DNS training course description This three-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course starts with the big picture of how DNS works, then client configuration. Primary and secondary servers are then configured, progressing to DDNS, subdomains and security issues. Hands on sessions follow all sections ensuring that troubleshooting techniques are used throughout the course. Students choose whether to use Windows or UNIX for the hands on sessions. What will you learn Describe the architecture of DNS. Explain how DNS works. Install, configure, maintain and troubleshoot DNS DNS training course details Who will benefit: Technical staff wanting to learn DNS including: Network personnel System administrators. Prerequisites: UNIX Fundamentals (or Windows knowledge). TCP/IP foundation for engineers. Duration 3 days DNS training course contents What is DNS? Hostnames, Name resolution, host files, host file problems, What is DNS? The DNS namespace, TLDs, gTLDs, registering domains, Nameservers, how DNS works. Hands on Testing DNS servers on the Internet. DNS clients Ways to use DNS, dynamic and static configuration, multiple nameservers, domain name, searchlist, resolution issues, testing the configuration. Hands on Client configuration. DNS server software Implementations, Microsoft, BIND, daemons and services, installation, starting and stopping servers. Hands on Setting up a DNS server. DNS zone files What is a zone, Zone file overview, Forward zones, Reverse zones, Resource records, A records, PTR, CNAME, Root hints, local zone file. BIND and Microsoft configuration. Hands on Server configuration files. NS and applications MX records, Mail server load balancing, SPF, SRV records, VoIP and SRV, Microsoft and SRV, NAPTR. Hands on Testing records with dig and nslookup. DNS slaves and other servers DNS server types, Server resilience, Slaves, Zone transfers, SOA records, Serial numbers, recommendations, polling based zone transfers, NOTIFY, AD integration, DNS caching, Negative caching, TTL, Caching only servers. Hands on Masters, slaves and zone transfers. The DNS protocol The DNS stack, DNS port numbers, DNS queries, The DNS header, header section format, question format, other section format. Hands on Troubleshooting DNS with Wireshark. Dynamic DNS DHCP, DDNS, IXFR, WINS integration. Hands on Dynamic DNS. Subdomains Root servers, root server selection, Authority, delegation, NS records, subdomain with and without delegation, reverse delegation. Hands on Delegation, setting up a subdomain server. DNS security Restricting queries, DNS and firewalls, Split DNS, forwarders, internal root servers, the use of proxy servers, DNSSEC, TSIG. Hands on Hardening a DNS server. DNS and IPv6 What is IPv6, IPv6 addressing, IPv6 DNS issues, AAAA, IPv6 reverse delegation. Troubleshooting DNS Problem solving, DNS troubleshooting, Zone file checking, Some common errors, Log files, tools, nslookup, dig, host, DNS design, performance, load balancing. Hands on Putting it all together. Summary Useful books, Internet sites, RFCs. Appendix: ENUM What is ENUM, How ENUM works, NAPTR.
MySQL Performance & Tuning training course description This MySQL Performance & Tuning course is designed for Database Administrators, Application Developers and Technical Consultants who need to monitor and tune the performance of MySQL servers and databases. The course provides practical experience in monitoring and tuning MySQL servers and databases. Note: This MySQL Performance & Tuning course does not cover clustering (other than at overview level), replication or non-standard storage engines such as Falcon and PBXT. What will you learn Develop a monitoring and tuning plan Use server configuration and status variables. Identify and improve problem queries. Make efficient use of indexes. Monitor and size memory caches and locks. Tune the MyISAM and InnoDB storage engine. Evaluate the use of partitioning for performance. MySQL Performance & Tuning training course details Who will benefit: Anyone who wishes to monitor and tune MySQL performance. Prerequisites: Delegates must have a working knowledge of MySQL Database Administration Duration 3 days MySQL Performance & Tuning training course contents Introduction to performance tuning Tuning overview, Resolving performance issues, Recommended approach to tuning, Items to evaluate, Where to look, Planning a monitoring routine, Building a new database for performance, Tuning an existing database, Setting suitable goals. MySQL performance tuning tools Administration tools, the information schema, performance-related SHOW commands, benchmarking tools, the MySQL performance schema, MonYog. Hands on Obtaining performance information. Schema design Normalisation, de-normalisation, naming conventions, load generation, stress testing and benchmarking tools, selecting data types, data types, character sets, choosing storage engines. Hands on effects of design on performance. Statement tuning Overview of statement tuning, identifying problem queries, the optimizer, explain, explain extended. Hands on identifying problem queries and using explain. Indexes Index overview, Types of index, Index tuning, Indexes and joins. Hands on Indexes and performance. Server configuration and monitoring Server configuration variables, server status variables, table cache, multi-threading, connection issues, query cache. Hands on setting and interpreting server variables and caching. Locking Types of locking, locking and storage engines, effects of locking on performance. Hands on locking and performance. The InnoDB engine Transactions, crash recovery, locking, monitoring InnoDB, caches and buffers, configuring data files, configuring the log files. Hands on InnoDB configuration and performance. Other storage engines MyISAM engine, merge engine, archive engine, memory engine, blackhole engine, CSV engine, the Spider engine, the ColumnStore engine, the MyRocks engine, mixing sorage engines. Hands on storage engine performance. Overview of clustering and performance Advantages of performance, advantages of clustering, performance issues and clustering, the NDBCluster engine, the Galera cluster, the Percona XtraDB cluster, MySQL InnoDB cluster, the federated engine, the federatedX engine, overview of other high availability techniques. NOSQL and Mencached overview. Dumping and loading data SQL statements versus delimited data, parameters affecting dump performance, parameters affecting load performance. Hands on dump and load performance. Partitioned tables Partitioned tables concepts, range partitioning, hash partitioning, key partitioning, list partitioning, composite partitioning or subpartitioning, partition pruning. Hands on partitioned table performance.
OpenView training course description A hands-on course focusing on network management using HP OpenView network node manager on Microsoft Windows or UNIX. What will you learn Recognise the benefits of ADSL. Describe the network management architecture. Use HP OpenView. Diagnose faults using HP OpenView. Recognise the MIB structure. OpenView training course details Who will benefit: Technical staff wanting to learn DNS. Prerequisites: TCP/IP Foundation Duration 2 days OpenView training course contents Network management What is network management?, Benefits, issues, demonstration. Getting started with HP OpenView Starting HP OpenView, IP discovery, IP monitoring, controlling IP discovery. Using HP OpenView Mapping devices, map layouts, maps and submaps, objects and symbols, object attributes, colour codings, polling. Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Parts of SNMP SNMP architecture, MIB's, The protocol. HP OpenView SNMP configuration HP OpenView alarm browser HP OpenView alarms, alarm categories, filtering alarms, alarm details window. MIB's MIB1, MIB2, The MIB2 groups, additional MIB's, MIB compilers, vendor MIB's. HP OpenView MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route HP OpenView fault management Alarms, polling, fault management, setting thresholds and configuring traps.
NNMi for engineers training course description A hands on course focusing on network management using Network Node Manager (NNMi) on Microsoft Windows or UNIX. What will you learn Describe the network management architecture. Use NNMi. Diagnose faults using NNMi. Recognise the MIB structure. NNMi for engineers training course details Who will benefit: Network administrators. Network operators. Those wishing to find out more about how their NNMi works. Prerequisites: TCP/IP foundation for engineers Duration 2 day NNMi for engineers training course content Network management What is network management? Benefits, issues, demonstration. Getting started with NNMi Starting NNMi, IP discovery, IP monitoring, controlling IP discovery. Using NNMi Mapping devices, map layouts, maps and submaps, objects and symbols, object attributes, colour codings, polling. Agents Configuring Cisco devices for SNMP support, communities, traps, syslog. Parts of SNMP SNMP architecture, MIBs, The protocol. NNMi SNMP configuration NNMi alarm browser NNMi alarms, alarm categories, filtering alarms, alarm details window. MIBs MIB1, MIB2, The MIB2 groups, additional MIBs, MIB compilers, vendor MIBs. NNMi MIB loader and browser. Monitoring devices Polling, obtaining MIB information. Diagnostic tools Poll node, the ping window, protocol test, locate route NNMi fault management Alarms, polling, fault management, setting thresholds and configuring traps.
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.
Samba training course description Samba enables UNIX/Linux machines to act as Microsoft File and Print servers. This two day hands on training course progresses from the basics of installing samba and simple configurations through to authentication issues and troubleshooting. What will you learn Install and configure Samba. Administrate file and printer sharing. Secure Samba servers. Troubleshoot Samba Samba training course details Who will benefit: Technical staff working with Samba. Prerequisites: Intro to UNIX Systems Administration TCP/IP Foundation. Duration 2 days Samba training course contents What is Samba? File and print servers, Samba server roles, Windows networking, NetBIOS, SMB. Hands on Microsoft File and Print shares, analysing the network traffic. Installing Samba Source, binaries, where to find samba, building and compiling Samba. Hands on Download and install Samba. Controlling Samba Samba daemons, starting and stopping Samba, smbcontrol, Samba net command, smb.conf. Viewing Samba status, smbclient. Hands on Starting and stopping Samba, testing the server. Samba configuration Simple shares, smb.conf variables, configuration from a web browser, swat, enabling access to swat. Hands on Configuring samba servers and clients. File sharing Basic shares, [homes], locking options, UNIX file permissions, controlling user access, Windows ACLs, virtual samba servers, browsing. Hands on File sharing and browsing. Print sharing Sharing printers, UNIX printing, CUPS, printer drivers, [printers], PRINT$. Hands on Samba print server. Authentication Workgroups, domains, users and passwords, Samba domain security, Samba password backends: smbpasswd, tdbsam, nisplus, mysql, Active Directory. Hands on Securing samba shares. Troubleshooting Logging options, controlling logs, Samba utilities, network protocols, .SMB/CIFS. Performance tuning. Hands on Troubleshooting Samba
Advanced Asterisk training course description This 2 day hands-on Asterisk training course covers advanced Asterisk configuration including fault tolerant clusters, upgrading and patching Asterisk servers, firewall and NAT transversal, using databases to store Asterisk data. Practical sessions follow each major section to reinforce the theory. What will you learn Configure advanced Asterisk features. Utilise databases from Asterisk Integrate Asterisk with SIP servers. Build High Availability Asterisk clusters. Maintain and secure Asterisk servers. Advanced Asterisk training course details Who will benefit: Technical staff working with or evaluating Asterisk. Prerequisites: Definitive Asterisk for engineers Duration 2 days Advanced Asterisk training course contents Best Practice Review of basics, Channel best practice, dial plan best practise. Call Centre Features GUI, Asterisk Manager Interface, billing, CDR, advanced IVR, ACD, Vici Dial. Hands on Install Vici-Dial Asterisk and Databases MySQL, LDAP, ODBC, dial plan from a Database, storing CDR in a Database, Hands on Dial plan in MySQL, CDR in MySQL. TDM over Ethernet What is TDMoE, Asterisk to Asterisk TDMoE, Phone Bridge. Hands on * 2 * via TDMoE. High Availability Asterisk HA Linux - Virtual Servers, Fail-over steps, setting up HA Linux, configuring Asterisk for fail-over on HA Linux, Hands on Configure Asterisk HA. Advanced Dial plans Asterisk Gateway Interface, AGI IVR applications, Multiple switches sharing Dial plans, ENUM, DUNDI. Hands on Configure DUNDI. Integration Legacy PBX, SIP Proxys, OpenSER. Hands on Configure SER to work with Asterisk. Asterisk Maintenance Asterisk upgrades, implementing patches, advanced debugging, Security Firewalls, NAT, Asterisk security issues. Hands on Configure Asterisk to work through a Firewall and NAT.
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.
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HSPA and HSPA+ training course description HSDPA (High Speed Downlink Packet Access) and HSUPA (High Speed Uplink Packet Access) provide speeds of upto 14Mbps downlink and 5Mbps uplink. This theory-based course provides an overview of the 3GPP R5 and R6 HSDPA/HSUPA standards and the technologies which are involved. The HSPA+ R7 enhancements are also covered. What will you learn Explain the relationship between HSPA and UMTS. Describe the benefits of HSPA/HSPA+ Explain the HSPA/HSPA+ technical enhancements. Explain packet flows in HSPA/HSPA+. Recognise the migration issues involved with HSPA/HSPA+ HSPA and HSPA+ training course details Who will benefit: Anyone working with HSPA. Prerequisites: Essential UMTS Duration 2 days HSPA and HSPA+ training course contents UMTS review UMTS architecture, components, interfaces, protocols, W-CDMA, standards, 3GPPr5, 3GPPr6, evolution to HSDPA and HSPA. HSPA basics What is HSDPA, what is HSUPA, key features, system capacities, data rates, delays. Key concepts: Adaptive modulation and coding (AMC), QPSK, 16QAM, HARQ, MAC-hs, multiplexing, subframes. HSPA channels Logical, transport, physical channels, dedicated vs. shared channels, HS-PDSCH, HS-SCCH, HS-DPCCH, code multiplexing, E-DCH, Enhanced DPCCH. MAC-architecture Controlling HS-DSCH, flow control, buffering, priority queues, packet scheduling, fast packet scheduling, Selecting modulation and coding. HARQ: Packet retransmissions, Incremental redundancy, comparison with ARQ, TFRC. MAC-d, MAC-c/sh, MAC-hs, MAC-es, MAC-e. HSPA migration HSDPA in the Radio Access Network (RAN), reuse of existing UMTS components, changes required, Impact on Iub/Iur interfaces, new and modified NBAP procedures, backwards compatibility. Packet flows Packet data session setup, simultaneous voice and data, QoS, TCP flow control, WCDMA packet scheduler, mobility procedures. HSPA phase 2 (3GPP r6) What is evolved HSPA? Speeds. Multiple Input Multiple Output (MIMO). Optional all IP architecture. R8 and LTE.