, IMS, IETF, TISPAN, SIP-I. SBC interworking.

Definitive 802.1X training course description A hands-on training course concentrating solely on 802.1X. Hands on sessions follow major chapters to reinforce the theory. What will you learn Describe 802.1X. Explain how 802.1X works Configure 802.1X Troubleshoot 802.1X. Definitive 802.1X training course details Who will benefit: Technical network staff. Technical security staff. Prerequisites: SIP for engineers Duration 2 days Definitive 802.1X training course contents Introduction What is 802.1X? Authentication access, 802.3, 802.11. IEEE, 802, 802.1X-2001, 802.1X-2010. Architecture Supplicant, Authenticator, Authentication server, EAP, EAPOL, RADIUS, Diameter. Port configuration 802.1X in a switch environment. Hands on Configuring 802.1X. How it works Controlled ports, uncontrolled ports. Authentication flow chart, Initialisation, initiation, negotiation, authentication. Hands on 802.1X packet analysis. 802.1X and 802.11 WiFi, WiFi security. Hands on 802.1X WiFi port access. EAP Extensible Authentication Protocol, RFC 3748, RFC 5247. EAP methods: Weak, MD5, LEAP, Strong: TTLS, TLS, FAST. Encapsulation: 802.1X, PEAP, RADIUS, Diameter, PPP. 802.1X accounting RADIUS, accounting messages, 802.1X accounting AV pairs. 8021.X and VLANS VLANs, Guest VLAN, restricted VLAN, voice VLAN. Hands on VLAN assignments with 802.1X.

H.323 training course description A hands on course covering IP telephony with H.323. The course starts with a brief review of knowledge students should already possess including RTP and RTCP. The main focus is on H.323 protocols though, progressing from what H.323 is through signalling, call processing and architectures, moving onto more advanced issues including security, multimedia, conferencing, and interoperability. Hands on practicals follow each major theory session. What will you learn Explain how H.323 works. Analyse H.323 packets. Deploy H.323 IP telephony solutions. Integrate H.323 with other telephony solutions. H.323 training course details Who will benefit: Technical staff working with H.323 Prerequisites: Voice Over IP Duration 2 days H.323 training course contents VoIP review Brief review of VoIP, IP, telephones and voice. RTP, RTCP, mixers and translators. What is H.323? The framework, Why H.323, history, H.323 standards and the ITU, H.323 versions 1,2,3,4, and 5, Annexes and Appendices, capabilities, services, How H.323 works, a basic call. H.323 protocol stack The overall framework, Audio codecs (H.7xx), Video codecs (H.26x), T.120 data conferencing. H.323 Architecture Endpoints: Terminals, MCUs, gateways. Gatekeepers, border and peer elements, design issues, signalling with and without gatekeepers. H.225 Packet format, ASN.1, Information elements, Call setup, Call control. Gatekeepers Gatekeeper features, admissions, address translation, bandwidth management, call routing, zones, administrative domains, gatekeeper discovery, call establishment, fast connect. RAS packet formats, RAS signalling. Alternate gatekeepers. H.245 Purpose, call control channel, relationship with H.225, message format, tunnelling. H.323 Supplementary services Conferencing: point to point, multipoint, hybrid, broadcast, H.332. H.450.x. Call transfer, diversion, hold and waiting. Remote device control (H.282, H.283). Capability exchange, Video. Security H.235. Authentication, privacy, transport layer level security. Interoperability Gateways, Inter working with PSTN, SIP and H323. H.246. Annexes and Appendices An overview.

Video coding training course description This course investigates the characteristics of video coding with an emphasis on compression and the standards used in IP networks. What will you learn Explain how video coding works. Describe the main video coding standards. Evaluate and compare the major video coding standards. Video coding training course details Who will benefit: Anyone working with MPEG. Prerequisites: None. Duration 2 days Video coding training course contents Introduction Video coding systems, encoding, transmission, decoding. Digital video formats: Old formats (CIF…), PC formats (VGA…), SD, HD, UHD. Video codecs What is a CODEC, pictures and audio, digitisation, sampling, quantisation, encoding, compressing. Codec types Lossy, lossless, uncompressed. Quality, bandwidth. Video Fps, bitstreams, pictures, frames, fields. Aspect ratios. Colour Colour perception, RGB, YUV, YCbCr sampling, 4:00, 4:2:0, 4:2:2, 4:4:4. Hybrid video coding scheme Picture partitioning, intra prediction, inter prediction, motion estimation, residual coding, in loop filtering, entropy coding. Containers Relationship with codecs, audio, video. Audio Video Interleave (.avi), .asf, QuickTime, AVCHD, Flash, .mp4, 3gp. MPEG-TS. MPEG Analysing MPEG frames. Video coding standards H.264/AVC: Profiles MPEG, bit rates, resolution. I, B, P frames, GOP. MPEG 2, MPEG 4, H.264, H.265, VP9, AV1. Hands onand levels, how it works. H.265/HEVC: Profiles and levels, Quadtrees, slices, how it works. Open video coding: VP8, VP9, AV1.

D-Link switches training course description A hands on course covering the product specifics of D-Link switches. Installation, configuration, maintenance and troubleshooting are all covered in a practical oriented way. What will you learn Install D-Link switches. Use the command line interface and the web based interface to manage D-Link switches. Configure and troubleshoot D-Link switches. Perform software upgrades and maintain configurations using TFTP. D-Link switches training course details Who will benefit: Anyone working with D-Link switches. Particularly aimed at engineers and technicians supporting D-Link switches. Prerequisites: None. Duration 2 days D-Link switches training course content Introduction How Ethernet works with hubs, How Ethernet works with switches. Installing D-link switches. Hands on Building a network with a hub, building a network with a D-Link switch. Basic troubleshooting The D-Link switch range, LEDs, cabling issues, factory resets, default settings. Hands on Building a network with multiple D-link switches. Configuration methods Managed vs. unmanaged switches, Console port access, telnet, web based access, SNMP, saving configurations, NVRAM, switch stacks. Hands on Accessing the switch using the CLI, IP address configuration, telnet. Command line interface Users, privileges, the CLI, online help. Hands on Basic commands, user accounts, displaying the switch configuration. Web based interface Getting started, basic format. Hands on Configuring the switch using the web interface. Port configuration Common port configuration tasks, link aggregation. Hands on Configuring ports. STP configuration What is STP? 802.1D vs. 802.1W (RSTP), configuring STP. Hands on Enabling and disabling STP, changing STP versions, configuring STP. VLAN configuration What are VLANS? 802.1Q, tagged/untagged, creating VLANS, applying VLANS. Hands on Setting up VLANS, setting up 802.1Q, Inter VLAN traffic. Housekeeping TFTP, upload download, updating firmware, updating configuration files, BOOTP/DHCP for IP addresses. Hands on Using TFTP to configure a D-Link switch. SNMP Switch configuration, D-View, other NMS's. Hands on Using SNMP to manage a D-link switch putting it all together: troubleshooting.

3G training course description This course is designed to give the delegate an understanding of the technologies used within a 3G UMTS mobile network. During the course we will investigate the UMTS air interface and the use of Wideband-Code Division Multiple Access (WCDMA) to facilitate high speed data access, together with HSPA to offer mobile broadband services. We will describe the use of soft handover rather than hard handover procedures and soft capacity sharing. The course includes a brief exploration of the UMTS protocol stack and the use of PDP Context and QoS support features. What will you learn Explain the 3G UMTS architecture. Describe the role of a Drifting & Serving RNC. Explain the use of ARQ & HARQ for mobile broadband. Describe how IMS integrates into the architecture. Describe the use of Media Gateway Controllers. Identify the temporary identities used within 3G UMTS. 3G training course details Who will benefit: Anyone working within the telecommunications area, especially within the mobile environment. Prerequisites: Mobile communications demystified Telecommunications Introduction Duration 2 days 3G training course contents D3GPP specifications 3GPP standards body, Evolution path, Frequency and bandwidth, Conceptual model, UMTS general architecture, UTRAN architecture & radio access bearer. CDMA principles CDMA principle, Code characteristics, Code requirements. CDMA requirements Synchronization, Power control, Soft handover, Rake receiver, Antenna consideration, Multi-user detection. Radio interface protocol architecture Access stratum & non-access stratum, Overall protocol structure, Logical and transport channels, Physical channels, Protocol termination. Layer 2 Protocols Medium Access Control (MAC) Protocol, Radio Link Control (RLC) Protocol, Packet Data Convergence Protocol (PDCP) protocol, Radio Interface for Broadcast/Multicast Services. Radio Resource Control (RRC) Protocol RRC Architecture, RRC Protocol State, Broadcast of information, RRC connection management, Radio bearer management, RRC connection mobility functions, Power control, Ciphering and Integrity. Mobile procedures Mobility management states and transitions, UMTS identities, Procedures in Idle mode (location updates, cell selection/ re-selection), Circuit-switched call set-up, Packet-switched context activation and context preservation, Data transfer initialization, Soft-handover procedure. Introduction to HSPA The need for high speed data, Fast HARQ, Improved scheduling, Additional channels, Soft combining, HS-DSCH codes, Uplink HSPA vs downlink HSPA, Full HSPA, Use of MIMO, Enhanced CELL_FACH.