60 Numbers courses in Cardiff

Ethernet LANS training course description This course has been replaced as part of our continuous curriculum development. Please see our Definitive Ethernet switching course What will you learn Describe what Ethernet is and how it works. Install Ethernet networks Troubleshoot Ethernet networks Analyse Ethernet packets Design Ethernet networks Recognise the uses of Hubs, Bridges, switches and routers. Ethernet LANS training course details Who will benefit: Those wishing to find out more about how their LAN works. Prerequisites: Intro to Data comms & networking. Duration 3 days Ethernet LANS training course contents What is Ethernet? LANS, What is Ethernet?, history, standards, the OSI reference model, how Ethernet works, CSMA/CD. Ethernet Cabling UTP, cat 3,4,5, Cat 5e, Cat 6, Cat 7, fibre optic cable, MMF, SMF. Hands on Making a cable. 802.3 physical specifications Distance limitations, hubs and repeaters, 5-4-3-2-1 rule, 10BaseT, 10BaseF, 100BaseTX, 100BaseFX, 1000BaseSX, 1000BaseT, 10gbe. Hands on Working with hubs. Ethernet layer 2 Overview, NICS, device drivers, MAC addresses, broadcasts, multicasts, frame formats, Ether II, 802.3, 802.2, SNAP, compatibility, Ethernet type numbers, Ethernet multicast addresses, Ethernet vendor codes. Hands on Installing Ethernet components, analysing MAC headers. IP and Ethernet ARP Hands on Analysing ARP packets. Ethernet extensions Full/half duplex, auto negotiation, flow control methods, 802.3ad, 802.3af, 802.3ah. Hands on Configuration of full/half duplex. Ethernet speed enhancements Encoding, Carrier extension, packet bursting, jumbo frames. Prioritisation 802.1P, 802.1Q, TOS, WRR, QOS, VLANs. Hands on 802.1p testing Interconnecting LANS Broadcast domains, Collision domains, What are bridges, transparent bridging, What are switches? STP, VLANS, What are routers? Layer 3 switches, Connecting Ethernet to the WAN. Hands on STP, Analysing Ethernet frames in a routed architecture. Troubleshooting and maintaining Ethernet Utilisation, performance, TDR and other testers, bottlenecks, statistics, RMON. Hands on Monitoring performance, troubleshooting tools.

IP CCTV training course description This hands on course covers the technologies used in IP CCTV systems. The focus is not on operating or cabling but more advanced configuration and troubleshooting. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. What will you learn Install IP CCTV. Configure IP CCTV. Explain how IP CCTV protocols work. Troubleshoot IP CCTV. IP CCTV training course details Who will benefit: Technical staff working with IP CCTV. Prerequisites: None. Duration 2 days IP CCTV training course contents Introduction What is IP CCTV? Camera types, Video, Audio, two way audio, IP CCTV software. Hands on Installing IP CCTV. CCTV architecture Components, servers, storage, LANs, WANs. Centralised versus decentralised. Hands on Using IP CCTV. Ethernet What is Ethernet? Ethernet cabling, Inside versus outside, hubs, switches, PoE, VLANs. Hands on Ethernet connectivity. Wireless WiFi, other wireless solutions, 802.11, variations, frequencies, Access Points, bridges, repeaters. WEP, WPA, WPA2, Hands on WiFi Configuration Ways to configure, IP addresses, subnet mask, default gateway, DHCP, NAT, access from the Internet. Hands on CCTV configuration. How IP CCTV works TCP, UDP, IP, RTP, RTSP, SIP, PTZ, NTP, Wireshark. Port numbers. Hands on Using Wireshark to troubleshoot IP CCTV. Network issues with IP CCTV Bandwidth, video resolution, compressions, codecs, frame rates, audio. QoS. One way versus two way traffic. Hands on Analysing CCTV traffic. Security VPNs, Firewalls. Hands on CCTV through a firewall. Troubleshooting ping, tracert, arp, ipconfig, pathping, tracert. Cable issues, switch issues, WiFi issues.CCTV issues. Hands on CCTV troubleshooting. Miscellaneous Design issues, multicasting, gateways. DVR technology. Calculating storage requirements.

Server Load Balancing course description This two-day Server Load Balancing course introduces the concepts of SLB from the reasons to implement, through the basics and then onto details studies of load distribution, health checks, layer 7 switching and Global SLB. What will you learn Explain packet paths when implementing SLB. Recognise the impact of different topologies. Evaluate SLB load distribution methods. Describe how load balancers can improve security. Explain how GSLB works. Server Load Balancing course details Who will benefit: Anyone working with SLB. Prerequisites: None. Duration 2 days Server Load Balancing course contents Introduction Concept, reasons, benefits, alternatives. Other features: Security, Caching. SLB concepts Architectures, Virtual servers, real servers, Virtual IP address, health checks. DNS load balancing. Packet walk using SLB. Load balancing 6 modes of bonding and load balancing without SLB. ISP load balancing. Health. Distribution policies: Round Robin, least connections, weighted distributions, response time, other variations. Persistent versus concurrent. Layer 4 switching L2 SLB, L3 SLB, single arm SLB, DSR, more packet walking, TCP versus UDP, Port numbers. Layer 7 switching Persistence. Cookie switching, Cookie hashing, Cookie insertion, URL switching, URL Hashing, SSL. Health checks Layer 3: ARP, ping. Layer 4: SYN, UDP. Layer 7: HTTP GET, Status codes, HTTP keepalives, content verification, SSL. Other application keepalives. What to do after failure and recovery. Security DOS attack protection, SYN attack protection, Rate limiting: connections, transactions. SSL offload. Redundancy Hot standby, Active standby, Active active. Stateful, stateless. VRRP, STP. GSLB Anycasting. DNS, TTL, DNS load balancing, problems with DNS load balancing,. HTTP redirect, health, thresholds, round trip times, location.

SMPTE 2022 training course description SMPTE 2022 is the standard for IP video transport in the broadcast industry. This course covers the seven section of the standard in detail. Particular attention is given to FEC and seamless protection switching areas of the standard. What will you learn Use Wireshark to analyse. SMPTE 2022 streams. Explain the role of FEC in SMPTE 2022. Explain how SMPTE 2022 provides resilience. SMPTE 2022 training course details Who will benefit: Anyone working with TV distribution. Prerequisites: TCP/IP foundation for engineers Duration 1 day SMPTE 2022 training course contents Introduction What is SMPTE 2022, SMPTE 2022 parts. SDI over IP. Contribution and distribution versus delivery. The SMPTE 2022 protocol stack SMPTE 2022-2 (mapping of MPEG TS into IP) and SMPTE 2022-6 mapping uncompressed video into IP. IP: Best effort, connectionless, DF flag, routers, Diffserv, RSVP. IPv6. UDP: Unreliable, connectionless, broadcasts, multicasts and unicasts. RTP RTP, ports, payloads types, sequence numbers, timestamps. RTP header extensions. RTCP. MPEG2-TS: Elementary streams, transport over IP. FEC Forward Error Correction. SMPTE 2022-1, SMPTE 2022-5. Logical rows and columns. 1D and 2D parity. FEC header format. FEC configuration and choosing dimensions. FEC traffic shaping. Overheads and delays. Seamless protection switching IP failover. SMPTE 2022-7: Sending two matching streams over different paths. Stream synchronization. The HBRMT header. Calculating the packet to switch over. Summary Summary of the 7 sections of the SMPTE 2022 standard. Clock recovery.

Concise Cisco routers course description A fast paced practical hands on introduction to Cisco routers concentrating on basic product knowledge needed for the real world. Starts with the basics of routing through configuring static routes, RIP, OSPF, and EIGRP ending with access lists. Hands on sessions follow all the major chapters with a major practical at the end to reinforce all that was learnt in the course. What will you learn Use the Cisco setup script. Use the Cisco command line. Perform basic troubleshooting. Configure - Interfaces - RIP, IGRP - OSPF, EIGRP Concise Cisco routers course details Who will benefit: Anyone who will be working with Cisco routers. In particular: Network Administrators, Field engineers, Network support personnel Prerequisites: None, although a knowledge of the TCP/IP protocols would be advantageous. Duration 3 days Concise Cisco routers course content Basics of routing What are routers? Network protocols, Routing protocols. The Cisco routers Router models, The IOS, DRAM, SRAM, NVRAM, Flash, ROM and boot flash. Getting started Accessing the router, installing a Cisco, using the setup script. The command line interface User and privilege modes, online help show, debug, basic troubleshooting Configuring Ciscos The configuration editor, Global, major and sub commands, enable, secret and other passwords, telnet. Miscellaneous exercises Buffered logging, web access, CDP… Subnetting IP addressing rules. The need for subnetting, subnet masks, Calculating network numbers. Configuring Interfaces Basics, Ethernet, Serial lines, PPP, DCE, loopback interfaces. Static routes Why use static routes? Configuring static routes, default routes. Configuring RIP and IGRP How they work, configuration, troubleshooting. OSPF Configuration and troubleshooting. EIGRP Configuration and troubleshooting. Housekeeping Configuration management, offline editing and TFTP usage. Cisco boot sequence, IOS upgrades. Bypassing Cisco passwords. Access lists What are access lists? General rules, basic and extended IP access lists. Putting it all together A series of exercises based around, installs, adds, moves, changes, upgrades and troubleshootin

Data centre infrastructure course description This course provides a foundation in data centre infrastructure technologies. It begins with a tour of virtualisation and the impact of this on the network before moving on to the spine and leaf design, how it works and how to scale. Layer 2 technologies enabling this architecture are studied in terms of the impact on the data centre. The course then progresses onto how Layer 3 technologies such as BGP, EVPN and VXLAN are used in data centre networks. The course then studies interconnecting data centres finishing with a section on automation and orchestration of both underlay and overlay networks. What will you learn Explain the spine and leaf architecture Recognise the impact of virtualisation, containers and orchestration on the network Describe how the following technologies are used in data centres: Multi port aggregation Overlay networks MBGP, VRFs, EVPN VXLAN COOP Data centre infrastructure course details Who will benefit: Staff involved with Data centres. Prerequisites: Network fundamentals for engineers Duration 2 days Data centre infrastructure course contents What is Ethernet? Data centres versus enterprise networks. Servers, Blades, Racks, Clusters, Storage, Virtual Machines, Hosts, guests, containers, orchestration. Virtual switches. Distributed switches. Live migrations (e.g. vMotion). IP addressing and VM traffic. Data centre network architecture Spine leaf design. North south traffic, East West traffic, Scaling: Ports, bandwidth. N+1 redundancy, ratio East West optimisation, oversubscription. 2 tier versus 3 tier Leaf/Spine. Pods. Underlay, Overlay L2 technologies STP vs link aggregation vs multi link aggregation. LACP, LLDP, CDP. Scalability. VLANs and VLAN pruning. L2 design recommendations. Disabling STP on edge ports. L3 technologies Underlay, Overlay, VXLAN, VTEP, VXLAN overlay forwarding, EVPN, IS-IS, COOP, MP BGP, VRFs, EBGP, IBGP, AS numbers, route reflectors. Anycast gateways. MTU considerations-for data and control planes. BUM traffic. Data centre interconnects Pods, fabrics, multi pods, multi fabric, multi site. VXLAN with BGP/EVPN Data center interconnect. Cloud integration, Inter Site Networks. Automation Automation and orchestration, Zero touch provisioning, Devops, Netops, telemetry automated configuration for underlay and overlay, SDN.

CPRI training course description This course is designed to give the delegate a technical overview of the CPRI protocols and link setup. We will explain the industry cooperation to define the key internal interface between the radio equipment control (REC) and the radio equipment (RE). Also explained will be the SAP that the CPRI link supports for IQ Interface, frame synchronisation, link control and management and the master and slave ports. We will investigate the CPRI block diagram and together with the data formats and sample mapping solutions. The CPRI frame hierarchy and hyperframe construction will be detailed during this three day overview course. What will you learn Explain the CPRI Block diagram. Understand hyperframing capabilities. Explain the CPRI frame format. Understand how the synchronisation is compliant with 3GPP & WiMAX requirements. Understand the two electrical characteristics of CPRI standard. Understand the CPRI standards structure. Understand the CPRI system & Interface definitions. List the four standard bit rates of the CPRI specification. Understand the CPRI Protocol stacks. CPRI training course details Who will benefit: Anyone looking for a technical overview of the CPRI protocols and link set up. Prerequisites: None. Duration 3 days CPRI training course contents System Description Subsystems. Nodes. Protocol layers. Protocol data planes. User data planes. Antenna carriers. Service Access Points (SAP). Link. Passive Link. Hop. Multi-hop Connection. Logical Connection. Master Port & Slave Port. System Architecture Basic System Architecture & Common Public Radio Interface Definition. System Architecture with a link between Res. Reference configurations: Chain topology, Tree topology, Ring topology. RECs & REs in both chain & tree topology Functional description Radio Functionality. Functional Decomposition between REC and RE: For UTRA FDD, For WiMAX & E-UTRA, For GSM. CPRI Control Functionality. Interface Baseline Interface Specification. Protocol Overview. IQ Data. Synchronisation. L1 Inband Protocol. C & M Data. Protocol Extensions. Vendor Specific Information. Physical Layer Specifications Line Bit Rate. Physical Layer Modes. Electrical Interface. Optical Interface. Line Coding. Bit Error Correction/Detection. Frame Structure. Mapping Methods. Container Blocks. Hyperframes. GSM, UMTS & WiMAX Timing. Link Delay Accuracy & Cable Delay Calibration. Link Maintenance Data Link Layer (Layer 2) Specification Layer 2 Framing for Fast & Slow C & M Channels. Medium Access Control/Data Mapping. Flow Control. Start-up Sequence General. Layer 1 Start-up Timer. State Description. Transition Description. Interoperability Reserved Bandwidth. Version Numbers. Supplementary Specification Details Delay Calibration Example. Reference Test Points. List of Abbreviations & Gloss

IP demystified training course description A concise overview course covering TCP/IP with particular emphasis on the addressing and security issues of TCP/IP networks. What will you learn Describe TCP/IP. List the rules of IP addressing. Recognise the impact of the addressing rules on adds/moves and changes. Recognise the use of subnet masks. Explain how firewalls work. Recognise the role of DNS. IP demystified training course details Who will benefit: Anyone, although the course is particularly aimed at non-technical personnel needing some knowledge of TCP/IP. Prerequisites: Network fundamentals Duration 1 day IP demystified training course contents What is TCP/IP? What is IP? What is TCP? What is TCP/IP? Internetworking, protocols, services. The Internet, RFCs, comparison with OSI 7 layer model. Basic configuration IP addresses, subnet masks, default gateways, DHCP, ping. Addressing IP address format, rules of IP addressing, where to get IP addresses, private addresses, subnet masks, How subnet masks are used to determine network numbers. Ranges of addresses. NAT Private versus public IP addresses, NAT, NAPT. IPv6 What is IPv6, IPv6 usage, Why IPv6, 128bit IPv6 addresses, IPv6 migration, dual stack, tunnelling. Routing What is a router? how routers join networks, benefits and disadvantages of routers, default gateways, routing tables, routing protocols. Traceroute. Firewalls What is a firewall, firewall architectures, filtering, DMZ, Proxy servers, stateful packet inspection. DNS How hostnames are converted to IP addresses.

SIP in IMS training course description The IP Multimedia Core Network Subsystem (IMS) is defined by 3GPP as a new mobile infrastructure. This advanced course looks at the use of SIP in the IMS. What will you learn Describe the role of SIP in the IMS. Explain how SIP works in the IMS Describe the SIP architecture in the IMS. Explain how SIP and SDP are used in basic IMS procedures. SIP in IMS training course details Who will benefit: Technical telecommunications staff. Prerequisites: SIP for engineers. Duration 2 days SIP in IMS training course contents Introduction SIP review, SIP elements, Simple SIP call flow, What is IMS? Why IMS? Why SIP in the IMS? SIP and IMS relationship. Standards 3GPP, IETF, 3GPPr5, 3GPPr6, 3GPP SIP extensions. SIP and IMS IMS architecture, SIP interfaces. Server functions Registration, home and away, location and directory services, stateful and stateless servers. SIP servers P-CSCF, I-CSCF, S-CSCF, PSTN gateways SIP registration in the IMS SIP REGISTER, IMS identities, registration process, P-CSCF discovery, S-CSCF assignment, IMS subscriber and IMS registrar signalling flow. IMS routing in the registration process. Re and De-registration. SIP sessions in the IMS SIP INVITE, Establishing IMS SIP sessions, User at home network, user roaming, IMS offer answer architecture, SIP preconditions, QoS, reserving resources, IMS bearer network interactions, IMS subscriber and IMS service signalling flow. Typical call flows. SIP services in the IMS IMS specifications, IMS service procedures, call scenarios, call services. IMS multimedia related procedures. IMS presence, IMS messaging, IMS conferencing, IMS PoC. SIP-T SIP and the PSTN, URIs and ENUM, NAPTR, SRV, ISUP numbers and URI mapping, IAM and INVITE, SIP to PSTN/ISUP mapping, PSTN/ISUP to SIP mapping, PSTN to PSTN over SIP. MIME media types for ISUP, DTMF transmission, CLIP and CLIR in SIP, ring tone, split gateways SIP-I ISO standards, translation versus tunnelling. IMS SIP extensions Security (RFC 3310, 3329), Resource reservation (RFC 3312), Media authorisation (RFC 3313), SigComp (RFC 3320), P Headers (RFC 3325, 3455), Mobile registration (RFC 3327, 3608), Reg event (RFC 3680), Preconditions (RFC 4032) Security IMS security architecture, identities, HTTP digest, TLS. Affect of security on SIP media sessions.

SNMP training course description A hands-on generic look at the technical operation of SNMP. The course starts with an overview of all the components, which make up SNMP. Hands on starts early with configuration of a managed network. The major versions of SNMP are then put into perspective followed by a look at the SNMP protocol. MIBs are then studied both from the perspective of reading MIBs and writing MIBs. The course finishes with a look at the security implications of SNMP. What will you learn Describe the SNMP architecture. Analyse SNMP packets. Recognise the MIB structure. Describe the SMI. Recognise the strengths and weaknesses of SNMPv2 and SNMPv3. SNMP training course details Who will benefit: Network administrators. Network operators. Programmers writing MIBs and agents. Prerequisites: TCP/IP Foundation for engineers Hands on experience of an SNMP management station would also be beneficial. Duration 3 days SNMP training course contents Network management What is network management? Benefits, issues. What is SNMP? SNMP architecture, SNMP MIBs, SMI, the SNMP protocol, polling security, alternatives to SNMP: CMIP, web based management. Configuring SNMP Auto discovery for management stations, NMS configuration, agent configuration, traps. Hands on Configuring agents and an NMS. SNMP background SNMP history, RFCs, standards, SNMP protocol versions, SNMPv1, SNMPv2, SNMPv3, SNMP SMI versions, which version should you use? Futures. SNMPv1 packets SNMP in the 7 layer model, port numbers, general packet format, BER, GET, GET-NEXT, tables, SET, TRAP, bandwidth issues, in band versus out of band management. Hands on Analysing SNMPv1 packets. SNMPv2 packets SNMPv2 improvements, error handling, GETBULK, v2traps, INFORM. Hands on Analysing SNMPv2 packets. SNMPv3 packets SNMPv3 packet format, use of SNMPv2 messages, REPORT PDU. MIB structure The internet MIB branch, standard mib-2, extra parts of mib-2, private enterprise MIBs, loading extra MIBs. Hands on MIB browsing. mib-2 The mib-2 groups, system group, interfaces group, IP group, ICMP group, TCP group, UDP group, transmission group, SNMP group, RMON. Hands on mib-2 browsing in detail. SMI The MIB layout, obtaining a private enterprise number, MIB definitions, IMPORT, Module identity, Textual conventions, object definitions, notifications, compliance statements, object groups, base SMI data types, application data types, scalars, instances, tables, table definition, writing agents, SMIng. SNMP security Community strings, SNMPv1 and SNMPv2c security practices, SNMPv3 security, SNMPv3 architecture, SNMP applications, the SNMP engine, the EngineID, security fields in SNMPv3 packets, USM, authentication, encryption, timeliness, VBAC, SNMPv3 configuration.