340 Computing & IT courses in Sheffield

Advanced RF training course description This course provides a follow on to our popular RF fundamentals course for those that need to know more. What will you learn Explain RF propagation Describe the importance of transmission lines in RF systems. Recognise the issues in RF systems. Describe transmission measurements. Advanced RF training course details Who will benefit: Those working with RF systems. Prerequisites: RF fundamentals. Duration 3 days Advanced RF training course contents RF propagation The Electromagnetic Spectrum, Electromagnetic Radiation, Spherical Wave Front, The Space Wave, Receive Antenna below the Horizon, Bending the Space Wave , Surface Wave Path, Tilting of Surface Wave, Conductivity, Layers of the Atmosphere, Variations of the Ionosphere, Variations caused by Solar Activity, Multi Hop Transmission, Classification of Radio Waves, Fading, Fading Reduction, Free Space Path Loss, Shadowing of Radio Wave, Signal Levels after Shadowing, Radio Waves as Wavelets, Fresnel Zone. Transmission Lines Transmission Line Construction, Primary Line Constants, 'T' Networks, Input Impedence, Lossless Unbalanced Line, Standing Waves, Open Circuit / Short Circuit Termination, Short Circuit Standing Waves, Open Circuit Standing Waves, Voltage Standing Wave Pattern, Short Circuit Termination, Open Circuit Termination, The Directional Coupler, Effect of E and M Coupling, Practical Reflectometer. Antenna Theory The Open Circuit Line, Dipole V/I Distribution, Polar Diagram, Power Pattern ½ Wave Dipole, Half Wave Dipole, Vehicle Mount, Centre Fed Whip Antenna, Antenna Beamwidth, The Yagi Array, Uda Yagi array, Antenna Characteristics, 6 Element Yagi Polar Diagram, Log Periodic Antenna, Helical Antenna. Microwave Dish Array, Typical Microwave Dish Antenna. Transmission Measurements Transmission Measurements, Effective Isotropic Radiated Power, Fade Margin. Noise Noise in Communications, Noise Voltage Equivalent Circuit. Satellite Communications Satellite Communications, Large Earth Station, The Satellite Payload, Geo Stationary Orbit, Basic Orbits, VSAT Terminal, Iridium Phone, The Space Segment, Satellite Footprint, Typical System Hardware. Mobile Communications Mobile Evolution, The Path to UMTS, Technologies Bit Rate and Mobility, Systems and Specifications, Wireless Networks, Diffraction, Multi Path Propagation, Loss Models, GSM Architecture, OSI Model - GSM, OSI Reference Model, OSI Layers.

Satellite communications training course description This course starts by recaping some of the essential satellite knowledge required and proceeds to explore the deeper aspects of satellite communications, including hardware, communications and error control coding. What will you learn Explain how satellite communications work. Explain how RF works Explain the architecture of satellite systems. Use spectrum analysers. Satellite communications training course details Who will benefit: Anyone working with satellite systems. Prerequisites: None. Duration 3 days Satellite communications training course contents Basic Principles of Satellite Communications GEO, MEO and LEO satellites. Launching and orbits. Frequency bands and polarisation. Satellite footprints. Multibeam coverage. Power spectra. Link budgets. Modulation and coding. Access technologies. Earth station components. Space segment components. Satellite system services. Satellite operators. Radio frequency propagation Electromagnetic waves principles and generation. Reception of the EM wave. Space wave, sky wave and surface wave theory. The isotropic radiator. Types of antennae and their basic properties. Polar diagrams. International frequency allocation. Spectrum management and utilisation. Radio wave propagation. Line of sight propagation. Propagation for satellite comms. Free space path loss. Path attenuation. Noise and Interference. Power and its measurement. Satellite antennae and other hardware Power flux density. Effective aperture. Horn antennae. Parabolic reflector. Offset feed. Cassegrain and Gregorian antennae. Antenna feed systems - Horn, TMC, OMJ and polarizer. Antenna steering and mount systems. Array antennae. LNA, LNB, LNC. Microwave tubes - TWT and Klystron. Polarizers. Earth and Space Segments and the link Earth station antennae. Transponders. Antennae sub systems. Power supplies. Link budgets. System noise. System losses. Interference. Satellite switching. Ground Communications Equipment Baseband signals. Analogue and Digital systems. Overview of modulation - AM, FM, PM. Digital Modulation. Frequency conversion -up and down conversion. Filters, mixers, local oscillators, IF amplifiers and group delay equalisers. Access methods - single and multiple access systems. Data networks. Television transmission - analogue and digital. Digital signal compression. MPEG processing. Satellite Navigation Longitude, latitude, altitude, GPS, How GPS works, timing, alternatives to GPS. Mobile satellite services Voice and Phones, BGAN, TV, GPS to program aerial, VSAT. Error Control Coding The need for coding. Linear block codes. Cyclic codes. Convolution codes. Interleaving and concatenated codes. Coding gain. Turbo codes. Test and measurement Theory and practice of Spectrum Analysers.

Securing UNIX systems training course description This course teaches you everything you need to know to build a safe Linux environment. The first section handles cryptography and authentication with certificates, openssl, mod_ssl, DNSSEC and filesystem encryption. Then Host security and hardening is covered with intrusion detection, and also user management and authentication. Filesystem Access control is then covered. Finally network security is covered with network hardening, packet filtering and VPNs. What will you learn Secure UNIX accounts. Secure UNIX file systems. Secure UNIX access through the network. Securing UNIX systems course details Who will benefit: Linux technical staff needing to secure their systems. Prerequisites: Linux system administration (LPIC-1) Duration 5 days Securing UNIX systems course contents Cryptography Certificates and Public Key Infrastructures X.509 certificates, lifecycle, fields and certificate extensions. Trust chains and PKI. openssl. Public and private keys. Certification authority. Manage server and client certificates. Revoke certificates and CAs. Encryption, signing and authentication SSL, TLS, protocol versions. Transport layer security threats, e.g. MITM. Apache HTTPD with mod_ssl for HTTPS service, including SNI and HSTS. HTTPD with mod_ssl to authenticate users using certificates. HTTPD with mod_ssl to provide OCSP stapling. Use OpenSSL for SSL/TLS client and server tests. Encrypted File Systems Block device and file system encryption. dm-crypt with LUKS to encrypt block devices. eCryptfs to encrypt file systems, including home directories and, PAM integration, plain dm-crypt and EncFS. DNS and cryptography DNSSEC and DANE. BIND as an authoritative name server serving DNSSEC secured zones. BIND as an recursive name server that performs DNSSEC validation, KSK, ZSK, Key Tag, Key generation, key storage, key management and key rollover, Maintenance and resigning of zones, Use DANE. TSIG. Host Security Host Hardening BIOS and boot loader (GRUB 2) security. Disable useless software and services, sysctl for security related kernel configuration, particularly ASLR, Exec-Shield and IP / ICMP configuration, Exec-Shield and IP / ICMP configuration, Limit resource usage. Work with chroot environments, Security advantages of virtualization. Host Intrusion Detection The Linux Audit system, chkrootkit, rkhunter, including updates, Linux Malware Detect, Automate host scans using cron, AIDE, including rule management, OpenSCAP. User Management and Authentication NSS and PAM, Enforce password policies. Lock accounts automatically after failed login attempts, SSSD, Configure NSS and PAM for use with SSSD, SSSD authentication against Active Directory, IPA, LDAP, Kerberos and local domains, Kerberos and local domains, Kerberos tickets. FreeIPA Installation and Samba Integration FreeIPA, architecture and components. Install and manage a FreeIPA server and domain, Active Directory replication and Kerberos cross-realm trusts, sudo, autofs, SSH and SELinux integration in FreeIPA. Access Control Discretionary Access Control File ownership and permissions, SUID, SGID. Access control lists, extended attributes and attribute classes. Mandatory Access Control TE, RBAC, MAC, DAC. SELinux, AppArmor and Smack. etwork File Systems NFSv4 security issues and improvements, NFSv4 server and clients, NFSv4 authentication mechanisms (LIPKEY, SPKM, Kerberos), NFSv4 pseudo file system, NFSv4 ACLs. CIFS clients, CIFS Unix Extensions, CIFS security modes (NTLM, Kerberos), mapping and handling of CIFS ACLs and SIDs in a Linux system. Network Security Network Hardening FreeRADIUS, nmap, scan methods. Wireshark, filters and statistics. Rogue router advertisements and DHCP messages. Network Intrusion Detection ntop, Cacti, bandwidth usage monitoring, Snort, rule management, OpenVAS, NASL. Packet Filtering Firewall architectures, DMZ, netfilter, iptables and ip6tables, standard modules, tests and targets. IPv4 and IPv6 packet filtering. Connection tracking, NAT. IP sets and netfilter rules, nftables and nft. ebtables. conntrackd Virtual Private Networks OpenVPN server and clients for both bridged and routed VPN networks. IPsec server and clients for routed VPN networks using IPsec-Tools / racoon. L2TP.

MEF Carrier Ethernet training course description The course progresses from a overview of the Carrier Ethernet service and how it works onto looking at the concepts in depth. Service attributes and management follow with the course finishing with studies of practical Carrier Ethernet. What will you learn Discuss and understand key Carrier Ethernet Concepts. Understand tasks related to designing, deploying and maintaining a Carrier Ethernet network. Offer effective solutions to implementing a Carrier Ethernet enterprise network given available customer resources and requirements. Carry out informed discussions using industry Carrier Ethernet 'vocabulary. Pass the MEF CECP 2.0 professional accreditation exam. MEF Carrier Ethernet training course details Who will benefit: Anyone working with Carrier Ethernet Prerequisites: The course attendees need to be conversant with data networks, as well as Ethernet and IP technologies. Duration 5 days MEF Carrier Ethernet training course contents Section One: Introduction to Carrier Ethernet Introduction to Carrier Ethernet: What is Carrier Ethernet? Evolution, advantages, The MEF, MEF specifications; UNI, EVC, OVC, EPL/EVPL, EP-LAN/ EVP-LAN, EP-Tree/EVP-Tree, etc, overview. How Carrier Ethernet Works: Service Frame Handling. Carrier Ethernet at Customer Premises, metro and core. Carrier Ethernet Workings, UNI attributes, Service Attributes (EVC and EVC per UNI attributes), Bandwidth Profiles, service multiplexing, L2 protocol processing; Carrier Ethernet equipment, CPE, aggregation and homing nodes, core equipment; management systems. The Setting Up of a Carrier Ethernet Service: Step 1: Choose service type, EPL/EVPL, EP-LAN/EVP-LAN, EPTree/EVP-Tree, EVLine...; Step 2: CPE tasks, UNI-C tasks (UNI attributes, service attributes (EVC and EVC per UNI) and bandwidth profiles), UNI-N tasks (L2 protocol handling). Step 3: Non-CPE tasks, Access, metro and core connections set up. Section Two: Carrier Ethernet Concepts in depth Carrier Ethernet Definitions in Depth: UNI, UNI I & II, UNI-N and UNI-C, etc.; NNI/ENNI; EVC; OVC, OVC type (P2P, M2M, Rooted MP), OVC end point (root, leaf, trunk), OVC end point map, OVC end point bundling; Service types in detail, EPL/EVPL, EP-LAN/EVP-LAN, EP-Tree/EVP-Tree, EVLine, Access EPL, Access EVPL . Carrier Ethernet Service Frame Handling: Unicast, multicast and broadcast frame delivery, Tagged, untagged and priority; Tagging, C and S-Tags, 802.3, 802.1d, 802.1q, 802.1ad, 802.1ah evolution, VLAN ID translation/preservation. CoS preservation. Other Key Carrier Ethernet Concepts: MTU, MTU at UNI, MTU at ENNI; Physical Layer Attributes, FE, GbE and 10GbE, Service Multiplexing and Bundling Concept and detail, rules and implications; Hairpin Switching Managing Bandwidth in a Carrier Ethernet Network: Token Bucket Algorithm, EIR, CIR, CBS, EBS, Coupling Flag; Frame Colors, recoloring, Color Awareness attribute, Color Forwarding; Bandwidth Profiles, rules and concepts. MEF CoS identifiers, DEI bit (in S-Tag), PCP bit (in C-Tag or S-Tag), or DSCP (in IP header), Multiflow bandwidth concepts; CoS Label/Color Identification. Section Three: Carrier Ethernet Service Attributes Overview: Carrier Ethernet 2.0; Blueprint C Service Attributes: Per UNI, Physical interfaces, Frame format, Ingress/egress Bandwidth Profiles, CEVLAN ID/EVC Map, UNI protection. EVC per UNI, Ingress/egress Bandwidth Profiles, etc.; Per EVC, CEVLAN ID Preservation, CoS ID Preservation, Relationship between SLA and SLP, Class of Service, etc. OVC, ENNI, OVC End Point per UNI and OVC End Point per ENNI, Ingress/egress bandwidth profiles, etc. Section Four: Managing Carrier Ethernet Networks Overview: MEF Service Lifecycle.Carrier Ethernet maintenance: Port, Link & NE failure, Service Protection Technologies, Fault Identification and Recovery, LAG, Active/Standby EVC, Single EVC with transport protection, G.8031, G.8032, MPLS FRR. SOAMs: Connectivity fault management, connectivity Monitoring, Loopback, Linktrace; Performance Management, Frame Delay, Inter Frame Delay Variation, Availability, Frame Loss Ratio, Resiliency, HLI, DMM, DMR, SLM, SLR; Key Concepts, Single vs dual ended, ordered UNI pair calculations. LOAMs: Link discovery, link monitoring, etc. Terminology and Concepts: MEG levels, MIPs. Section Five: Practical Carrier Ethernet Carrier Ethernet Transport Technologies:Layer 1: SDH. Layer 2: Bridging, provider bridging, PBB, PBBTE. Layer 2.5: MPLS VPWS, MPLS VPLS, MPLS-TP. Carrier Ethernet Access Technologies: fiber, SDH, active fiber, PON, GPON, 10G PON, OTN, WDM; copper, PDH, G-SDSL, 10Pass-TS, HFC; packet radio. Optimising mobile backhaul with Carrier Ethernet Key challenges solutions: Market pressure, LTE evolution, elements and architecture (RAN BS, NC, GWIF.), synchronization, bandwidth management. Circuit Emulation over Ethernet: Purpose, needs and applications. Synchronization: Phased, ToD, External Reference source, SynchE ,NTP, IEEE-1588 v2/ PTP, ACR; MEF Service Definitions for emulated circuits. Applying what you know: Practical examples and scenarios, Carrier Ethernet solutions; Practice Scenarios, Given a scenario, determine appropriate Ethernet services

Advanced Junos SP Routing course description This is designed to provide students with detailed coverage of OSPF, IS-IS, BGP, and routing policy. Students will gain experience in configuring, monitoring, and troubleshooting the Junos operating system and in monitoring device and protocol operations. This course uses Juniper Networks vMX Series Routers for the hands-on component, but the lab environment does not preclude the course from being applicable to other Juniper hardware platforms running the Junos OS. What will you learn Describe and configure OSPF area types and operations. Configure and monitor IS-IS. Describe basic BGP operation. Explain the causes for route instability. Describe how to troubleshoot routing policy. Explain the default behaviour of damping on links. Advanced Junos SP Routing course details Who will benefit: Network staff working with Junos at layer 3. Prerequisites: Junos Intermediate Routing Duration 5 days Advanced Junos SP Routing course contents OSPF OSPFv2 Review Link-State Advertisements Protocol Operations OSPF Authentication Lab: OSPF Multi-Area Networks Chapter 3: OSPF Areas Review of OSPF Areas Stub Area Operation and Configuration NSSA Operation and Configuration Route Summarization Lab: OSPF Route Summarization OSPF Case Studies and Solutions Virtual Links OSPF Multiarea Adjacencies External Reachability Lab: Advanced OSPF Options and Routing Policy Troubleshooting OSPF Troubleshooting OSPF Lab: OSPF Troubleshooting IS-IS Overview of IS-IS IS-IS PDUs Neighbors and Adjacencies Configuring and Monitoring IS-IS Lab: IS-IS Configuration and Monitoring Advanced IS-IS Operations and Configuration Options IS-IS Operations IS-IS Configuration Options IS-IS Routing Policy Lab: Advanced IS-IS Configuration Options and Routing Policy Multilevel IS-IS Networks Level 1 and Level 2 Operations Multilevel Configuration Lab: Configuring a Multilevel IS-IS Network Troubleshooting IS-IS Troubleshooting IS-IS Lab: IS-IS Troubleshooting BGP Review of BGP BGP Operations BGP Path Selection Options Configuration Options Lab: BGP and BGP Attributes BGP Attributes and Policy - Part1 BGP Policy Next Hop Origin and MED AS Path Lab: BGP Attributes - Next Hop, Origin, MED, and AS Path Attributes and Policy - Part2 Local Preference Communities Lab: BGP Attributes - Local Preference and Communities Route Reflection and Confederations Route Reflection Operation Configuration and Routing Knowledge BGP Confederations Lab: Scaling BGP BGP Route Damping Route Flap and Damping Overview Route Damping Parameters Configuring and Monitoring Route Damping Lab: BGP Route Damping Troubleshooting BGP Troubleshooting BGP Lab: BGP Troubleshooting Troubleshooting Policy Troubleshooting Policy Lab: Policy Troubleshooting

Network automation course description This course is not a soft skills course covering the concepts of DevOps but instead concentrates on the technical side of tools and languages for network DevOps. Particular technologies focussed on are ansible, git and Python enabling delegates to leave the course ready to starting automating their network. Hands on sessions follow all major sections. More detailed courses on individual aspects of this course are available. What will you learn Evaluate network automation tools. Automate tasks with ansible. Use git for version control. Use Python to manage network devices. Use Python libraries for network devices. Network automation course details Who will benefit: Network engineers. Prerequisites: TCP/IP foundation for engineers. Duration 5 days Network automation course contents What is DevOps Programming and automating networks, networks and clouds, AWS, OpenStack, SDN, DevOps for network operations. Initial configuration Configuring SSH, ZTP, POAP. Hands on Initial lab configuration. Getting started with ansible The language, the engine, the framework. Uses of ansible, orchestration. The architecture, Controlling machines, nodes, Agentless, SSH, modules. Configuration management, inventories, playbooks, modules, roles. Hands on Installing ansible, running ad hoc commands. Ansible playbooks ansible-playbook, YAML, plays, tasks, handlers, modules. Playbook variables. Register module, debug module. Hands on Running playbooks. Ansible Inventories /etc/ansible/hosts, hosts, groups, static inventories, dynamic inventories. Inventory variables, external variables. Limiting hosts. Hands on Static inventories, variables in inventory files. Ansible modules for networking Built in modules, custom modules, return values. Core modules for network operations. Cisco and/ or Juniper modules. ansible_connection. Ansible 2.6 CLI. Hands on Using modules. Ansible templating and roles Configuration management, full configurations, partial configurations. The template module, the assemble module, connection: local, Jinja2 templates, variables, if, for, roles. Hands on Generating multiple configurations from a template. Network programming and modules Why use Python? Why use ansible? alternatives, ansible tower, Linux network devices. Programming with Python Scripting versus application development, Python interactive mode, Python scripts, Python 2.7 vs Python 3. A simple Python script. Variables, loops, control statements, operators. PEP style guide. Python IDEs. Hands on Simple Python programs. More Python programming Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip install, Hands on Python programming with pyping. Git Distributed version control, repositories, Git and GitHub, Alternatives to GitHub, Installing git, git workflows, creating repositories, adding and editing files, branching and merging, merge conflicts. Hands on working with Git. Python and networking APIs, Sockets, Telnetlib, pysnmp, ncclient, ciscoconfparse. Paramiko SSH and Netmiko Integrating Python and network devices using SSH. Netmiko, Netmiko methods. Hands on Netmiko. PyEZ Juniper, NETCONF, installing PyEZ, a first pyEZ script, pyEZ configuration management. Hands on Juniper configuration management with pyEZ. NAPALM What is NAPALM, NAPALM operations, getters, Replace, merge, compare, commit, discard. Hands on Configuration with NAPALM. Integrating ansible and NAPALM. Python and REST REST APIs, enabling the REST API. Accessing the REST API with a browser, cURL, Python and REST, the request library. Hands on Using a REST API with network devices.

Supporting Windows 10 course description This course is designed to provide students with the knowledge and skills required to support and troubleshoot Windows 10 PCs and devices in a Windows Server domain environment. These skills include understanding of Windows 10 features, how they can be used in an Active Directory environment and how to troubleshoot them. What will you learn Troubleshoot startup issues and operating system services on a Windows 10 PC. Troubleshoot issues related to network connectivity. Troubleshoot client configuration failures and GPO application issues. Troubleshoot issues related to application installation and operation. Recover a PC running Windows 10. Supporting Windows 10 course details Who will benefit: Anyone supporting users running Windows 10 personal computers within a medium to large enterprise. Prerequisites: None. Duration 5 days Supporting Windows 10 course contents Implementing a Troubleshooting Methodology Overview of Windows 10, Introduction to the EDST Job Role, Overview of the Troubleshooting Steps & Tools. Hands on Implementing a Troubleshooting Methodology. Hands on Using Troubleshooting Tools for Windows 10. Troubleshooting Startup Issues Overview of the Windows 10 Startup Recovery Environment, Troubleshooting Startup Settings & Operating System Services Issues, Recovering BitLocker-Protected Drives. Hands on Troubleshooting Startup Issues. Hands on Recovering BitLocker-Encrypted Drives, Creating a New BitLocker Password. Troubleshooting Hardware and Device Drivers Troubleshooting Device Driver Failures & Physical Failures, Overview of Hardware Troubleshooting, Monitoring Reliability, Configuring the Registry. Hands on Troubleshooting Device Driver Issues, Resolving Hardware Issues, Adding a Missing Device Driver to a Driver Store, Reverting a Problematic Device Driver. Hands on Troubleshooting Hardware Issues, Diagnosing Memory, Troubleshooting and Repairing Failed Disk Redundancy Synchronizing Settings, Accessing Data on a Foreign Volume. Troubleshooting Remote Computers Using Remote Desktop and Remote Assistance, Remoting with Windows PowerShell Hands on Troubleshooting Remote Computer by using Remote Desktop and Remote Assistance. Hands on Troubleshooting Remote Computer by using Windows PowerShell. Resolving Network Connectivity Issues Determining Network Settings, Troubleshooting Network Connectivity Issues, Troubleshooting Name Resolution. Hands on Resolving Network Connectivity Issues. Hands onResolving Name Resolution Issues. Troubleshooting Group Policy Overview of Group Policy Application, Resolving Client Configuration Failures and GPO Application Issues. Hands on Troubleshooting Group Policy Application Issues. Hands on Resolving Group Policy Issues. Hands on Installing and Sharing a Printer. Troubleshooting User Settings Troubleshooting Sign In Issues, Troubleshooting the Application of User Settings. Hands on Troubleshooting Sign in Problems. Hands on Troubleshooting the Application of User Settings, Resolving Folder Redirection Problem, Resolving Roaming User Profile Problem. Troubleshooting Remote Connectivity Troubleshooting VPN Connectivity Issues & DirectAccess. Hands on Troubleshooting VPN Connectivity Lab : Configuring and Troubleshooting DirectAccess Configuring and Verifying, DirectAccess Client-Side Settings, Troubleshooting DirectAccess. Troubleshooting Resource Access Within a Domain & File Permissions Issues, Recovering Files Encrypted by EFS, Troubleshooting Printer Access Issues. Lab : Troubleshooting File Access Issues Lab : Troubleshooting Access to Encrypted Files. Hands on Troubleshooting Printer Access Issues Troubleshooting Resource Access for Non Domain Member Clients Configuring and Troubleshooting Device Registration, Configuring and Troubleshooting Work Folders, Configuring and Troubleshooting OneDrive Access. Hands on Troubleshooting Resource Access for Clients that are not Domain Members. Troubleshooting Device Registration, Work Folders and OneDrive for Business. Troubleshooting Applications Troubleshooting Desktop App Installation Issues, Desktop Apps, Managing Windows Store Apps, Troubleshooting Access to Company Web Applications. Hands on Troubleshooting Desktop Apps, AppLocker Policy Application & Application Compatibility issue. Hands on Troubleshooting Access to Company Web Applications, Internet Explorer Issue & Microsoft Edge. Maintaining Windows 10 Managing & Troubleshooting Windows Activation, Troubleshooting Performance, Applying Applications. Hands on Monitoring and Troubleshooting Performance. Recovering Data and Operating System File Recovery in Windows 10, Recovering an OS. Hands on Recovering Data, Recovering Data from Azure Backup, Recovering Deleted File by Using File History. Hands on Provisioning Computer to Comply with Company Standards, Provision Computer to Comply with Company Standards.

Advanced TCP/IP training course description An intensive advanced TCP/IP course focusing on the details of the protocols according to the RFCs. This course is designed to go into the technical details of the protocols and is not for those that are new to TCP/IP. A particular focus is on TCP and performance. Those more interested in routing protocols should see our Definitive IP routing for engineers course. It is expected that delegates are totally familiar with configuration addressing. Hands on sessions consist of protocol analysis using Wireshark. What will you learn Analyse packets and protocols in detail. Troubleshoot networks using Wireshark. Find performance problems using Wireshark. Perform network forensics. Advanced TCP/IP training course details Who will benefit: Advanced technical staff. Prerequisites: TCP/IP Foundation for engineers Duration 5 days Advanced TCP/IP training course contents IP Fragmentation and MTU issues, Path MTU discovery, Geolocation, unusual IP addresses, forwarding broadcasts, DiffServ, DSCP, ECN, assured and expedited forwarding. TTL usage in traceroute, Protocol field. Sanitising IP addresses in trace files. Wireshark and checksum errors. IPv6 The header. Extension headers. Traffic class and flow labels. Tunnelling. IPv6 and fragmentation. ARP Requests, responses, gratuitous ARP, Proxy ARP, ARP poisoning. ICMP ping, Round Trip Times, ICMP redirect, ICMP router advertisement and solicitation, Time Exceeded, Destination unreachable. ICMPv6: Similarity to ICMPv4, Neighbor discovery and the replacement of ARP. MLD. First hop redundancy ICMP discovery, HSRP, VRRP, GLBP. IGMP Multicast overview, multicast architecture, multicast addresses, IGMP v1, IGMPv2, IGMPv3. UDP Use in broadcasts and multicasts. Port numbers. TCP Connections, RST, FIN, sequence numbering, packet loss recovery, Fast recovery, RTO timeout, SACK, TCP flow control, receive window, congestion window, van Jacobsen, nagle, delayed ACKs, PSH, URG, TCP options, MSS, Window scaling, TCP timestamps. Congestion notification. Hands on Troubleshooting with sequence numbers, Wireshark IO and TCP graphs to analyse performance. Window size issues. DHCP DHCP header. Relationship to BOOTP. Discover, offer, request, decline, ACK, release. Lease, renewal and rebind times. Relay agents. DHCPv6 DNS Names and addresses, Resource Records, queries, responses, problems. MDNS. HTTP Requests, methods, request modifiers, response codes. HTTPS. SSL, TLS. Proxies. Hands on Redirects, recreating pages from packets. FTP Commands, responses, passive/active mode. Email SMTP, POP3, IMAP, commands responses. Voice and Video RTP, RTCP, SIP. IP PBXs. Traffic flows. Hands on Voice playback. SNMP MIBs, GET, TRAP, polling. Performance Baselining, high latency, Wireshark and timings, packet loss, redirections, small packets, congestion, name resolution. Security Network forensics, scanning and discovery, suspect traffic. IPsec, SSH.

WAN training course description A hands on Introduction to Wide Area Networks for engineers. This course covers all current major WAN technologies from a perspective of design, evaluating technologies available as well as hands on to consolidate the theory What will you learn Describe the seven-layer model and realise how it applies to the real world. Evaluate and describe WAN technologies. Describe the architecture of WANs in the core. Use WANS to interconnect LANS. WAN training course details Who will benefit: Technical staff wishing to find out more about how their WAN works. Prerequisites: Intro to data communications & networking Duration 5 days WAN training course contents Introduction LANs, MANS and WANS, protocols, the OSI seven layer model, ITU-T, ETSI, DTE, DCE, and the overall picture. WAN architectures Service providers, core, access, DTE, DCE, CPE, dialup, circuit switched, packet switched, how to choose a WAN, common bandwidths, site to site, remote access. Topologies: Star, Full mesh, partial mesh. History of WANs Before IP was ubiquitous, The PSTN, Dial up networks, modems, ISDN, Stat mux, TDM, 64k, N*64, E1, X25, Frame Relay The role of IP and routers The growth of IP, the role of routers, routing tables, routing protocols. Hands on: IP and routing. Layer 1 Physical Copper, Fibre, Wireless, Microwave, Phone lines, FTTC, FTTH, mobile networks. Service provider technologies The transport plane, SDH, SONET, DWDM. WAN access Phone lines, leased lines, xDSL, WiMax, satellite, the role of PPP. Broadband adband xDSL, ADSL, SDSL, local loops, DSLAM, DSL architecture. ATM Cell switching principles, ATM switching, Virtual paths, QOS, CBR, VBR, ABR, UBR, AAL1 to AAL5, MPOA, LANE, Voice over ATM. The Internet VPNs, IPSEC, QOS. What is MPLS? Core MPLS, MPLS and the 7 layer model, MPLS protocol, MPLS standard, MPLS runs on routers, MPLS history, Why MPLS? MPLS architecture LSRs, PE and P router roles, FEC, swapping labels, MPLS packet format, Loops, TTL control. Ethernet What is Ethernet? LANs, MANs, WANs, Ethernet and switches in the LAN. Traditional LAN/WAN integration, routers. The Ethernet interface for the WAN. Standards: Transporting carrier Ethernet.

WCNA training course description Wireshark is a free network protocol analyser. This hands-on course provides a comprehensive tour of using Wireshark to troubleshoot networks. The course concentrates on the information needed in order to pass the WCNA exam. Students will gain the most from this course only if they already have a sound knowledge of the TCP/IP protocols. What will you learn Analyse packets and protocols in detail. Troubleshoot networks using Wireshark. Find performance problems using Wireshark. Perform network forensics. WCNA training course details Who will benefit: Technical staff looking after networks. Prerequisites: TCP/IP Foundation for engineers Duration 5 days WCNA training course contents What is Wireshark? Network analysis, troubleshooting, network traffic flows. Hands on Download/install Wireshark. Wireshark introduction Capturing packets, libpcap, winpcap, airpcap. Dissectors and plugins. The menus. Right click. Hands on Using Wireshark. Capturing traffic Wireshark and switches and routers. Remote traffic capture. Hands on Capturing packets. Capture filters Applying, identifiers, qualifiers, protocols, addresses, byte values. File sets, ring buffers. Hands on Capture filters. Preferences Configuration folders. Global and personal configurations. Capture preferences, name resolution, protocol settings. Colouring traffic. Profiles. Hands on Customising Wireshark. Time Packet time, timestamps, packet arrival times, delays, traffic rates, packets sizes, overall bytes. Hands on Measuring high latency. Trace file statistics Protocols and applications, conversations, packet lengths, destinations, protocol usages, strams, flows. Hands on Wireshark statistics. Display filters Applying, clearing, expressions, right click, conversations, endpoints, protocols, combining filters, specific bytes, regex filters. Hands on Display traffic. Streams Traffic reassembly, UDP and TCP conversations, SSL. Hands on Recreating streams. Saving Filtered, marked and ranges. Hands on Export. TCP/IP Analysis The expert system. DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP. Hands on Analysing traffic. IO rates and trends Basic graphs, Advanced IO graphs. Round Trip Time, throughput rates. Hands on Graphs. Application analysis DHCP, HTTP, FTP, SMTP. Hands on Analysing application traffic. WiFi Signal strength and interference, monitor mode and promiscuous mode. Data, management and control frames. Hands on WLAN traffic. VoIP Call flows, Jitter, packet loss. RTP, SIP. Hands on Playing back calls. Performance problems Baselining. High latency, arrival times, delta times. Hands on Identifying poor performance. Network forensics Host vs network forensics, unusual traffic patterns, detecting scans and sweeps, suspect traffic. Hands on Signatures. Command line tools Tshark, capinfos, editcap, mergecap, text2pcap, dumpcap. Hands on Command tools.