2196 Courses in Cardiff

ANSIBLE TRAINING COURSE DESCRIPTION The course focusses on the use of ansible for network devices instead of its usual server use case. The course progresses from the basics of ansible and playbooks onto using network specific modules including NAPALM. The use Jinja2 templating with ansible is also studied. Hands on sessions with ansible configuring routers and switches follow all major sections. WHAT WILL YOU LEARN * Automate tasks with ansible. * Write ansible playbooks. * Configure network devices with ansible. * Troubleshoot network devices with ansible. * Use ansible network modules. * Use jinja2 templates with ansible. ANSIBLE TRAINING COURSE DETAILS * Who will benefit: Network engineers. * Prerequisites: TCP/IP Foundation * Duration 2 days ANSIBLE TRAINING COURSE CONTENTS * What is ansible? The language, the engine, the framework. Uses of ansible, orchestration. Hands on Installing ansible, enabling SSH on network devices. * Ansible architecture How ansible 'normally' works, Agentless, SSH, ansible and Python, modules, how ansible work on network devices, Configuration management, inventories, playbooks, modules, ansible.cfg. Hands on Getting started, running ad hoc commands. * Playbooks ansible-playbook, users, YAML, plays, tasks, modules. ansible-vault. Hands on Running playbooks. * More playbooks Handlers, variables, environmental variables, playbook variables, inventory variables, variable scope and precedence, accessing variables, facts, ansible vault. Conditionals, wait_for. Hands on Using variables and conditions in playbooks. * Inventories /etc/ansible/hosts, inventory variables, static inventories, dynamic inventories. Hands on Inventories and variables. * Ansible network modules Built in modules, custom modules, return values. ansible-doc -l. connection: local, Cisco modules, Juniper module, Hands on Using modules for your network devices. * Ansible templatings The template module, the assemble module, jinja2 templates, for, if else. Hands on Configuring network devices from templates. * Roles and includes Dynamic includes, Handler includes, playbook includes. Roles, role parts: handlers, files, templates, cross platform roles, ansible galaxy. Hands on includes example, building roles. * Ansible and NAPALM Installation, napalm-ansible, NAPALM modules: napalm_diff-yang, napalm_get_facts, napalm_install_config, napalm_parse_yang, napalm_ping, napalm_translate_yang, napalm_validate. Hands on Using NAPALM modules in ansible.

SOCKETS PROGRAMMING TRAINING COURSE DESCRIPTION A hands on course for programmers using Sockets. It is important to recognise that the course assumes that delegates are already familiar with TCP/IP and Python. Practical exercises follow all the major theory sessions. WHAT WILL YOU LEARN * Read Python programs which use Sockets. * Write Python programs which use Sockets. * Debug Python programs which use Sockets. SOCKETS PROGRAMMING TRAINING COURSE DETAILS * Who will benefit: Programmers working with network applications. * Prerequisites: TCP/IP foundation for engineers Python for network engineers * Duration 2 days SOCKETS PROGRAMMING TRAINING COURSE CONTENTS * What is a socket? Review of IP, ICMP, UDP vs TCP, IP addresses, protocol numbers, ports. API's, UNIX I/O, sockets. SOCK_STREAM, SOCK_DGRAM. Hands on Compile and run code. * The systems calls Clients and servers, structs, socket(), bind(), connect(), listen(), accept(), send(), recv(), sendto (), recvfrom(), close(), shutdown(), getpeername(), gethostname(). Hands on Walk through of example client and server code. * First code TCP connections, passive opens, active opens. Hands on Write a simple 'hello world' server and client. * Application protocols User character stream, ASCII turn taking, binary protocols. Hands on Raw SMTP, Writing a mail client. * Clients Concurrency, polling, threads, event driven programming. Hands on Conferencing application. * Servers Concurrency, stateful, stateless. Forks and execs. inetd. Hands on Running servers with and without inetd, chroot jails, conferencing server modifications. * Advanced techniques Blocking, select(), partial send(s). Raw sockets, example sockets using Java, Perl and PHP. Hands on A broadcast application.

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.

HP IMC FOR ENGINEERS TRAINING COURSE DESCRIPTION A hands on course focusing on network management using HP iMC on Microsoft Windows or UNIX. WHAT WILL YOU LEARN * Describe the network management architecture. * Use HP NNMi. * Diagnose faults using HP iMC. * Recognise the MIB structure. HP IMC FOR ENGINEERS TRAINING COURSE DETAILS * Who will benefit: Network administrators. Network operators Those wishing to find out more about how their NMS works Anyone wishing to implement NFV using OpenStack. * Prerequisites: Introduction to Virtualization * Duration 2 day HP IMC FOR ENGINEERS TRAINING COURSE CONTENT * Network management What is network management? Benefits, issues. * Getting started with HP iMC Starting HP iMC, IP discovery, IP monitoring, controlling IP discovery. Hands on Initial HP iMC configuration. * Using HP iMC Viewing devices, Device view, IP view, network view, polling. Hands on Using HP iMC. * Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Hands on Configuring network devices for HP iMC. * Parts of SNMP SNMP architecture, MIBs, The protocol. HP iMC SNMP configuration. Hands on HP iMC SNMP configuration. * MIBs The MIB2 groups, additional MIBs, MIB compilers, vendor MIBs. HP iMC MIB loader and browser. Hands on MIB browsing. * Monitoring devices Polling, obtaining MIB information. Hands on HP iMC performance management. * Configuration and change management Configuration templates, software library, configuration compare, configuration audit and reports. Hands on Using the configuration center. * Reports Report templates, Real time reports, scheduling reports. Hands on Using real time reports. * HP iMC fault management Alarms, polling, fault management, setting thresholds and configuring traps. Syslog. Hands on Working with alarms. Security alarms.

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.

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.

ADVANCED HP SWITCHES TRAINING COURSE DESCRIPTION A hands on course covering advanced features of HP switches. The focus of the course is on Layer 3 switching advanced features. Delegates will benefit the most from this course if they can supply us with their own configurations before the course. These configurations can then be used by the trainer in the course. WHAT WILL YOU LEARN * Configure and troubleshoot HP layer 3 switching. * Configure and troubleshoot OSPF * Harden HP switches. * Explain the majority of their own configurations (if configurations are supplied to us before the course). ADVANCED HP SWITCHES TRAINING COURSE DETAILS * Who will benefit: Technical staff working with HP switches. * Prerequisites: HP switches for engineers. * Duration 2 days ADVANCED HP SWITCHES TRAINING COURSE CONTENT * Introduction VLAN review. Tagged and untagged ports. MSTP, PVST, UDLD, BPDU guard. Hands on VLANs, diagnostic tools debug, LLDP, remote port mirroring. * L3 switching What are L3 switches? L3 lite, IPv4 and IPv6, routing protocols, routing tables. IP address on VLAN, no ip address on VLAN, connected interfaces, RIP. Hands on Routing between VLANs. Configuring and troubleshooting RIP. * VRRP Default gateways, dead router detection, resilience. Hands on Configuring and troubleshooting VRRP. * Static routes Why use static routes? Configuring static routes, default routes. * OSPF Link state protocols, operation. Router types, LSA types, area 0. Hands on Configuring and troubleshooting OSPF. * QoS Layer 2 QoS, 802.1Q, priorities, dscp mapping, rate limiting. * Access lists Filtering traffic through the switch, controlling access to the switch, enabling and disabling ACLs, standard ACLs, extended ACLs * Security DHCP snooping, ARP protection, STP guards, switch hardening. * Summary Walkthrough of delegate configurations.

BROADBAND ACCESS TRAINING COURSE DESCRIPTION ADSL is a broadband technology providing fast Internet access (amongst other applications) over existing telephone lines. This course covers an overview of the DSL family, what ADSL is through to how ADSL works. WHAT WILL YOU LEARN * Describe what ADSL is. * Describe how ADSL works. * Describe the ADSL architecture. * Recognise the limitations of ADSL. * List the elements required for an ADSL installation. BROADBAND ACCESS TRAINING COURSE DETAILS * Who will benefit: Network engineers and anyone who will be working with ADSL. * Prerequisites: Intro to data communications & networking * Duration 2 days BROADBAND ACCESS TRAINING COURSE CONTENTS * What is ADSL? Broadband definitions, OSI layer 1, ADSL services, WANS. ADSL features: always on, point to point, Asymmetric, speeds. ADSL benefits, xDSL family, standards, history, example DSL forum documents. * ADSL architecture The big picture, The PSTN and telephones, Digital and analogue, PSTN and modems, ADSL vs. modem speeds, Block 1: Customer premises, Block 2: The last mile, Block 3: The exchange, Block 4: the core network. * Customer premises Splitters, micro filters, splitter architectures, Splitterless ADSL, ADSL modems, USB, ADSL routers. * The local loop ADSL PHY, Some basics, ADSL margins, speed implications, distances, RADSL, Line testing, whoosh tests, line coding, multiple channels, FDM, echo cancellation, Modulation: AM, FM, PM, QAM, QAM constellations, DMT, CAP, Framing, Superframes, fast data mode, interleaved mode, RADSL revisited. * The exchange Local exchange ADSL items, DSLAMs, ADSL racks, Contention. * The core network The role of the core network, ATM, ATM VPI/VCI, ATM cells, ATM layers, AAL5, RAS, Home gateways. * ADSL and the higher layers Layer 2 choices, PPPoA, PPP, CHAP, Layer 4 and above, ADSL and ATM. * Installing and configuring ADSL Choosing providers, line activation, hardware requirements, Configuring layer 1 and layer 2, Configuring IP. * Summary ITU ADSL standards

LTE BACKHAUL TRAINING COURSE DESCRIPTION This course provides a concise insight into the LTE backhaul. Key parts of the course are detailed looks at the transport of messages and the S1 and X2 protocols. WHAT WILL YOU LEARN * Describe the overall architecture of LTE. * Explain how data and signalling messages are transported in LTE. * Describe the S1 protocol. * Describe the X2 protocol. LTE BACKHAUL TRAINING COURSE DETAILS * Who will benefit: Anyone working with LTE. * Prerequisites: Mobile communications demystified * Duration 2 days LTE BACKHAUL TRAINING COURSE CONTENTS * Introduction In the first section of the course, we review LTE and its hardware and software architecture. Requirements and key features of LTE. LTE Architecture and capabilities of the UE. Architecture of the E-UTRAN, functions of the eNB. EPC architecture, and functions of the MME, SGW, PGW and PCRF. System interfaces and protocol stacks. Example information flows. Dedicated and default bearers. EMM, ECM and RRC state diagrams. * Architecture of the radio access network In this section, we look in more detail at the architecture of the evolved UMTS terrestrial radio access network (E-UTRAN). Logical and physical architecture of the E-UTRAN. Numbering, addressing and identification. E-UTRAN functions. E-UTRAN protocol stacks. Timing and frequency synchronisation in LTE. * Transport of data and signalling in LTE Here, we look in more detail at the techniques and protocols that are used to transport data and signalling messages across the evolved UMTS terrestrial radio access network and the evolved packet core. Quality of service in LTE. The GPRS tunnelling protocol. Differentiated services Multi-protocol label switching (MPLS). The stream control transmission protocol (SCTP). * The S1 application protocol This section gives a detailed account of the signalling procedures in the S1 application protocol, which the MME uses to control the operation of the eNB. The material looks at the procedures, messages and information elements, and relates them to the system-level procedures in which they are used. S1 setup procedure. UE context management procedures. Non access stratum information transport. Procedures for managing the evolved radio access bearer (E-RAB). Paging procedures. Mobility management procedures for S1-based handovers. Procedures in support of self-optimising networks. * The X2 application protocol This section gives a detailed account of the signalling procedures in the X2 application protocol, which is used for peer-to-peer communication between eNBs. The material looks at the procedures, messages and information elements, and relates them to the system-level procedures in which they are used. X2 setup procedure. Mobility management procedures for X2-based handovers Procedures in support of self-optimising networks. * High level system operation In the final section, we bring our discussions of the S1 and X2 application protocols together by reviewing the system-level operation of LTE. Attach procedure. Transitions between the states of RRC Idle and RRC Connected. Tracking area updates in RRC Idle. Handover procedures in RRC Connected.

CARRIER ETHERNET TRAINING COURSE DESCRIPTION Ethernet is now the interface of choice for nearly all networking. This comprehensive course looks at the ways carriers can provide this Ethernet interface for their WANs and MANs. The course assumes delegates already have a solid foundation in Ethernet switching and so concentrates on just the Ethernet technologies for Carrier Ethernet. WHAT WILL YOU LEARN * Describe the main Carrier Ethernet services. * Evaluate transports for Carrier Ethernet. * Explain how Ethernet can work over MPLS and SDH. * Explain the Ethernet technologies used to enable Carrier Ethernet. CARRIER ETHERNET TRAINING COURSE DETAILS * Who will benefit: Network engineers. Staff working for carriers. * Prerequisites: Definitive Ethernet switching for engineers. * Duration 2 days CARRIER ETHERNET TRAINING COURSE CONTENTS * Introduction What is Ethernet? LANs, MANs, WANs, Ethernet and switches in the LAN. Traditional LAN/WAN integration, routers. The Ethernet interface for the WAN. Standards: IEEE, MEF, OIF, Ethernet Alliance. * Carrier Ethernet Services E-line: EPL, EVPL. E-LAN: EP-LAN, EVP-LAN. E-Tree: EP-Tree, EVP-Tree. Ethernet Services attributes. Applications: Carrier Ethernet for businesses, Mobile backhaul. Multicasting. * Service attributes Bandwidth profiles, bandwidth parameters, Class of Service, QoS, MTU, Protection mechanisms: STP, RSTP, MSTP, Link aggregation, G.8031, G.8032. * Transporting Carrier Ethernet The main options. 'Pure' Ethernet, Ethernet over SDH, Ethernet over WDM, Ethernet over MPLS. Ethernet switching, addresses and MAC address tables. Carrier Ethernet access technologies. EFM. * Ethernet over MPLS What is MPLS, MPLS-TE, MPLS-VPN, L2 VPNs, VPLS, VPWS. MPLS Fast Reroute. * CET 'Pure' Ethernet, Provider bridging 802.1d, Provider Backbone Bridges 802.1ah. Traffic engineering 802.1Qay. * Carrier Ethernet technologies 802.1ad VLAN stacking, 802.1AX Link aggregation. 802.1Q QoS. * OAM Standards, layers, interworking